Welcome to LookChem.com Sign In|Join Free
  • or

74-86-2

Post Buying Request

74-86-2 Suppliers

Recommended suppliersmore

Product FOB Price Min.Order Supply Ability Supplier
Acetylene
Cas No: 74-86-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
Acetylene
Cas No: 74-86-2
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Factory Supply Acetylene
Cas No: 74-86-2
No Data 1 1 Ality Chemical Corporation Contact Supplier
Acetylene
Cas No: 74-86-2
No Data 1 Kilogram 200 Kilogram/Week Career Henan Chemical Co Contact Supplier
Acetylene
Cas No: 74-86-2
No Data No Data 5 Hangzhou J&H Chemical Co., Ltd. Contact Supplier
High purity Acetylene
Cas No: 74-86-2
No Data 1 Kilogram 2000 Metric Ton/Year Xiamen BaiFuchem Co.,Ltd Contact Supplier
AcetyleneCAS NO.: 74-86-2
Cas No: 74-86-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 10000 Kilogram/Day Henan Wentao Chemical Product Co., Ltd. Contact Supplier
acetylene
Cas No: 74-86-2
No Data No Data No Data Kono Chem Co.,Ltd Contact Supplier
Acetylene
Cas No: 74-86-2
No Data No Data No Data Aecochem Corp. Contact Supplier
Acetylene
Cas No: 74-86-2
No Data No Data No Data Henan Allgreen Chemical Co.,Ltd Contact Supplier

74-86-2 Usage

InChI:InChI=1/C2H2/c1-2/h1-2H

74-86-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name acetylene

1.2 Other means of identification

Product number -
Other names Welding Gas

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Agricultural chemicals (non-pesticidal),Fuels and fuel additives,Intermediates,Processing aids, not otherwise listed
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:74-86-2 SDS

74-86-2Synthetic route

thiophene
188290-36-0

thiophene

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
under 1 Torr; Product distribution; plasma desulfurization: 10-100 W;100%
calcium carbide
75-20-7

calcium carbide

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With water Hydrolysis;100%
With water In water decompn.;;
With hydrogen In neat (no solvent) byproducts: Ca; at 2275°C pressure of H2 1 atm;;
Lu0.5La0.5C2

Lu0.5La0.5C2

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

ethene
74-85-1

ethene

D

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**2);A 0.1%
B 1.13%
C 2.2%
D 96.5%
In neat (no solvent) hydrolysis of the annealed sample in water vapor (11.0E2 Nm**2);A 0.11%
B 5.2%
C 2.5%
D 92.2%
cyclohexa-1,4-diene
1165952-92-0

cyclohexa-1,4-diene

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With hydrogen; silica gel; Pt/Al2O3 at 170℃; for 48h; examination of hydrogenation var. time and reag;;95%
2-methyl-but-3-yn-2-ol
115-19-5

2-methyl-but-3-yn-2-ol

A

acetone
67-64-1

acetone

B

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
potassium hydroxide In water at 80 - 84℃; for 12 - 45h; Product distribution / selectivity;A 93.8%
B 95%
With [Mg0751Al0.249(OH)2](C(01)O3)25*0.71H2O at 149.84℃; under 3000.3 Torr; Kinetics; Reagent/catalyst; Inert atmosphere;
Ce0.50Er0.50C2

Ce0.50Er0.50C2

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

ethene
74-85-1

ethene

D

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**2);A 0.03%
B 2.7%
C 2.7%
D 94.6%
Ho0.50La0.50C2

Ho0.50La0.50C2

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

ethene
74-85-1

ethene

D

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**2);A 0.12%
B 4.6%
C 2.8%
D 92.4%
holmium dicarbide

holmium dicarbide

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

ethene
74-85-1

ethene

D

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**-2);A 0.9%
B 1.8%
C 5.21%
D 92.1%
thirane
420-12-2

thirane

A

methane
34557-54-5

methane

B

ethene
74-85-1

ethene

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In gas Quantum yield; Mechanism; Irradiation;A n/a
B 90%
C n/a
2,5-dihydroxy-2,5-dimethyl-3-hexyne
142-30-3

