C10H4Cl4
Molecular mass: 265.9
ICSC # 1387
CAS # 1335-88-2
RTECS # QK3700000
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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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Water spray,
foam,
powder,
carbon dioxide.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
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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.
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Safety spectacles.
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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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Abdominal pain.
Headache.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Rest.
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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Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder.
Do NOT let this chemical enter the environment.
Personal protection: P2 filter respirator for harmful particles.
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Separated from
strong oxidants,
food and feedstuffs
.
Keep in a well-ventilated room.
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Important Data
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Physical State; Appearance:
COLOURLESS
TO PALE YELLOW CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic gases
(
hydrogen chloride
,
phosgene
).
Reacts
with
strong oxidants
causing fire and explosion hazard.
Occupational Exposure Limits:
TLV: 2 mg/m3 as TWA; (ACGIH 2004).
MAK: IIb (not established but data is available); skin absorption (H); (DFG 2004).
OSHA PEL: TWA 2 mg/m3 skin
NIOSH REL: TWA 2 mg/m3 skin
NIOSH IDLH: Unknown See: 1335882
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its fumes
and
through the skin.
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
; on spraying or dispersing, however, much faster.
Effects of Short-Term Exposure:
The substance
is mildly irritating to
the eyes
and
the skin
.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
liver
, resulting in
liver impairment
.
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Physical
Properties
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Boiling point: 312-360°C
Melting point: 182°C
Density: 1.6
g/cm3
Solubility in water:
none
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Vapour pressure, Pa at 25°C: < 0.1
Relative vapour density (air = 1): 9.2
Flash point:
210°C o.c.
Octanol/water partition coefficient as log Pow: 5.75-6.19
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Environmental
Data
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Bioaccumulation of this chemical may occur in fish.
It is strongly advised that this substance does not enter the environment.
The substance may cause long-term effects in the aquatic environment.
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N O T E S
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Halowax is a trade name
for chlorinated naphthalenes. The health effects may vary with the proportion of the different isomers present.Card has been partly updated in April 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
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ADDITIONAL INFORMATION
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ICSC: 1387
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TETRACHLORONAPHTHALENE
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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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