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142-82-5

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142-82-5 Usage

General Description

N-Heptane, also known as Heptane, is a colorless liquid hydrocarbon classified under the family of alkanes. It holds the chemical formula C7H16 and the CAS number 142-82-5. Often used as a laboratory solvent, it's primarily used in industry as a minor component of gasoline. N-Heptane is typically used as a standard to measure the combustion quality of gasoline in determining its octane rating. It can also be used in the production of rubber and in laboratories for testing, research, and development due to its non-polar properties. It's highly flammable, and precautions should be taken in its handling to prevent fires and explosions. N-Heptane should also be handled with personal protective equipment as it can cause skin irritation and eye damage and may be harmful or fatal if swallowed and enters airways.

Check Digit Verification of cas no

The CAS Registry Mumber 142-82-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,4 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142-82:
(5*1)+(4*4)+(3*2)+(2*8)+(1*2)=45
45 % 10 = 5
So 142-82-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3

142-82-5 Well-known Company Product Price

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  • Alfa Aesar

  • (H33987)  n-Heptane, 95%   

  • 142-82-5

  • 1000ml

  • 212.0CNY

  • Detail
  • Alfa Aesar

  • (H33987)  n-Heptane, 95%   

  • 142-82-5

  • 2500ml

  • 447.0CNY

  • Detail
  • Alfa Aesar

  • (44457)  n-Heptane, anhydrous, 99+%, packaged under Argon in resealable ChemSeal? bottles   

  • 142-82-5

  • 100ml

  • 199.0CNY

  • Detail
  • Alfa Aesar

  • (44457)  n-Heptane, anhydrous, 99+%, packaged under Argon in resealable ChemSeal? bottles   

  • 142-82-5

  • 1L

  • 806.0CNY

  • Detail
  • Alfa Aesar

  • (47191)  n-Heptane, anhydrous, over molecular sieves, packaged under Argon in resealable ChemSeal? bottles   

  • 142-82-5

  • 250ml

  • 483.0CNY

  • Detail
  • Alfa Aesar

  • (47191)  n-Heptane, anhydrous, over molecular sieves, packaged under Argon in resealable ChemSeal? bottles   

  • 142-82-5

  • 1L

  • 937.0CNY

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  • Alfa Aesar

  • (40978)  n-Heptane, Environmental Grade, 96+%   

  • 142-82-5

  • 1L

  • 254.0CNY

  • Detail
  • Alfa Aesar

  • (40978)  n-Heptane, Environmental Grade, 96+%   

  • 142-82-5

  • *4x1L

  • 971.0CNY

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  • Alfa Aesar

  • (40978)  n-Heptane, Environmental Grade, 96+%   

  • 142-82-5

  • 4L

  • 1038.0CNY

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  • Alfa Aesar

  • (22911)  n-Heptane, HPLC grade, 99+%   

  • 142-82-5

  • 250ml

  • 351.0CNY

  • Detail
  • Alfa Aesar

  • (22911)  n-Heptane, HPLC grade, 99+%   

  • 142-82-5

  • 1L

  • 553.0CNY

  • Detail
  • Alfa Aesar

  • (22911)  n-Heptane, HPLC grade, 99+%   

  • 142-82-5

  • 4L

  • 1248.0CNY

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142-82-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name heptane

1.2 Other means of identification

Product number -
Other names 1-HEPTANE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food Additives: EXTRACTION_SOLVENT
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:142-82-5 SDS

142-82-5Synthetic route

1-Iodoheptane
4282-40-0

1-Iodoheptane

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethylene glycol dimethyl ether at 0℃; for 1h; Product distribution; other solvent;100%
With ethanol; coppered zinc
Octanoic acid
124-07-2

Octanoic acid

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With palladium on silica gel; hydrogen at 300℃; under 760.051 Torr; for 4h; Temperature; Flow reactor;100%
With hydrogen; silica gel; palladium at 330℃; Ni/Al2O3, 180 deg C;97%
With Au0012O19676(00)Pd042(98)Si038; hydrogen at 260℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst;
1,2,6-heptatriene
3642-12-4