2,5-dihydroxy-2,5-dimethyl-3-hexyne

A

acetone
67-64-1

acetone

B

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
potassium fluoride on basic alumina at 100℃; for 2h; Product distribution / selectivity; Neat (no solvent);A 90%
B n/a
With potassium hydroxide at 100℃; for 2h; Neat (no solvent);A 89%
B n/a
lanthanum dicarbide

lanthanum dicarbide

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

propane
74-98-6

propane

D

ethene
74-85-1

ethene

E

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**2);A 0.24%
B 6.77%
C 0.14%
D 2.54%
E 89.5%
N-propargylbenzylamine
1197-51-9

N-propargylbenzylamine

hex-1-yne
693-02-7

hex-1-yne

A

N-benzylhept-2-yn-1-amine
1379038-80-8

N-benzylhept-2-yn-1-amine

B

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A 87%
B n/a
methanesulfonic acid
75-75-2

methanesulfonic acid

triphenylphosphine
603-35-0

triphenylphosphine

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran for 2h; Addition; Heating;86%
neodymium dicarbide

neodymium dicarbide

water
7732-18-5

water

A

methane
34557-54-5

methane

B

ethane
74-84-0

ethane

C

ethene
74-85-1

ethene

D

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) hydrolysis in water vapor (11.0E2 Nm**2);A 0.11%
B 7.27%
C 7.85%
D 85%
α-Bromovinyl phenyl sulfoxide
144443-05-0

α-Bromovinyl phenyl sulfoxide

phenylmagnesium bromide

phenylmagnesium bromide

A

1,1'-sulfinylbisbenzene
945-51-7

1,1'-sulfinylbisbenzene

B

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In tetrahydrofuranA 84%
B n/a
cis+trans-dibromoethylene
540-49-8

cis+trans-dibromoethylene

lithium diphenylphosphide
65567-06-8, 4541-02-0

lithium diphenylphosphide

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In tetrahydrofuran for 1h; Product distribution; Heating; reagent for metal-halogen exchange (reactions with other aliphatic dihalides);80%
cis+trans-dibromoethylene
540-49-8

cis+trans-dibromoethylene

A

(E)-1,2-bis(diphenylphosphoryl)ethene
40612-18-8

(E)-1,2-bis(diphenylphosphoryl)ethene

B

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With lithium diphenylarsenide In tetrahydrofuran for 1h; Heating;A n/a
B 80%
Trichloroethylene
79-01-6

Trichloroethylene

A

cis-1,2-Dichloroethylene
156-59-2

cis-1,2-Dichloroethylene

B

chloroethylene
75-01-4

chloroethylene

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With iron sulfide In water for 2922h; pH=8.3; Kinetics; Product distribution; Dehydrochlorination;A 6%
B 1%
C 65%
methane
34557-54-5

methane

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With Ba0.5Sr0.5Co0.78W0.02Fe0.2O3 at 1200℃;60%
With chlorine durch Vercracken;
im Wechselstrombogen (620-2100 V) bei 68-760 Torr und verschiedener Durchflussgeschwindigkeit, auch bei Verduennung mit Wasserstoff;
3-Azido-4-chloro-buta-1,2-diene
123625-05-8

3-Azido-4-chloro-buta-1,2-diene

A

3-Chloromethyl-2-methylene-2H-azirine
124318-33-8

3-Chloromethyl-2-methylene-2H-azirine

B

chloroacetonitrile
107-14-2

chloroacetonitrile

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
Irradiation;A 60%
B n/a
C n/a
7-(Dibrommethylen)bicyclo<2.2.1>hepta-2,5-dien

