1-bromo-3-chloropropane

CAS Number
109-70-6
EC Number
203-697-1

What is 1-bromo-3-chloropropane?

1-Bromo-3-chloropropane (CAS 109-70-6), also known as trimethylene chlorobromide, is a bifunctional alkyl halide used as a chemical intermediate and flame retardant precursor.

Where is 1-bromo-3-chloropropane used?

  • Plastics and polymers: intermediate in producing flame retardant additives for insulation panels and cable sheathing
  • Textiles and leather: synthesis of biocidal and preservative agents
  • Polymer chemistry: crosslinking and chain-extension intermediate
  • Specialty chemicals: preparation of quaternary ammonium compounds and antimicrobial actives for paper treatment and industrial preservation
  • Its dual halogen functionality makes it a reactive building block for synthesizing specialty compounds.

Commercial specifications

  • Purity typically 97% to 99%+
  • High-purity offerings suited to synthesis applications
  • Liquid in standard industrial drum and IBC packaging

Other Names (Synonyms)

Trimethylene chlorobromide|Propane, 1-bromo-3-chloro-|3-Bromopropyl chloride|3-Chloropropyl bromide|1-Chloro-3-bromopropane|3-Chloro-1-bromopropane|3-Bromo-1-chloropropane|Trimethylene bromide chloride

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What are the physical properties of 1-bromo-3-chloropropane?

Melting Point -58.90 °C
Boiling Point 143.3 °C @ Press: 760 Torr
Density 1.5969 g/cm³ @ Temp: 20 °C
Flash Point 81 °C
Appearance clear liquid
Color Clear liquid
Form liquid
Water Solubility insoluble
Vapor Pressure 7.5 hPa (20 °C)
Refractive Index n 20/D 1.486(lit.)

How is 1-bromo-3-chloropropane classified and handled safely? Learn More

Danger
GHS02· Flammable GHS06· Toxic GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H226 H226
H302 H302
H315 H315
H319 H319

Precautionary Statements

P203 P203
P210 P210
P233 P233
P240 P240

Which trade and regulatory codes apply to 1-bromo-3-chloropropane?

HS Code 29034980
UN Number 2688
ADR Class 6.1
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 3
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