1,2,6-heptatriene

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In 2,2,4-trimethylpentane Thermodynamic data; ΔHH;100%
1-Iodoheptane
4282-40-0

1-Iodoheptane

trimethylstannane
1631-73-8

trimethylstannane

lithium diisopropyl amide
4111-54-0

lithium diisopropyl amide

A

n-heptane
142-82-5

n-heptane

B

hexamethyldistannane
661-69-8

hexamethyldistannane

C

diisopropyl(trimethylstannyl)amine
1068-71-9

diisopropyl(trimethylstannyl)amine

Conditions
ConditionsYield
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (1.0 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC;A 99%
B 0%
C n/a
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.8 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC;A 98%
B 0%
C n/a
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.6 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC;A 94%
B 0%
C n/a
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.4 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC;A 84%
B 0%
C n/a
In hexane; cyclohexane to soln. of 1-iodoheptane (1.0 mmol) and TMTH (1.0 mmol) in hexane at 0°C added LDA (0.2 mmol, 1.6 M soln. in cyclohexane) under Ar, react. time 10 min; analyzed by GLPC;A 74%
B 0%
C n/a
1-Bromoheptane
629-04-9

1-Bromoheptane

trimethylstannane
1631-73-8

trimethylstannane

A

n-heptane
142-82-5

n-heptane

B

n-butyltrimethyltin
1527-99-7

n-butyltrimethyltin

Conditions
ConditionsYield
With n-butyllithium In hexane n-BuLi (1.50 mmol, 2.40 M soln. in hexane) added to soln. of TMTH (1.50 mmol) in hexane under Ar, stirred for 3 h at room temp., 1-bromoheptane (1.50 mmol) added, heated to reflux for 2 h; analyzed by GC;A 7%
B 99%
With n-butyllithium In hexane 1-bromoheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 5 min, quenched with water; analyzed by GC;A 98%
B 93%
With n-butyllithium In hexane to 1-bromoheptane (2.20 mmol) and TMTH (2.20 mmol) in hexane at 0°C under Ar added n-BuLi (2.20 mmol, in hexane) in four 0.55-mmol increments, stirred for 5 min; various product ratio (yields) for various amounts of n-BuLi increments added; analyzed by GC;
1-Heptyne
628-71-7

1-Heptyne

A

1-Heptene
592-76-7

1-Heptene

B

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With quinoline; oct-1-ene; hydrogen; Lindlar's catalystA 98.3%
B 1.7%
With hydrogen; silica gel; rhodium(1+) In ethanol; toluene at 40℃; under 1320.1 Torr; Product distribution;A 32%
B 1%
With hydrogen; copper at 200℃;
1-Iodoheptane
4282-40-0

1-Iodoheptane

trimethylstannane
1631-73-8

trimethylstannane

A

n-heptane
142-82-5

n-heptane

B

n-butyltrimethyltin
1527-99-7

n-butyltrimethyltin

Conditions
ConditionsYield
With n-butyllithium In hexane 1-iodoheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 15 min, quenched with water; analyzed by GC;A 92%
B 98%
heptan-3-one
106-35-4

heptan-3-one

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; K-10 montmorillonite; platinum In diethylene glycol dimethyl ether under 37503 Torr; for 16h; Reduction;97%
tricyclohexyltin hydride
6056-50-4

tricyclohexyltin hydride

1-Bromoheptane
629-04-9

1-Bromoheptane

A

(cyclo-C6H11)3SnC4H9
7067-44-9

(cyclo-C6H11)3SnC4H9

B

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With n-butyllithium In hexane 1-bromoheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 15 min, quenched with water; analyzed by GC;A n/a
B 97%
n-pentyl methyl ketone
110-43-0

n-pentyl methyl ketone

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; K-10 montmorillonite; platinum In diethylene glycol dimethyl ether under 37503 Torr; for 24h; Reduction;96%
2-bromoheptane
1974-04-5

