1,2-Dibromopropane

Basic Information

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CAS Number

78-75-1

Molecular Formula

C3H6Br2

Molecular Weight

201.89 g/mol

Chemical Classification

Water Treatment Chemicals Disinfectants Chlorine Compounds

Basic Physical Properties

Melting Point

−55 °C

Boiling Point

141°C

Density

1.937 g/mL at 25 °C

Solubility

organic solvents: miscible

Refractive Index

n20/D 1.519(lit.)

Vapor Pressure

7.7±0.2 mmHg at 25°C

SMILES

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CC(CBr)Br

InChI

InChI=1S/C3H6Br2/c1-3(5)2-4/h3H,2H2,1H3

InChIKey

XFNJYAKDBJUJAJ-UHFFFAOYSA-N

LogP

2.1647

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

20.9

Safety Information

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GHS Hazard Pictograms

H226

H302

H332

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H332 Harmful if inhaled
Acute toxicity, inhalation

Hazard Class

Class 3 Class 3

Stability

Stable. Flammable. Incompatible with strong oxidizing agents, strong bases, magnesium.

Synonyms & References

English

SCHEMBL43616
CCRIS 6710
Propylene Bromide
Propane, 1,2-dibromo-
1,2-dibrompropan
HSDB 7379
UNII-FGB8O5N903
1,2-Dibromo-propane
1,2-Dibromopropane, 97%
51209-47-3
4-01-00-00215 (Beilstein Handbook Reference)
FGB8O5N903
FT-0606364
BRN 1718884
EINECS 201-139-1
2,3-Dibromo-1-Propane
MFCD00000148
2,3-DIBROMOPROPANE [HSDB]
D0203
DTXSID60870403
.+/-.-1,2-Dibromopropane
PROPYLENE DIBROMIDE [MI]
LS-119946
EN300-20739
1,2-Dibromopropane 10000 microg/mL in Hexane
Q161469
2,3-Dibromopropane
AI3-15405
FT-0611608
1,2 dibromopropane
CH2BrCHBrCH3

MDL Number

MFCD00000148

Customs Code

29033036

FAQ

What are the physical and chemical properties of 1,2-Dibromopropane (CAS: 78-75-1)?

1,2-Dibromopropane is a colorless, dense, and volatile liquid with a strong odor. Its molecular weight is approximately 150.92 g/mol. It is slightly soluble in water but miscible with most organic solvents. Chemically, it is highly reactive towards nucleophiles and can undergo bromine addition reactions. It has a boiling point of 101.5°C and a melting point of -22.7°C.

How is 1,2-Dibromopropane (CAS: 78-75-1) typically synthesized?

1,2-Dibromopropane is typically synthesized via the reaction of propene with hydrogen bromide using a Lewis acid catalyst such as aluminum trichloride. The reaction is exothermic and proceeds with good regioselectivity, yielding 1,2-dibromopropane as the major product with a high yield.

What industries use 1,2-Dibromopropane (CAS: 78-75-1)?

1,2-Dibromopropane is used in various industries, including pharmaceuticals for the synthesis of certain organic compounds, polymers for the production of plasticizers, and as a solvent in the manufacturing of sensors and semiconductors due to its good solvent properties and volatility.

What precautions should be taken when handling 1,2-Dibromopropane (CAS: 78-75-1)?

When handling 1,2-dibromopropane, proper personal protective equipment (PPE) including safety goggles, gloves, and a lab coat should be worn. Work should be conducted in a well-ventilated area or a fume hood to avoid inhalation of vapors. Spills should be cleaned up with appropriate absorbents, and the area should be well ventilated. Always refer to the Safety Data Sheet (SDS) for detailed handling and storage instructions.