CAS No.75-28-5,Isobutane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	75-28-5
Name:	Isobutane
Article Data:	689

Formula:	C₄H₁₀
Molecular Weight:	58.1234
Synonyms:	1,1-Dimethylethane;A 31 (hydrocarbon);Isobutane;Purifrigor Iso 2;Purifrigor Iso 2.5;Purifrigor Iso 3;Purifrigor Iso 3.5;R 600a;Trimethylmethane;iso-Butane;
EINECS:	200-857-2
Density:	0.612 g/cm³
Melting Point:	-160 °C(lit.)
Boiling Point:	−12 °C(lit.)
Flash Point:	-83 °C
Appearance:	a kind of air with no odour and no color
Hazard Symbols:	F+
Risk Codes:	12
Safety:	9-16
Transport Information:	UN 1969
PSA:	0.00000
LogP:	1.66230

Synthetic route

: tripotassiumdecaisobutylpentaaluminum

: deuterium cation

A: 75-28-5
Isobutane

B: potassium ion

C: 16873-17-9
deuterium

D: Al(OH)2(1+)

Conditions

Conditions	Yield
With water In water byproducts: H2, HD; acid hydrolysis with 20% DCl (84%); quantities of the products determined;	A n/a B 100% C n/a D n/a

...Expand

: tripotassiumdecaisobutylpentaaluminum

: hydrogen cation

A: 75-28-5
Isobutane

B: potassium ion

C: 1333-74-0
hydrogen

D: Al(OH)2(1+)

Conditions

Conditions	Yield
With water In water acid hydrolysis with 20% HCl; quantities of the products determined;	A n/a B 100% C n/a D n/a

...Expand

: 75-65-0
tert-butyl alcohol

A: 75-28-5
Isobutane

B: 464-06-2
triptane

Conditions

Conditions	Yield
With triisopropylborane; trifluorormethanesulfonic acid In 1,1,2-Trichloro-1,2,2-trifluoroethane 1.) -30 deg C, 30 min 2.) room temp., 6 h;	A 99.9% B 0.1%

: 3282-30-2
pivaloyl chloride

: 75-28-5
Isobutane

Conditions

Conditions	Yield
With tris-(trimethylsilyl)silane; 2,2'-azobis(isobutyronitrile) In toluene at 80℃; for 0.5h;	98%

: 97-94-9
triethyl borane

: 75-65-0
tert-butyl alcohol

A: 75-28-5
Isobutane

B: 75-83-2
2,2-Dimethylbutane

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid In 1,1,2-Trichloro-1,2,2-trifluoroethane 1.) -30 deg C 2.) room temp.;	A 92.5% B 7.5%

...Expand

: vanadocene

: 507-19-7
t-butyl bromide

A: vanadocene monobromide

B: 75-28-5
Isobutane

C: 1333-74-0
hydrogen

D: 115-11-7
isobutene

Conditions

Conditions	Yield
In hexane room temp.; further products:t-butylcyclopentadiene, tetramethylbutane, 2-methyl-4,4-dimethyl-1-pentene; GCL;	A 92% B n/a C n/a D n/a

...Expand

: 78-92-2, 15892-23-6
iso-butanol

A: 75-28-5
Isobutane

B: 106-97-8
n-butane

Conditions

Conditions	Yield
With aluminium trichloride; polyethoxysilane (silicone GKZh-94) In nitromethane Product distribution;	A 6% B 91%

: 463-82-1
2,2-dimethylpropane

A: 34557-54-5
methane

B: 74-84-0
ethane

C: 74-98-6
propane

D: 75-28-5
Isobutane

E: 78-78-4
methylbutane

Conditions

Conditions	Yield
With hydrogen; platinum at 243℃; Product distribution; further reaction temperatures, catalysts;	A 2.7% B 1.5% C 1.5% D 6.7% E 87.8%
at 304℃; Product distribution; also from n-butane, other products,other temperatures, other catalysts;	A 7% B 1.7% C 2.4% D 15.6% E 73.3%
With hydrogen; NaY-500; palladium at 216℃; Product distribution; Kinetics; Thermodynamic data; other catalysts, other temperatures; activation energies;
With hydrogen In neat (no solvent) at 275℃; under 1225.5 Torr; Reagent/catalyst; Inert atmosphere;