2-bromoheptane

trimethylstannane
1631-73-8

trimethylstannane

A

n-heptane
142-82-5

n-heptane

B

n-butyltrimethyltin
1527-99-7

n-butyltrimethyltin

Conditions
ConditionsYield
With n-butyllithium In hexane 2-bromoheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 5 min, quenched with water; analyzed by GC;A 96%
B 93%
1-Chloroheptane
629-06-1

1-Chloroheptane

trimethylstannane
1631-73-8

trimethylstannane

A

n-heptane
142-82-5

n-heptane

B

n-butyltrimethyltin
1527-99-7

n-butyltrimethyltin

Conditions
ConditionsYield
With n-butyllithium In hexane 1-chloroheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 4 h, quenched with water; analyzed by GC;A 6%
B 93%
With n-butyllithium In hexane 1-chloroheptane (1 equiv.) and TMTH (1 equiv.) in hexane cooled to 0°C under Ar, n-BuLi (1 equiv., 2.40 M in hexane) added, stirred for 15 min, quenched with water; analyzed by GC;A 0%
B 36%
n-heptan1ol
111-70-6

n-heptan1ol

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; AIOTfbpy-Pd In 1,2-dichloro-ethane at 200℃; under 37503.8 Torr; for 24h; Glovebox; Inert atmosphere;92%
With hydrogen; Al(OH)(2,2'-bipyridine-5,5'-dicarboxylic acid)0.81(PdCl2)0.48(OTf)0.38 In 1,2-dichloro-ethane at 200℃; under 15001.5 Torr; for 24h; Autoclave;78%
1-Heptyne
628-71-7

1-Heptyne

A

1-Heptene
592-76-7

1-Heptene

B

hept-3-ene
592-78-9

hept-3-ene

C

hept-2-ene
592-77-8

hept-2-ene

D

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; palladium dichloride In N,N-dimethyl-formamide under 18751.5 Torr; for 0.416667h; Product distribution; Ambient temperature; various time;A 89%
B 1.8%
C 2.9%
D 6.3%
4-heptanone
123-19-3

4-heptanone

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen; aluminum oxide; nickel at 190℃;88%
With molybdenum trisulfide at 300℃; under 73550.8 - 110326 Torr; Hydrogenation;
With cobalt(II) oxide; molybdenum trisulfide; decalin at 345℃; under 72079.8 Torr; Hydrogenation;
With hydrogenchloride; amalgamated zinc
Octanoic acid
124-07-2

Octanoic acid

A

octane
111-65-9

octane

B

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen In water at 240℃; under 22502.3 Torr; for 12h; Catalytic behavior; Temperature; Reagent/catalyst; Autoclave;A 5.9%
B 87.4%
With hydrogen In dodecane at 350℃; under 30003 Torr; for 8h; Autoclave; chemoselective reaction;A 83.2 %Chromat.
B 9.1 %Chromat.
(Z)-hept-2-ene
6443-92-1

(Z)-hept-2-ene

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen In ethanol at 100℃; under 30003 Torr; Flow reactor; Green chemistry; chemoselective reaction;87%
1-Chloroheptane
629-06-1

1-Chloroheptane

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With water; sodium iodide; nickel dichloride; zinc; sonication In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 1h; Product distribution;85%
With water; sodium iodide; nickel dichloride; zinc; sonication In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 1h;85%
1-Bromoheptane
629-04-9

1-Bromoheptane

triethylcarbinyl bromide
73908-04-0

triethylcarbinyl bromide

trimethylstannane
1631-73-8

trimethylstannane

A

3-ethylpentane
617-78-7

3-ethylpentane

B

n-heptane
142-82-5

n-heptane

C

3-ethyl-2-pentene
816-79-5

3-ethyl-2-pentene

Conditions
ConditionsYield
With n-butyllithium In hexane n-BuLi (0.81 mmol, 0.70 M soln. in hexane) added to mixt. of 1-bromoheptane (0.81 mmol), 3-bromo-3-ethylpentane(0.81 mmol), and TMTH (0.81 mmol) in hexane under Ar, after 15 min of stirring at 0°C quenched with water; analyzed by GC;A 84%
B 5%
C 11%
(E)-hept-2-ene
14686-13-6

