CAS No.507-19-7,2-Bromo-2-methylpropane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	507-19-7
Name:	2-Bromo-2-methylpropane
Article Data:	110

Formula:	C₄H₉Br
Molecular Weight:	137.019
Synonyms:	1,1-Dimethylethylbromide;2-Bromo-2-methylpropane;2-Bromoisobutane;2-Methyl-2-bromopropane;Bromotrimethylmethane;NSC 8418;Trimethylbromomethane;
EINECS:	208-065-9
Density:	1.271 g/cm³
Melting Point:	-20 °C
Boiling Point:	73.2 °C at 760 mmHg
Flash Point:	18.3 °C
Solubility:	insoluble
Appearance:	clear colourless to yellow-brown liquid
Hazard Symbols:	F,Xi
Risk Codes:	11-36/37/38
Safety:	16-33-37/39-26
Transport Information:	UN 2342 3/PG 2
PSA:	0.00000
LogP:	2.17980

Synthetic route

: 507-20-0
tertiary butyl chloride

: 507-19-7
t-butyl bromide

Conditions

Conditions	Yield
With hydrogen bromide; ferric(III) bromide In dichloromethane at 25℃; for 0.2h;	98%
With boron tribromide for 2h;	80%
With pyridine; tributyltin bromide at 100℃; Thermodynamic data; Equilibrium constant; Δ G;
With aluminum tri-bromide In various solvent(s) at -30℃;
With aluminium trichloride; hydrogen bromide

: 558-17-8
tert-Butyl iodide

: 507-19-7
t-butyl bromide

Conditions

Conditions	Yield
With bismuth(III) bromide In dichloromethane at 25℃; for 1.75h;	98%

: 78-86-4, 53178-20-4
s-butyl chloride

A: 507-19-7
t-butyl bromide

B: 78-76-2, 5787-31-5
s-butyl bromide

Conditions

Conditions	Yield
With hydrogen bromide; ferric(III) bromide In dichloromethane at 25℃; for 15h;	A 3% B 97%

: 75-65-0
tert-butyl alcohol

: 507-19-7
t-butyl bromide

Conditions

Conditions	Yield
With Silphos; bromine In acetonitrile for 0.583333h; Heating;	90%
With hydrogen bromide; lithium bromide at 0℃; for 2h;	87%
With allyltriphenoxyphosphonium bromide at 20℃;	62%

: 75-28-5
Isobutane

: 507-19-7
t-butyl bromide

Conditions

Conditions	Yield
With antimony pentafluoride; 1,2-dibromomethane 1.) -78 deg C, 2 h, 2.) RT, 24 h;	75%
With bromine
With bromine
With bromine

: 67-56-1
methanol

: 5-t-Butylperoxycyclo-octene

A: 507-19-7
t-butyl bromide

: 32654-19-6, 89071-84-1, 92617-21-5
trans-2-bromo-9-oxabicyclo<4.2.1>nonane

: 32654-27-6, 89071-85-2, 92617-22-6
trans-2-bromo-9-oxabicyclo<3.3.1>nonane

D: 77-76-9
2,2-dimethoxy-propane

Conditions

Conditions	Yield
With N-Bromosuccinimide for 0.75h; Product distribution; Mechanism; further in CD3OD;	A 1.5% B n/a C n/a D 74%

...Expand

: 1634-04-4
tert-butyl methyl ether

: 201230-82-2
carbon monoxide

: 100-39-0
benzyl bromide

A: 74-83-9
methyl bromide

B: 507-19-7
t-butyl bromide

C: 101-41-7
benzeneacetic acid methyl ester

Conditions

Conditions	Yield
1,5-hexadienerhodium(I)-chloride dimer; potassium iodide at 75 - 90℃; under 735.5 Torr; overnight or in n-heptane;	A n/a B n/a C 68%