...Expand

: 3531-43-9
tetraisobutyl stannane

A: 74-98-6
propane

B: 75-28-5
Isobutane

C: 115-11-7
isobutene

D: 106-97-8
n-butane

Conditions

Conditions	Yield
With hydrogen byproducts: C5 hydrocarbons, paraffin; 20 h, 300-310°C, 100 atm;	A 1.6% B 85.7% C 2.5% D 3.1%
With H2 byproducts: C5 hydrocarbons, paraffin; 20 h, 300-310°C, 100 atm;	A 1.6% B 85.7% C 2.5% D 3.1%

...Expand

: 78709-76-9
{bis(triphenylphosphine)nitrogen}{HW(CO)5}

: 507-19-7
t-butyl bromide

A: 15131-04-1
bromopentacarbonyl tungstate(0)(1-)

B: 75-28-5
Isobutane

Conditions

Conditions	Yield
In tetrahydrofuran Kinetics; 26.0°C, 20-fold excess of alkyl halide; second-order rate const. is given; anal. of the reaction mixt. by gas chromy.;	A n/a B 81%

...Expand

Raw Materials

78-77-3

513-36-0

507-19-7

14742-26-8

6532-48-5

83817-38-3

629-92-5

123-51-3

Downstream Products

1871-58-5

565-59-3

67-72-1

75-91-2

109-66-0

689-97-4

75-19-4

78-77-3

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Production

Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

DFG MAK: 1000 ppm (2400 mg/m³)
DOT Classification: 2.1; Label: Flammable Gas

Specification

The Isobutane , with the register number75-28-5, has other names as 1,1-Dimethylethane;2-Methylpropan ; 2-methyl-propan ; a31(hydrocarbon) ; i-Butane ; Isobutan ; Isobutane mixtures ; isobutane(dot) .

The physical properties of this chemcial are as followings: (1)ACD/LogP: 2.70 ; (2)ACD/LogD (pH 5.5): 2.7 ; (3)ACD/LogD (pH 7.4): 2.7 ; (4)ACD/BCF (pH 5.5): 66.02 ; (5)ACD/BCF (pH 7.4): 66.02 ; (6)ACD/KOC (pH 5.5): 698.43 ; (7)ACD/KOC (pH 7.4): 698.43 ; (8)Index of Refraction: 1.352 ; (9)Molar Refractivity: 20.53 cm³ ; (10)Molar Volume: 94.9 cm³ ; (11)Polarizability: 8.14 ×10^-24cm³ ; (12)Surface Tension: 15.5 dyne/cm ; (13)Density: 0.612 g/cm³ ; (14)Enthalpy of Vaporization: 21.3 kJ/mol ; (15)Vapour Pressure: 2580 mmHg at 25°C.

This is a kind of air with no odour and no color but is flammable and combustible. This is stable. And this is widely used in many ways. It could be used as the aerosol and the aerating agent. Besides, it could also be applied in Standard gas for the Petrochemical Corporation analysis and detecting instrument. What's more, it can be used in making the isooctane, and being the improver & refrigerant for the gasoline octane number.

Its product categories are including refrigerants;Organics;Refrigerant;Gas Cylinders;Hydrocarbons (Low Boiling point);Synthetic Organic Chemistry. Besides, its raw materials are in the following: Liquefied petroleum ges, C4 Fraction while its preparation products are the below: Propylene oxide, ISOBUTYLENE, Methacrylic acid, (1R-cis)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane carboxylic acid, N-BUTANE, 1-BUTENE, 1R-cis crysanthemic acid, ETHOPERMETHRIN，95%, 2,2,4-Trimethylpentane, etc.

Being a kind of extremely flammable chemical, it has an extremely low flash point and boiling point, and gases that catch fire in contact with air. So while dealing with it, you should be very cautious.
Keep container in a well-ventilated place and keep away from sources of ignition - No smoking

Additionally, you could convert the following data information into the molecular structure:
SMILES:CC(C)C
InChI:InChI=1/C4H10/c1-4(2)3/h4H,1-3H3
InChIKey:NNPPMTNAJDCUHE-UHFFFAOYAY

Below are the toxicity information of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LCLo	inhalation	1041gm/m3/2H (1041000mg/m3)	BEHAVIORAL: EXCITEMENT	Journal of Pharmacology and Experimental Therapeutics. Vol. 58, Pg. 74, 1936.
rat	LC50	inhalation	57pph/15M (570000ppm)	BEHAVIORAL: TREMOR BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION	Human Toxicology. Vol. 1, Pg. 239, 1982.