(E)-hept-2-ene

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With hydrogen In ethanol at 100℃; under 30003 Torr; Flow reactor; Green chemistry; chemoselective reaction;83%
With sodium tetrahydroborate; Octanoic acid; boron trifluoride diethyl etherate 1.) triglyme, 1 h, RT; 2.) triglyme, 210 deg C 1 h; Yield given. Multistep reaction;
2-hexyl-1,3-dithiolane
6008-84-0

2-hexyl-1,3-dithiolane

tri-n-butyl-tin hydride
688-73-3

tri-n-butyl-tin hydride

A

ethane
74-84-0

ethane

B

n-heptane
142-82-5

n-heptane

C

bis(tributyltin)sulfide
4808-30-4

bis(tributyltin)sulfide

Conditions
ConditionsYield
2,2'-azobis(isobutyronitrile) In neat (no solvent) at 80℃; for 1.5h; Product distribution;A n/a
B 80%
C n/a
Na(1+)*Ga(CH2CH2(CH2)4CH3)4(1-)=NaGa((CH2)6CH3)4

Na(1+)*Ga(CH2CH2(CH2)4CH3)4(1-)=NaGa((CH2)6CH3)4

A

sodium gallate

sodium gallate

B

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With water In hydrogenchloride hydrolyzed with 10% HCl;;A n/a
B 80%
2,3-Dichloro-1,4-naphthoquinone
117-80-6

2,3-Dichloro-1,4-naphthoquinone

2-hydroxy-2'-nitro-4'-trifluoromethyl-3-α-cumyl-5-tert-octylazobenzene
286471-09-8

2-hydroxy-2'-nitro-4'-trifluoromethyl-3-α-cumyl-5-tert-octylazobenzene

A

2-cumyl(1,1,3,3-tetramethyl-butyl)-6-[(5'-trifluoromethyl)-4,5-benzo-1,2,3-triazol-2-yl]-phenol

2-cumyl(1,1,3,3-tetramethyl-butyl)-6-[(5'-trifluoromethyl)-4,5-benzo-1,2,3-triazol-2-yl]-phenol

B

n-heptane
142-82-5

n-heptane

Conditions
ConditionsYield
With sodium hydroxide In butanol, 2-; butanone Heating / reflux;A 79.1%
B n/a
Octanoic acid
124-07-2

Octanoic acid

A

1-Heptene
592-76-7

1-Heptene

B

n-heptane
142-82-5

n-heptane

C

Octanal
124-13-0

Octanal

Conditions
ConditionsYield
With palladium on silica gel; hydrogen at 245℃; under 760.051 Torr; for 4h; Temperature; Flow reactor;A 12%
B 70%
C 18%
1-Chloroheptane
629-06-1

1-Chloroheptane

trimethylstannane
1631-73-8

trimethylstannane

lithium diisopropyl amide
4111-54-0

lithium diisopropyl amide

A

n-heptane
142-82-5

n-heptane

B

hexamethyldistannane
661-69-8

hexamethyldistannane

C

trimethyl(n-heptyl)tin
59344-40-0

trimethyl(n-heptyl)tin

Conditions
ConditionsYield
In diethyl ether; cyclohexane 1-chloroheptane (1 equiv.) and TMTH (2 equiv.) in Et2O cooled to 0°C under Ar, LDA (1 equiv., 1.6 M soln. in cyclohexane) dropped in, stirred for 20-25 min at room temp., quenched with water; analyzed by GC;A 2%
B 68%
C 27%
In hexane; cyclohexane 1-chloroheptane (1 equiv.) and TMTH (2 equiv.) in hexane cooled to 0°C under Ar, LDA (1 equiv., 1.6 M soln. in cyclohexane) dropped in, stirred for 20-25 min at room temp., quenched with water; analyzed by GC;A 9%
B 65%
C 32%
In hexane; cyclohexane 1-chloroheptane (5 equiv.) and TMTH (2 equiv.) in hexane cooled to 0°C under Ar, LDA (1 equiv., 1.6 M soln. in cyclohexane) dropped in, stirred for 20-25 min at room temp., quenched with water; analyzed by GC;A 8%
B 34%
C 63%
In diethyl ether; cyclohexane 1-chloroheptane (5 equiv.) and TMTH (2 equiv.) in Et2O cooled to 0°C under Ar, LDA (1 equiv., 1.6 M soln. in cyclohexane) dropped in, stirred for 20-25 min at room temp., quenched with water; analyzed by GC;A 2%
B 42%
C 56%
chloroform
67-66-3

