C10H2Cl6
Molecular mass: 334.7
ICSC # 0997
CAS # 1335-87-1
RTECS # QJ7350000
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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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Not combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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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!
STRICT HYGIENE!
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IN ALL CASES CONSULT A DOCTOR!
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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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MAY BE ABSORBED!
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.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
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,
then remove to safe place.
Do NOT let this chemical enter the environment.
Chemical protection suit.
Personal protection: P2 filter respirator for harmful particles.
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Separated from
strong oxidants,
food and feedstuffs
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Important Data
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Physical State; Appearance:
WHITE
SOLID IN VARIOUS FORMS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic gases
including
hydrogen chloride
and
phosgene
.
Reacts
with
strong oxidants.
Occupational Exposure Limits:
TLV: 0.2 mg/m3 as TWA; (skin); (ACGIH 2004).
MAK: IIb (not established but data is available); skin absorption (H); (DFG 2004).
OSHA PEL: TWA 0.2 mg/m3 skin
NIOSH REL: TWA 0.2 mg/m3 skin
NIOSH IDLH: 2 mg/m3 See: 1335871
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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:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the skin
.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis (chloracne).
The substance may have effects on the
liver
, resulting in
liver impairment
.
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Physical
Properties
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Boiling point: 344-388°C
Melting point: 137°C
Density: 1.78
g/cm3
Solubility in water:
none
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Vapour pressure, Pa at °C: < 0.01
Relative vapour density (air = 1): 11.6
Octanol/water partition coefficient as log Pow: 7.59
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Environmental
Data
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Bioaccumulation of this chemical may occur along the food chain, for example in fish.
It is strongly advised not to let the chemical enter into the environment because it persists in 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.Card has been partly updated in April 2005. See section Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0997
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HEXACHLORONAPHTHALENE
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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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