7-(Dibrommethylen)bicyclo<2.2.1>hepta-2,5-dien

A

1,3-dibromobenzene
108-36-1

1,3-dibromobenzene

B

6,6-Dibromfulven
41605-39-4

6,6-Dibromfulven

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
at 450℃; under 0.0001 Torr; for 4h; Title compound not separated from byproducts;A n/a
B 60%
C n/a
3-Azido-4-methoxy-buta-1,2-diene
123625-04-7

3-Azido-4-methoxy-buta-1,2-diene

A

2-methoxyacetonitrile
1738-36-9

2-methoxyacetonitrile

B

3-Methoxymethyl-2-methylene-2H-azirine
124318-32-7

3-Methoxymethyl-2-methylene-2H-azirine

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
Irradiation;A n/a
B 59%
C n/a
azidopropadiene
88596-79-6

azidopropadiene

HCN

HCN

A

3-Methyl-2H-azirine-2-carbonitrile
124318-35-0

3-Methyl-2H-azirine-2-carbonitrile

B

acrylonitrile
107-13-1

acrylonitrile

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
at -70℃; Irradiation;A 57%
B 30%
C n/a
1,1,2,2-tetrachloroethylene
127-18-4

1,1,2,2-tetrachloroethylene

A

cis-1,2-Dichloroethylene
156-59-2

cis-1,2-Dichloroethylene

B

Trichloroethylene
79-01-6

Trichloroethylene

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With iron sulfide In water for 2922h; pH=8.3; Kinetics; Product distribution; Dehydrochlorination;A 1%
B 1%
C 56%
With iron sulfide; rac-cysteine In water for 2922h; pH=8.3; Kinetics; Product distribution; Dehydrochlorination;A 1%
B 2%
C 19%
bicyclo(4,2,0)oct-7-ene
616-10-4

bicyclo(4,2,0)oct-7-ene

A

1,3-cyclooctadiene
3806-59-5

1,3-cyclooctadiene

B

(1E,3Z)-1,3-cyclooctadiene
3806-60-8

(1E,3Z)-1,3-cyclooctadiene

C

acetylene
74-86-2

acetylene

D

cyclohexene
110-83-8

cyclohexene

Conditions
ConditionsYield
In pentane for 0.25h; Ambient temperature; Irradiation;A 15%
B 6.6%
C n/a
D 52%
In pentane for 0.166667h; Product distribution; Quantum yield; Ambient temperature; Irradiation; variation of irradiation time;A 15%
B 6.6%
C n/a
D 52%
In pentane for 0.166667h; Ambient temperature; Irradiation;A 18%
B 6.6%
C n/a
D 51%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

sodium acetylide
1066-26-8

sodium acetylide

A

acetylene
74-86-2

acetylene

B

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

C

Bis(trimethylsilyl)ethyne
14630-40-1

Bis(trimethylsilyl)ethyne

Conditions
ConditionsYield
In various solvent(s) at 100℃;A 0.232 mol
B 29%
C 50%
cis+trans-dibromoethylene
540-49-8

cis+trans-dibromoethylene

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
With lithium diphenylarsenide In tetrahydrofuran for 1h; Product distribution; Heating; various amounts of Ph2AsLi (2 equiv or 1 equiv), other reagent (lithium diphenylphosphide);46%
With lithium diphenylphosphide In tetrahydrofuran Heating;
In various solvent(s) Product distribution; Further Variations:; laser light polarization; UV-irradiation;
trans-bicyclo<5.2.0>non-8-ene
96308-43-9

trans-bicyclo<5.2.0>non-8-ene

A

Cycloheptene
628-92-2

Cycloheptene

B

(Z,Z)-1,3-cyclononadiene
3726-88-3

(Z,Z)-1,3-cyclononadiene

C

cis,trans-cyclonona-1,3-diene
3776-88-3

cis,trans-cyclonona-1,3-diene

D

ο-methylenebicyclo<5.1.0>octane
54211-15-3, 115411-11-5

ο-methylenebicyclo<5.1.0>octane

E

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In pentane at 23℃; Product distribution; Quantum yield; Mechanism; Irradiation; variation of wave lengths;A 15%
B 15%
C 46%
D 18%
E n/a
hydrogen
1333-74-0