chloroform

n-hexylmagnesium chloride
44767-62-6

n-hexylmagnesium chloride

A

n-heptane
142-82-5

n-heptane

B

Tridecane
629-50-5

Tridecane

C

7-hexyltridecane
7225-66-3

7-hexyltridecane

Conditions
ConditionsYield
With C31H37ClN3NiO2(1-)*Li(1+) In tetrahydrofuran at 25℃; for 0.333333h; Inert atmosphere;A 9.3%
B 65.2%
C 21.4%
With C31H37ClFeN3O2 In tetrahydrofuran at 25℃; for 0.0833333h; Inert atmosphere;
n-heptane
142-82-5

n-heptane

1-(3-(tert-butyl)-4-hydroxyphenyl)ethan-1-one
16928-01-1

1-(3-(tert-butyl)-4-hydroxyphenyl)ethan-1-one

1-(5-bromo-3-tert-butyl-4-hydroxyphenyl)ethanone
153356-10-6

1-(5-bromo-3-tert-butyl-4-hydroxyphenyl)ethanone

Conditions
ConditionsYield
With N-Bromosuccinimide; sodium thiosulfate In water; acetonitrile99.1%
[(ethyl acetate)3Mn6(O)2Piv10(2,4,4,5,5-pentamethyl-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl)Mn6(O)2Piv10(ethyl acetate)3]

[(ethyl acetate)3Mn6(O)2Piv10(2,4,4,5,5-pentamethyl-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl)Mn6(O)2Piv10(ethyl acetate)3]

n-heptane
142-82-5

n-heptane

4,4,5,5-tetramethylimidazoline-1-oxyl-2-p-pyridyl-3-oxide
38987-16-5

4,4,5,5-tetramethylimidazoline-1-oxyl-2-p-pyridyl-3-oxide

[Mn6(O)2Piv10(4,4,5,5-tetramethyl-2-(pyridine-4'-yl)-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl)4]*0.5C7H16

[Mn6(O)2Piv10(4,4,5,5-tetramethyl-2-(pyridine-4'-yl)-4,5-dihydro-1H-imidazolyl-3-oxide-1-oxyl)4]*0.5C7H16

Conditions
ConditionsYield
With heptane In dichloromethane Mn-compound dissolved under stirring in CH2Cl2; carefully dropped through a glass filter into a soln. of imidazole ligand in CH2Cl2; heptane added without stirring; stored at room temp. for a few days; filtered off; washed with cold heptane; dried in air; elem. anal.;95%
n-heptane
142-82-5

n-heptane

(μ-aqua)tetrakis(pivalato)tetrakis(pivalic acid)dicobalt

(μ-aqua)tetrakis(pivalato)tetrakis(pivalic acid)dicobalt

2-(2-hydroxy-3-methoxy-5-nitrophenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl

2-(2-hydroxy-3-methoxy-5-nitrophenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-oxyl

C58H94Co3N6O24*C7H16

C58H94Co3N6O24*C7H16

Conditions
ConditionsYield
In acetone at 20℃; for 48h;90%
tetrakis(acetonitrile)copper(I) tetrakis(pentafluorophenyl)borate
425370-02-1

tetrakis(acetonitrile)copper(I) tetrakis(pentafluorophenyl)borate

n-heptane
142-82-5

n-heptane

2-(1H-imidazol-4-yl)-N,N-bis((pyridin-2-yl)methyl)ethanamine
1198105-19-9

2-(1H-imidazol-4-yl)-N,N-bis((pyridin-2-yl)methyl)ethanamine

[(2-(1H-imidazol-4-yl)-N,N-bis((pyridin-2-yl)methyl)ethanamine)Cu]B(C6F5)4*0.33(heptane)

