Methylene Chlorobromide

Name	Chlorobromomethane
Synonyms	CBM CH2ClBr ai3-15514 halon 1011 chlorobrom mil-b-4394-b Bromchlormethan Fluorocarbon1011 Chlorobromomethane bromochloromethane bromochloro-methan chloromethylbromide bromochloro-methane Bromochloromethane CB 1-chloro-1-bromomethane Methylene Chlorobromide monochloromonobromomethane bromochloromethane solution
CAS	74-97-5
EINECS	200-826-3
InChI	InChI=1/CH2BrCl/c2-1-3/h1H2

Molecular Formula	CH2BrCl
Molar Mass	129.38
Density	1.991g/mLat 25°C(lit.)
Melting Point	−88°C(lit.)
Boling Point	68°C(lit.)
Flash Point	11°C
Water Solubility	9 g/L (20 ºC)
Solubility	Soluble in acetone, alcohol, benzene, ether (Weast, 1986), and many other solvents, particularlychlorinated hydrocarbons.
Vapor Presure	117 mm Hg ( 20 °C)
Vapor Density	4.5 (vs air)
Appearance	neat
Specific Gravity	1.991
Exposure Limit	NIOSH REL: TWA 200 ppm (1,050 mg/m3), IDLH 2,000 ppm; OSHA PEL:TWA 200 ppm; ACGIH TLV: TWA 200 ppm (adopted)
BRN	1730801
Storage Condition	2-8°C
Stability	Stable, but may discolour in light. Incompatible with aluminium, magnesium, zinc, calcium, strong oxidizing agents.
Refractive Index	n20/D 1.482(lit.)
Use	For pharmaceutical applications

Risk Codes	R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R59 - Dangerous for the ozone layer R36/37/38 - Irritating to eyes, respiratory system and skin. R20 - Harmful by inhalation R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R36/38 - Irritating to eyes and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S59 - Refer to manufacturer / supplier for information on recovery / recycling. S37/39 - Wear suitable gloves and eye/face protection S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed.
UN IDs	UN 1887 6.1/PG 3
WGK Germany	2
RTECS	PA5250000
HS Code	29034980
Hazard Note	Irritant
Hazard Class	6.1(b)
Packing Group	III
Toxicity	LC50 (inhalation) for mice 15,850 mg/m3/8-h, rats 28,800 ppm/15-min (quoted, RTECS, 1985). Acute oral LD50 for rats 5,000 mg/kg, mice 4,300 mg/kg (quoted, RTECS, 1985).

Henry's Law Constant	(x 10-3 atm?m3/mol):1.44 at 25 °C (approximate - calculated from water solubility and vapor pressure)
NIST chemical information	information provided by: webbook.nist.gov (external link)
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Application	bromochloromethane is an alkane derivative, which can be used as a small fire extinguishing agent, a mineral flotation agent and a penetrating agent for coatings.
Use	for pharmaceutical use in organic synthesis. Fire extinguishing agent. bromochloromethane is an intermediate for pharmaceuticals, pesticides, bactericides, water treatment agents, etc.
category	toxic substances
toxicity grade	poisoning
Acute toxicity	oral-rat LD50: 5000 mg/kg; Oral-mouse LD50: 4300 mg/kg
flammability hazard characteristics	non-combustible itself; Thermal decomposition of halide toxic vapor
storage and transportation characteristics	The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials
extinguishing agent	Water
Occupational Standard	TWA 1050 mg/m3; Tel 1315 mg/m3
toxic substance data	information provided by: pubchem.ncbi.nlm.nih.gov (external link)
immediate life-and health-threatening concentrations	2,000 ppm

Last Update：2024-04-09 02:00:11

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