1,4-DICHLOROBENZENE 0037
November 2003
p-Dichlorobenzene
CAS No: 106-46-7
PDCB
RTECS No: CZ4550000
C6H4Cl2
UN No: 3077
Molecular mass: 147
EC No: 602-035-00-2
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Combustible. Gives off irritating or NO open flames. Powder, water spray, foam, carbon
FIRE
toxic fumes (or gases) in a fire. dioxide.
Above 66/C explosive vapour/air Above 66/C use a closed system, In case of fire: keep drums, etc.,
EXPLOSION
mixtures may be formed. ventilation, and explosion-proof cool by spraying with water.
electrical equipment.
EXPOSURE AVOID ALL CONTACT!
Burning sensation. Cough. Ventilation, local exhaust, or Fresh air, rest. Refer for medical
Inhalation
Drowsiness. Headache. Nausea. breathing protection. attention.
Shortness of breath. Vomiting.
Protective gloves. Remove contaminated clothes.
Skin
Rinse and then wash skin with water
and soap.
Redness. Pain. Safety goggles, or eye protection in First rinse with plenty of water for
Eyes
combination with breathing several minutes (remove contact
protection. lenses if easily possible), then take
to a doctor.
Diarrhoea. (Further see Inhalation). Do not eat, drink, or smoke during Give plenty of water to drink. Refer
Ingestion
work. for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if Xn Symbol Do not transport with food and
appropriate, moisten first to prevent dusting. N Symbol feedstuffs. Marine pollutant.
Carefully collect remainder, then remove to safe R: 36-40-50/53
place. Personal protection: filter respirator for S: (2-)36/37-46-60-61
organic gases and vapours. Do NOT let this UN Hazard Class: 9
chemical enter the environment. UN Pack Group: III
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-90GM7-III Provision to contain effluent from fire extinguishing. Separated from strong
NFPA Code: H 2; F 2; R 0 oxidants, food and feedstuffs. Keep in a well-ventilated room.
IPCS Prepared in the context of cooperation between the International
Programme on Chemical Safety and the European Commission 漏
International IPCS 2004
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
0037 1,4-DICHLOROBENZENE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
COLOURLESS TO WHITE CRYSTALS, WITH The substance can be absorbed into the body by inhalation and
CHARACTERISTIC ODOUR. by ingestion.
Chemical dangers Inhalation risk
On combustion, forms toxic and corrosive fumes including A harmful contamination of the air will be reached rather slowly
hydrogen chloride. Reacts with strong oxidants. on evaporation of this substance at 20/C.
Occupational exposure limits Effects of short-term exposure
TLV: 10 ppm as TWA; A3; (ACGIH 2004). The substance is irritating to the eyes and the respiratory tract.
MAK: H; Carcinogen category: 2; Germ cell mutagen group: 3B; The substance may cause effects on the blood, resulting in
(DFG 2004). haemolytic anaemia. The substance may cause effects on the
central nervous system. Medical observation is indicated.
Effects of long-term or repeated exposure
The substance may have effects on the liver, kidneys and blood.
This substance is possibly carcinogenic to humans.
PHYSICAL PROPERTIES
Boiling point: 174/C Relative vapour density (air = 1): 5.08
Melting point: 53/C Relative density of the vapour/air-mixture at 20/C (air = 1): 1.01
Density: 1.2 g/cm3 Flash point: 66/C c.c.
Solubility in water: at 25 /C 80 mg/l Explosive limits, vol% in air: 6.2-16
Vapour pressure, Pa at 20/C: 170 Octanol/water partition coefficient as log Pow: 3.37
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms. Bioaccumulation of this chemical may occur in fish.
NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency
Response.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE
漏IPCS 2004
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