Dichloromethyl benzene
Benzylidene chloride
alpha, alpha-Dichlorotoluene
Benzyl dichloride
C7H6Cl2 / C6H5CHCl2
Molecular mass: 161.03
ICSC # 0101
CAS # 98-87-3
RTECS # CZ5075000
UN # 1886
EC # 602-058-00-8
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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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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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AVOID ALL CONTACT!
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•Inhalation
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Cough.
Laboured breathing.
Sore throat.
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Ventilation.
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Fresh air, rest.
Half-upright position.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Face shield
.
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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.
(Further see Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Do NOT induce vomiting.
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.
Personal protection: complete protective clothing including self-contained breathing apparatus.
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Separated from
food and feedstuffs
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See Chemical Dangers.
Ventilation along the floor.
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Do not transport with food and feedstuffs.
T symbol
R: 22-23-37/38-40-41
S: 1/2-36/37-38-45
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH PUNGENT ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
or
on contact with
acids
and
water
producing
toxic fumes
including
hydrogen chloride
(see ICSC0163).
Reacts
with
strong oxidants
.
Occupational Exposure Limits:
TLV not established.
MAK: skin absorption (H);
Carcinogen category: 2;
(DFG 2004).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
is severely irritating to
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
This substance is probably carcinogenic to humans.
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Physical
Properties
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Boiling point: 205°C
Melting point: -17°C
Relative density (water = 1): 1.26
Solubility in water:
none
Vapour pressure, kPa at 35.4°C: 0.13
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Flash point:
93°C c.c.
Auto-ignition temperature: 525°C
Explosive limits, vol% in air: 1.1-11
Octanol/water partition coefficient as log Pow: 3.22
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Environmental
Data
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N O T E S
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Card has been partly updated in April 2005. See section Occupational Exposure Limits.
Transport Emergency Card: TEC (R)-61S1886
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ADDITIONAL INFORMATION
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ICSC: 0101
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BENZAL CHLORIDE
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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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