hydrogen

pyrographite
7440-44-0

pyrographite

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
In neat (no solvent) plasma beams (from vaporized graphite cathode) with H2 as plasma gas yield C2H2 in the quenched gases;;46%
cycloheptane
291-64-5

cycloheptane

A

formaldehyd
50-00-0

formaldehyd

B

formic acid
64-18-6

formic acid

C

Cycloheptyl Nitrate
54894-22-3

Cycloheptyl Nitrate

D

acetylene
74-86-2

acetylene

E

cycloheptanone
502-42-1

cycloheptanone

Conditions
ConditionsYield
With water; nitrogen(II) oxide for 5.15h; Product distribution; Irradiation; further reaction times, initial conc.,;A 0.6%
B 1.3%
C 3.2%
D 7.4%
E 45%
2-Pentanone
107-87-9

2-Pentanone

acetylene
74-86-2

acetylene

3-methylhex-1-yn-3-ol
4339-05-3

3-methylhex-1-yn-3-ol

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 0℃;100%
With tetra(n-butyl)ammonium hydroxide In water; dimethyl sulfoxide at 5℃; for 1h; Favorskii-Babayan Synthesis;90%
With diethyl ether; potassium 2-methylbutan-2-olate
pentan-3-one
96-22-0

pentan-3-one

acetylene
74-86-2

acetylene

3-ethyl-1-pentyn-3-ol
6285-06-9

3-ethyl-1-pentyn-3-ol

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 0℃;100%
With potassium hydroxide; diethyl ether at 0℃; under 7355.08 Torr;
With diethyl ether; potassium 2-methylbutan-2-olate
butanone
78-93-3

butanone

acetylene
74-86-2

acetylene

meparfynol
77-75-8

meparfynol

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 0℃;100%
With tetra(n-butyl)ammonium hydroxide In water; dimethyl sulfoxide at 5℃; for 1h; Favorskii-Babayan Synthesis;78%
With sodium amide
estra-4-ene-3,17-dione
734-32-7

estra-4-ene-3,17-dione

acetylene
74-86-2

acetylene

norethisterone
68-22-4

norethisterone

Conditions
ConditionsYield
Stage #1: estra-4-ene-3,17-dione With potassium hydroxide In toluene; tert-butyl alcohol under 760.051 Torr; for 0.166667h; Reflux; Industrial scale;
Stage #2: acetylene In tert-butyl methyl ether; toluene for 6h; Industrial scale;
100%
With potassium tert-butylate; acetone
acetylene
74-86-2

acetylene

chloroethylene
75-01-4

chloroethylene

Conditions
ConditionsYield
With hydrogenchloride; oxygen at 199.84℃; under 750.075 Torr; for 12h; Reagent/catalyst; Flow reactor; Inert atmosphere;100%
With hydrogenchloride at 180℃; Reagent/catalyst;99.9%
With hydrogenchloride In water at 250℃; under 825.083 - 900.09 Torr; Temperature; Reagent/catalyst;68%
2-(5-bromopentyloxy)tetrahydropyran
37935-47-0

2-(5-bromopentyloxy)tetrahydropyran

acetylene
74-86-2

acetylene

tetrahydro-2-(6-heptynyloxy)-2H-pyran
37011-86-2

tetrahydro-2-(6-heptynyloxy)-2H-pyran

Conditions
ConditionsYield
Stage #1: acetylene With n-butyllithium In tetrahydrofuran; hexane at -10℃; for 0.5h;
Stage #2: 2-(5-bromopentyloxy)tetrahydropyran In tetrahydrofuran; hexane; dimethyl sulfoxide at 20℃;
100%
With lithium; dimethyl sulfoxide In ammonia at -33℃; for 2h;90%
With ammonia; iron(III) chloride; lithium 1.) -35 deg C, 15 min, 2.) THF, DMSO; Yield given. Multistep reaction;
With ammonia; iron(III) chloride; lithium 1.) -35 deg C, 75 min, 2.) THF, DMSO, -35 deg C, 4 h; Yield given. Multistep reaction;
(Z)-1,1-dimesityl-2-neopentylidenesilirane
110547-61-0