[(2-(1H-imidazol-4-yl)-N,N-bis((pyridin-2-yl)methyl)ethanamine)Cu]B(C6F5)4*0.33(heptane)

Conditions
ConditionsYield
In tetrahydrofuran (inert atm.), Schlenk techniques; dissolving C17H19N5 and copper complexin C4H8O, stirring for 1 h at room temp.; filtration, pptn. by addn. of heptane, decantation, washing with heptane, drying under vacuum;88%
copper(II) hexafluoro-2,4-pentanedionate

copper(II) hexafluoro-2,4-pentanedionate

n-heptane
142-82-5

n-heptane

1-methyl-4-(4,4,5,5-tetramethyl-3-oxide-1-oxyl-4,5-dihydro-1-H-imidazol-2-yl)-1H-pyrazole

1-methyl-4-(4,4,5,5-tetramethyl-3-oxide-1-oxyl-4,5-dihydro-1-H-imidazol-2-yl)-1H-pyrazole

[Cu(hexafluoroacetylacetonate)2]3(4,4,5,5-tetramethyl-2-(1-methyl-1H-pyrazol-4-yl)-imidazoline-3-oxide-1-oxyl)2*heptane

[Cu(hexafluoroacetylacetonate)2]3(4,4,5,5-tetramethyl-2-(1-methyl-1H-pyrazol-4-yl)-imidazoline-3-oxide-1-oxyl)2*heptane

Conditions
ConditionsYield
In n-heptane dissolving ligand and 1.5 equiv. of Cu complex in heptane with heating to 50°C; filtration, slow cooling to room temp., filtration, washing the crystalswith cold heptane, drying in air; elem. anal.;87%
n-heptane
142-82-5

n-heptane

[(η5-pentamethylcyclopentadienyl)(NO)(neopentyl)(η3-CH2CHCHPh)]

[(η5-pentamethylcyclopentadienyl)(NO)(neopentyl)(η3-CH2CHCHPh)]

[(η5-pentamethylcyclopentadienyl)(NO)(n-heptyl)(η3-CH2CHCHPh)]

[(η5-pentamethylcyclopentadienyl)(NO)(n-heptyl)(η3-CH2CHCHPh)]

Conditions
ConditionsYield
In n-heptane byproducts: CMe4; (N2); using Schlenk techniques; stirring of mixt. of W(C5Me5)(CH2CMe3)(NO)(CH2CHCHPh) and n-heptane at 55°C for 3 ds; removal of solvent under reduced pressure, dissolving in pentane, transferring to the top of alumina column, deluting with 2:1 mixt. of pentane and Et2O, removal of solvents under vac., crystn. from pentane at -30°C overnight;87%
1,1-Diphenylmethanol
91-01-0

1,1-Diphenylmethanol

n-heptane
142-82-5

n-heptane

[bis-5,5'-(1,3-propanediyldiimino)-2,2-dimethyl-4-hexene-3-onato]samarium[bis(trimethylsilyl)amido]

[bis-5,5'-(1,3-propanediyldiimino)-2,2-dimethyl-4-hexene-3-onato]samarium[bis(trimethylsilyl)amido]

bis-5,5'-(1,3-propanediyldiimino)-2,2-dimethyl-4-hexene-3-one benzhydrol samarium(III) dimer heptane solvate

bis-5,5'-(1,3-propanediyldiimino)-2,2-dimethyl-4-hexene-3-one benzhydrol samarium(III) dimer heptane solvate

