CAS No.513-31-5,2,3-Dibromopropene Suppliers

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Basic Information

Molecular Structure:
CAS No.:	513-31-5
Name:	2,3-Dibromopropene
Article Data:	38

Formula:	C3H4 Br2
Molecular Weight:	199.873
Synonyms:	Propene,2,3-dibromo- (6CI,7CI,8CI); 1,2-Dibromo-2-propene; 2,3-Dibromo-1-propene;2,3-Dibromopropene; 2,3-Dibromopropylene; 2-Bromoallyl bromide; NSC 6200; a-Epidibromohydrin
EINECS:	208-155-8
Density:	2.13
Boiling Point:	42-44 ºC (17 mmHg)
Flash Point:	81 ºC
Solubility:	insoluble in water
Appearance:	clear light yellow liquid
Hazard Symbols:
Risk Codes:	R36/37/38
Safety:	Poison by intravenous route. Mutation data reported. When heated to decomposition it emits toxic fumes of Br⁻.
PSA:	0.00000
LogP:	2.28990

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Chemistry

Molecular Formula: C₃H₄Br₂
Formula Weight: 199.87
IUPAC Name: 2,3-Dibromoprop-1-ene
Synonyms: 2,3-Dibromopropylene ; α-Epidibromohydrin ; 2,3-Dibromo-prop-1-ene ; 1,2-Dibromo-2-propene
Boiling Point: 42-44 ^°C at 17 mm Hg(lit.)
Density of 2,3-Dibromopropene (513-31-5): 1.934 g/mL at 25^°C(lit.)
Refractive index : n20/D 1.544(lit.)
Flash Point: 178 ^°F
Storage temp.: Freezer
Water Solubility : 2,3-Dibromopropene (513-31-5) is insoluble
Sensitive: Moisture Sensitive
Chemical Properties: 2,3-Dibromopropene (513-31-5) is a clear light yellow to brown liquid

Uses

2,3-Dibromopropene (513-31-5) is used in the synthesis of organic intermediate.

Production

Heating 1,2,3-3 bromopropane and solid sodium hydroxide until boiling, then distillating the product. The distillate contains 2,3-dibromo-propene and unreacted 1,2,3-3 bromopropane. It is reduced pressure distillation after washing and we should collect 95^°C (10kPa) distillate to have re-fractionation. Then collecting 73-76 ^°C (10kPa) distillate again to have fraction, we can obtain 2,3-Dibromopropene (513-31-5) .

Toxicity Data With Reference

1.		mmo-sat 100 nmol/plate		ENMUDM Environmental Mutagenesis. 2 (1980),59.
2.		ivn-mus LD50:100 mg/kg		CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#03619 .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by intravenous route. Mutation data reported. When heated to decomposition it emits toxic fumes of Br⁻.
Safety: CAUTION: May irritate eyes, skin, and respiratory tract
Hazard Codes: Xn: Harmful,
Xi: Irritant
Risk Statements: 20/22: Harmful by inhalation and if swallowed
41: Risk of serious damage to eyes
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39: Wear eye/face protection
37/39: Wear suitable gloves and eye/face protection
RIDADR: 2810
WGK Germany: 3
RTECS: UC8200000
F: 10: Keep under argon
23: Sensitive to air
HazardClass: 6.1(b)
PackingGroup: III
HS Code: 29033036

Specification

2,3-Dibromopropene (513-31-5) is a clear light yellow to brown liquid and insoluble in water. It is used in the synthesis of organic intermediate. It should keep in a cold drying place.