(Z)-1,1-dimesityl-2-neopentylidenesilirane

acetylene
74-86-2

acetylene

1,1-dimesityl-4-E-neopentylidene-1-silacyclopent-2-ene
122507-63-5

1,1-dimesityl-4-E-neopentylidene-1-silacyclopent-2-ene

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0) In toluene at 80℃; for 4h;100%
tetrakis(triphenylphosphine) palladium(0) at 80℃; Yield given;
diethylselenium
627-53-2

diethylselenium

acetylene
74-86-2

acetylene

selenophene
288-05-1

selenophene

Conditions
ConditionsYield
at 460℃;100%
In methanol at 440℃; for 1.28333h;89.5%
With Diethyl disulfide at 510℃;
With methanol thermolysis;
With methanol Thermolysis;
acetylene
74-86-2

acetylene

(2-aminopyridine)2Cd(OAc)2

(2-aminopyridine)2Cd(OAc)2

1-Vinyl-1H-pyridin-2-one
7379-71-7

1-Vinyl-1H-pyridin-2-one

Conditions
ConditionsYield
In 1,4-dioxane; water at 160 - 165℃; under 12160 Torr; for 3h;100%
carbon monoxide
201230-82-2

carbon monoxide

acetylene
74-86-2

acetylene

propargyl alcohol
107-19-7

propargyl alcohol

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 0℃;100%
acetylene
74-86-2

acetylene

vinylboronic acid
4363-34-2

vinylboronic acid

Conditions
ConditionsYield
With benzo[1,3,2]dioxaborole In tetrahydrofuran Heating;100%
2-ethoxycarbonyl-1-tetralone
6742-26-3

2-ethoxycarbonyl-1-tetralone

acetylene
74-86-2

acetylene

ethyl 1,2,3,4-tetrahydro-1-oxo-2-ethenylnaphthalene-2-carboxylate

ethyl 1,2,3,4-tetrahydro-1-oxo-2-ethenylnaphthalene-2-carboxylate

Conditions
ConditionsYield
With In(OSO2CF3)3; 3 A molecular sieve; 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 100℃; under 760 Torr; for 30h;100%
With indium(III) triflate; 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene at 100℃; Molecular sieve;100%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

carbon dioxide
124-38-9

carbon dioxide

acetylene
74-86-2

acetylene

(Z)-hept-2-enoic acid
1577-31-7

(Z)-hept-2-enoic acid

Conditions
ConditionsYield
Stage #1: n-butyllithium; acetylene With copper(l) iodide In diethyl ether; hexane at -50℃; for 0.5h;
Stage #2: carbon dioxide In diethyl ether; hexane at -50℃; for 2h; Further stages.;
100%
pentaborane(9)
19624-22-7

pentaborane(9)

acetylene
74-86-2

acetylene

poly(2-vinylpentaborane)
78837-91-9

poly(2-vinylpentaborane)

Conditions
ConditionsYield
bis(triphenylphosphine)carbonyliridium(I) chloride In neat (no solvent) tube was charged with Ir-complex, evacuated, alkyne and borane were condensed into tube, mixt. was warmed to room temp., heated at 75°C for 4 h; purified by GLC on the TCP column (80°C); elem. anal.;100%
(carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II)
157072-60-1, 61521-25-3, 166941-05-5, 16971-33-8

(carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II)

acetylene
74-86-2

acetylene

ruthenium(carbonyl)(Cl)(ethenyl)(PPh3)2

ruthenium(carbonyl)(Cl)(ethenyl)(PPh3)2

Conditions
ConditionsYield
In dichloromethane C2H2-atmosphere; stirring (15 min); crystn. on EtOH addn. and crystn., filtering, washing (EtOH, petroleum ether), drying; elem. anal.;100%
In dichloromethane Inert atmosphere;68%
In dichloromethane acetylene was bubbled through a soln. of Ru-complex in CH2Cl2 for 30 min with stirring and mild heating; unidentified mixt. of products of polyinsertion of acetylene was also formed; soln. was chromd. on a Florisil column (eluent CH2Cl2), alkenyl complexwas isolated from the eluate by concn. and pptn. with petroleum ether; elem. anal.;55%
(5,10,15,20-tetramesitylporphyrinato)ruthenium(II)
79235-76-0

(5,10,15,20-tetramesitylporphyrinato)ruthenium(II)

acetylene
74-86-2

acetylene

bis(5,10,15,20-tetramesitylporphyrinato)ruthenium(II)-(μ-acetylene)

bis(5,10,15,20-tetramesitylporphyrinato)ruthenium(II)-(μ-acetylene)

Conditions
ConditionsYield
In benzene Exposure of starting soln. to C2H2 (1 atm) and shaking. Upon leaving under room light for 16 h, the soln. turns from dark brown to greenish-black.; Removal of solvent by evacuation, drying of resulting solid (vac., 24 h, 25°C), elem. anal.;100%
1,3-bis-(2,6-diisopropyl-phenyl)-6-methyl-4-methylene-1,2,3,4-tetrahydro-[1,3,2]diazasiline
907590-97-0

1,3-bis-(2,6-diisopropyl-phenyl)-6-methyl-4-methylene-1,2,3,4-tetrahydro-[1,3,2]diazasiline

acetylene
74-86-2

acetylene

C5H6(NC6H3(CH(CH3)2)2)2SiC2H2
1034170-45-0

C5H6(NC6H3(CH(CH3)2)2)2SiC2H2

Conditions
ConditionsYield
In hexane at 20℃; for 3h;100%
(hydrotris(1-pyrazolyl)borato)bis(ethylene)iridium(I)

(hydrotris(1-pyrazolyl)borato)bis(ethylene)iridium(I)

acetylene
74-86-2

acetylene

[(hydrotris(pyrazolyl)borate)Ir(C2H4)(C2H2)]

[(hydrotris(pyrazolyl)borate)Ir(C2H4)(C2H2)]

Conditions
ConditionsYield
In dichloromethane-d2 at -60℃;100%
[(η5-C5Me5)Co-(η5-1-phenylpentadienyl)]+ BF4-
1012314-44-1

[(η5-C5Me5)Co-(η5-1-phenylpentadienyl)]+ BF4-

acetylene
74-86-2

acetylene

[(η5-C5Me5)Co(η5-1-phenylcycloheptadienyl)]+BF4-

[(η5-C5Me5)Co(η5-1-phenylcycloheptadienyl)]+BF4-

Conditions
ConditionsYield
In dichloromethane at 20 - 60℃; for 96h;100%
2C23H16N4*H2O*2Cu(1+)*2I(1-)

2C23H16N4*H2O*2Cu(1+)*2I(1-)

acetylene
74-86-2

acetylene

2C23H16N4*2Cu(1+)*1.25C2H2*2I(1-)

2C23H16N4*2Cu(1+)*1.25C2H2*2I(1-)

Conditions
ConditionsYield
for 0.5h;100%
1,2-Tbb2-disilyne

1,2-Tbb2-disilyne

acetylene
74-86-2

acetylene

1,2-Tbb2-disilabenzene

1,2-Tbb2-disilabenzene

Conditions
ConditionsYield
In hexane at 20℃; under 760.051 Torr; for 0.166667h; Inert atmosphere; regioselective reaction;100%
C60H118Ge2Si8