Conditions
ConditionsYield
In toluene under dry N2 atm. using Schlenk techniques; Sm complex dissolved in dry toluene; benzhydrol dissolved in toluene added with stirring; mixt. stirred at reflux overnight; cooled to ambient temp.; soln. concd. (vac.); solid recrystd. (heptane); crystals were obtained after 1 wk at -18°C; elem. anal.;85.6%
tetrahydrofuran
109-99-9

tetrahydrofuran

neodymium(III) chloride

neodymium(III) chloride

hexane
110-54-3

hexane

n-heptane
142-82-5

n-heptane

(N-mesityl-6-(2,4,6-triisopropylphenyl)pyridine-2-aminide)Li(OEt)2

(N-mesityl-6-(2,4,6-triisopropylphenyl)pyridine-2-aminide)Li(OEt)2

{[(N-mesityl-6-(2,4,6-triisopropylphenyl)pyridine-2-aminide)Nd(THF)](μ2-Cl)3Li(THF)2}2

{[(N-mesityl-6-(2,4,6-triisopropylphenyl)pyridine-2-aminide)Nd(THF)](μ2-Cl)3Li(THF)2}2

Conditions
ConditionsYield
Stage #1: tetrahydrofuran; neodymium(III) chloride; (N-mesityl-6-(2,4,6-triisopropylphenyl)pyridine-2-aminide)Li(OEt)2 at 20℃; for 24h; Schlenk technique;
Stage #2: hexane; n-heptane In tetrahydrofuran Schlenk technique;
85%

142-82-5Related news

Modelling of the interaction between a falling n-Heptane (cas 142-82-5) droplet and hot solid surface09/30/2019

Accurate prediction of the interactions between evaporating liquid droplets and solids are critical for many industrially important processes. A model based on coupled Level Set-Volume of Fluid approach was developed to simulate the interaction of evaporating liquid droplets with hot solid surfa...detailed

142-82-5Relevant articles and documents

Zweifel,Steele

, p. 6021,6023 (1966)

Platinum Hydroformylation Catalysts containing Diphenylphosphine Oxide Ligands

Leeuwen, Piet W. N. M. van,Roobeek, Cornelis F.,Wife, Richard L.,Frijns, John H. G.

, p. 31 - 33 (1986)

Platinum complexes of the general formula Pt(H)(Ph2PO)(Ph2POH)(PPh3) (1a) catalyse the hydroformylation of hept-1-ene and, more significantly, hept-2-ene, yielding products of high linearity (90 and 60percent, respectively); the intermediate alkyl and acyl complexes (1c-e) which most often escape direct observation in a catalytic system, have been successfully isolated and identified.

REACTION OF HCo(CO)4 WITH OLEFINS, EFFECT OF Co2(CO)8

Ungvary, Ferenc,Marko, Laszlo

, p. 397 - 400 (1981)

Dicobalt octacarbonyl catalyzes the formation of acylcobalt tetracarbonyls and paraffins from olefins and cobalt tetracarbonyl hydride, presumably by generating radical species.The relative reactivities of CO and HCo(CO)4 towards an alkylcobalt carbonyl determine the carbonylation/hydrogenation ratio.

The effect of TiO2 particle size on the characteristics of Au-Pd/TiO2 catalysts

Kittisakmontree, Prathan,Yoshida, Hiroshi,Fujita, Shin-Ichiro,Arai, Masahiko,Panpranot, Joongjai

, p. 70 - 75 (2015)

The nanocrystalline TiO2 materials with average crystallite sizes of 9 and 15 nm were synthesized by the solvothermal method and employed as the supports for preparation of bimetallic Au/Pd/TiO2 catalysts. The average size of Au-Pd alloy particles increased slightly from sub-nano (2 crystallite size from 9 to 15 nm. The catalyst performances were evaluated in the liquid-phase selective hydrogenation of 1-heptyne under mild reaction conditions (H2 1 bar, 30 °C). The exertion of electronic modification of Pd by Au-Pd alloy formation depended on the TiO2 crystallite size in which it was more pronounced for Au/Pd on the larger TiO2 (15 nm) than on the smaller one (9 nm), resulting in higher hydrogenation activity and lower selectivity to 1-heptene on the former catalyst.

HYDROGENATION OF ALKENES AND ALKYNES ON Pd-POLYHETEROARYLENE CATALYSTS TREATED WITH SODIUM BOROHYDRIDE

Belyi, A. A.,Chigladze, L. G.,Rusanov, A. L.,Vol'pin, M. E.

