alpha-Bromotoluene
Bromophenylmethane
C7H7Br
Molecular mass: 171.0
ICSC # 1225
CAS # 100-39-0
RTECS # XS7965000
UN # 1737
EC # 602-057-00-2
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Above 79°C explosive vapour/air mixtures may be formed.
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Above 79°C use a closed system, ventilation.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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PREVENT GENERATION OF MISTS!
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•Inhalation
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Cough.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
Pain.
Lacrimation.
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Face shield,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Burning sensation.
Abdominal pain.
Diarrhoea.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Do NOT induce vomiting.
Give plenty of water to drink.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Chemical protection suit including self-contained breathing apparatus.
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Separated from
strong oxidants,
strong bases,
food and feedstuffs
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Dry.
Well closed.
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Do not transport with food and feedstuffs.
Xi symbol
R: 36/37/38
S: 2-39
UN Hazard Class: 6.1
UN Subsidiary Risks: 8
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS
TO YELLOW
LIQUID
, WITH PUNGENT ODOUR.
Physical Dangers:
Chemical Dangers:
On combustion, forms toxic fumesincludinghydrogen bromide.
The substance decomposes slowly
on contact with water
producing
hydrogen bromide
.
Reacts
violently with
bases
,magnesium and
strong oxidants
.
Attacks many metals, especially in the presence of moisture.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation
and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
Causes watering of the eyes.
The substance
is severely irritating to
the eyes
,
the skin
,
the respiratory tract
and
the gastrointestinal tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 198-199°C
Melting point: -4.0°C
Relative density (water = 1): 1.438
Solubility in water: reaction
Vapour pressure, Pa at 32.2°C: 133
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Relative vapour density (air = 1): 5.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Flash point: 79°C c.c.
Octanol/water partition coefficient as log Pow: 2.92
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Environmental
Data
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N O T E S
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A similar substance, benzyl chloride (ICSC 0016), is a carcinogen but insufficient data are available on the long term effects of benzyl bromide.
Transport Emergency Card: TEC (R)-61GTC1-II
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ADDITIONAL INFORMATION
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ICSC: 1225
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BENZYL BROMIDE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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