C60H118Ge2Si8

acetylene
74-86-2

acetylene

C62H120Ge2Si8

C62H120Ge2Si8

Conditions
ConditionsYield
In hexane at 20℃; under 760.051 Torr; for 0.25h; Inert atmosphere;100%
cyclopentanone
120-92-3

cyclopentanone

acetylene
74-86-2

acetylene

1-ethynylcyclopentanol
17356-19-3

1-ethynylcyclopentanol

Conditions
ConditionsYield
Stage #1: acetylene With potassium tert-butylate In tetrahydrofuran at 0℃; for 1h;
Stage #2: cyclopentanone In tetrahydrofuran at 0 - 20℃;
99.9%
With potassium tert-butylate In tetrahydrofuran at 10 - 15℃; for 0.333333h;90%
With potassium hydroxide In dimethyl sulfoxide at 15 - 17℃; for 1h;84%
cyclohexanone
108-94-1

cyclohexanone

acetylene
74-86-2

acetylene

1-Ethynyl-1-cyclohexanol
78-27-3

1-Ethynyl-1-cyclohexanol

Conditions
ConditionsYield
Stage #1: acetylene With potassium tert-butylate In tetrahydrofuran at 0℃; for 1h;
Stage #2: cyclohexanone In tetrahydrofuran at 0 - 20℃;
99.3%
With potassium hydroxide In dimethyl sulfoxide at 15 - 17℃; for 2h;98%
Stage #1: acetylene With ammonia; sodium at -78℃;
Stage #2: cyclohexanone In diethyl ether at -78℃; for 12h;
97%
acetone
67-64-1

acetone

acetylene
74-86-2

acetylene

2-methyl-but-3-yn-2-ol
115-19-5

2-methyl-but-3-yn-2-ol

Conditions
ConditionsYield
With sodium In methanol at 0 - 5℃; for 1h; Solvent; Reagent/catalyst; Autoclave; Inert atmosphere; Large scale;99.2%
Stage #1: acetylene With sodium amide In ammonia at -50℃; for 0.5h;
Stage #2: acetone at -50 - 25℃;
87.9%
Stage #1: acetylene With potassium hydroxide monohydrate In dimethyl sulfoxide at 10 - 15℃; for 7h;
Stage #2: acetone In dimethyl sulfoxide at 10 - 15℃; for 9h; Temperature;
82%
benzophenone
119-61-9

benzophenone

acetylene
74-86-2

acetylene

1,1-diphenyl-2-propyn-1-ol
3923-52-2

1,1-diphenyl-2-propyn-1-ol

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 0 - 5℃; for 0.5h; Inert atmosphere; Large scale;99.2%
Stage #1: acetylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h;
Stage #2: benzophenone In tetrahydrofuran; hexane at -78 - 20℃;
96%
With sodium hydroxide; tetrabutylammomium bromide In toluene for 2h; Ambient temperature;90%
6-Methyl-hept-5-en-2-on
110-93-0

6-Methyl-hept-5-en-2-on

acetylene
74-86-2

acetylene

3,7-dimethyloct-6-en-1-yn-3-ol
29171-20-8

3,7-dimethyloct-6-en-1-yn-3-ol

Conditions
ConditionsYield
With sodium methylate In methanol at 0 - 5℃; for 0.5h; Inert atmosphere;99.1%
86%
With diethyl ether unter Zusatz von Kaliumhydroxid;
methyl vinyl ketone
78-94-4

methyl vinyl ketone

acetylene
74-86-2

acetylene

3-methyl-1-penten-4-yn-3-ol
3230-69-1

3-methyl-1-penten-4-yn-3-ol

Conditions
ConditionsYield
With potassium tert-butylate In tert-butyl alcohol at 0 - 5℃; for 0.5h; Inert atmosphere;99.1%
Addition;74%
With lithium amide In ammonia
With ammonia; lithium; ferric nitrate In diethyl ether

74-86-2Upstream product

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 74-86-2