, p. 1801 - 1806 (1989)

As a result of treatment with sodium borohydride, Pd(0)-polyheteroarylene catalysts for the hydrogenation of unsaturated compounds acquire the capability for selective hydrogenation of alkynes as a result of suppressing processes of hydrogen addition to the double bond of the olefins and dienes that are obtained by reduction of the alkynes.

Mechanism of autocatalysis in the thermal dehydrochlorination of poly(vinyl chloride)

Starnes Jr., William H.,Ge, Xianlong

, p. 352 - 359 (2004)

Autocatalysis during the thermal dehydrochlorination of poly(vinyl chloride) (PVC) is shown to be a free-radical process that converts the ordinary monomer units of the polymer into chloroallylic structures that have low thermal stabilities. In the first stage of dehydrochlorination, conjugated polyene sequences are created by a nonfree-radical route. They react with HCl to give cation monoradicals and/or excited cation diradicals. One or both of these species, or other radicals formed them, can then abstract methylene hydrogen in order to produce new radicals that are also carbon-centered. These are converted by chlorine-atom β scission into the chloroallylic segments, which start the growth of new polyenes in the usual (nonradical) way. At 180°C in solid PVC, autocatalysis was inhibited by free-radical scavengers (a hindered phenol, triphenylmethane, and metallic mercury) but greatly enhanced by an increased concentration of HCl when all-trans-β-carotene, a model for PVC polyene sequences, was introduced simultaneously. When the were subjected to autocatalytic conditions, other model compounds gave products that apparently resulted from the abstraction of hydrogen by free-radical intermediates.

Synthetic Fuels from Biomass: Photocatalytic Hydrodecarboxylation of Octanoic Acid by Ni Nanoparticles Deposited on TiO2

Albero, Josep,Du, Xiangze,García, Hermenegildo,Hu, Changwei,Li, Dan,Peng, Yong

, (2021/12/13)

Decarboxylation of low-value fatty acids from biomass is a simple process to produce synthetic fuels suitable to be blended with gasoline or diesel. The present study reports the photocatalytic decarboxylation of octanoic acid in the presence of H2 by a series of modified TiO2 to form mixtures of n-heptane and tetradecane as major products in variable proportions, depending on the photocatalyst and the reaction conditions. It was found that the photocatalytic activity increases upon an optimal reductive NaBH4 treatment, presumably by generation of surface oxygen vacancies and by the deposition of Ni nanoparticles in the appropriate loading. Under the optimized conditions, an almost complete octanoic acid conversion and a combined selectivity to n-heptane and tetradecane over 80 % were reached at 10 h of UV/Vis light irradiation with a 300 W Xe lamp. No changes in the photocatalytic performance were observed for six consecutive runs. The present results illustrate the possibility that photocatalytic decarboxylation offers for the transformation of biomass into synthetic fuels under mild conditions.

H2-Free Selective Dehydroxymethylation of Primary Alcohols over Palladium Nanoparticle Catalysts

Yamaguchi, Sho,Kondo, Hiroki,Uesugi, Kohei,Sakoda, Katsumasa,Jitsukawa, Koichiro,Mitsudome, Takato,Mizugaki, Tomoo

, p. 1135 - 1139 (2020/12/29)

The dehydroxymethylation of primary alcohols is a promising strategy to transform biomass-derived oxygenates into hydrocarbon fuels. In this study, a novel, highly efficient, and reusable heterogeneous catalyst system was established for the H2-free dehydroxymethylation of primary alcohol using cerium oxide-supported palladium nanoparticles (Pd/CeO2). A wide range of aliphatic and aromatic alcohols including biomass-derived alcohols were converted into the corresponding one-carbon shorter hydrocarbons in high yields in the absence of any additives, accompanied by the production of H2 and CO. Pd/CeO2 was easily recovered from the reaction mixture and reused, retaining its high activity, thus, providing a simple and sustainable methodology to produce hydrocarbon fuels from biomass-derived oxygenates.

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