...Expand

: 617-86-7
triethylsilane

: 5193-96-4
methyl methoxybromoacetate

A: 72719-00-7
dimethyl 2,3-dimethoxybutanedioate

B: 507-19-7
t-butyl bromide

C: 1112-48-7
triethyl-bromo-silane

D: 75-65-0
tert-butyl alcohol

Conditions

Conditions	Yield
With di-tert-butyl peroxide In chlorobenzene at 30℃; for 0.1h; Product distribution; Irradiation;	A 7% B 6% C 40% D 19.5%

...Expand

: 109-69-3
n-Butyl chloride

A: 109-65-9
1-bromo-butane

B: 507-19-7
t-butyl bromide

C: 78-76-2, 5787-31-5
s-butyl bromide

Conditions

Conditions	Yield
With hydrogen bromide; ferric(III) bromide In dichloromethane at 25℃; for 15h;	A 5% B 3% C 13%

...Expand

: 78-77-3
Isobutyl bromide

: 507-19-7
t-butyl bromide

Conditions

Conditions	Yield
With pumice stone; thorium tetrachloride
With pumice stone; barium(II) chloride
at 210 - 220℃; im Rohr;

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Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

Standards and Recommendations

DOT Classification: 3; Label: Flammable Liquid

Specification

The CAS registry number of 2-Bromo-2-methylpropane is 507-19-7. With the EINECS registry number 208-065-9, its IUPAC name is 2-bromo-2-methylpropane. In addition, the molecular formula is C₄H₉Br. What's more, it is a kind of clear colourless to yellow-brown liquid and should be stored in a cool and dry place. This organobromine compound is used as a raw material in synthetic organic chemistry. And it is isomeric with 1-bromobutane and 2-bromobutane.

Physical properties about this chemical are: (1)ACD/LogP: 2.38; (2)ACD/LogD (pH 5.5): 2.38; (3)ACD/LogD (pH 7.4): 2.38; (4)ACD/BCF (pH 5.5): 37.67; (5)ACD/BCF (pH 7.4): 37.67; (6)ACD/KOC (pH 5.5): 467.43; (7)ACD/KOC (pH 7.4): 467.43; (8)Index of Refraction: 1.437; (9)Molar Refractivity: 28.27 cm³; (10)Molar Volume: 107.7 cm³; (11)Polarizability: 11.21 ×10^-24cm³; (12)Surface Tension: 23.9 dyne/cm; (13)Density: 1.271 g/cm³; (14)Flash Point: 18.3 °C; (15)Enthalpy of Vaporization: 29.33 kJ/mol; (16)Boiling Point: 73.2 °C at 760 mmHg; (17)Vapour Pressure: 126 mmHg at 25°C.

Preparation of 2-Bromo-2-methylpropane: it can be prepared by 2-chloro-2-methyl-propane. This reaction will need reagent HBr, catalyst FeBr₃ and solvent CH₂Cl₂. The reaction time is 0.2 hour at reaction temperature of 25 °C. The yield is about 98%.

2-Bromo-2-methylpropane can be prepared by 2-chloro-2-methyl-propane

Uses of 2-Bromo-2-methylpropane: it can react with thiocyanic acid; potassium salt to get tert-butyl thiocyanate. This reaction will need reagents silica and alumina, and solvent hexane. The reaction time is 3 hours at reaction temperature of 50 °C. The yield is about 35%.

2-Bromo-2-methylpropane can react with thiocyanic acid; potassium salt to get tert-butyl thiocyanate

When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable. It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and gloves. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. You should keep away from sources of ignition - No smoking. In addition, you should take precautionary measures against static discharges.

You can still convert the following datas into molecular structure:
(1)SMILES: BrC(C)(C)C
(2)Std. InChI: InChI=1S/C4H9Br/c1-4(2,3)5/h1-3H3
(3)Std. InChIKey: RKSOPLXZQNSWAS-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	4400mg/kg (4400mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 29, 1982.
rat	LD50	intraperitoneal	1250mg/kg (1250mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 29, 1982.