ICSC 0531 - PENTACHLOROBENZENE

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PENTACHLOROBENZENE

ICSC: 0531
_{November 2003}

1,2,3,4,5-Pentachlorobenzene

CAS No: 608-93-5
RTECS No: DA6640000
EC No: 602-074-00-5

C₆HCl₅
Molecular mass: 250.3

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRE FIGHTING
FIRE	Combustible under specific conditions. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Powder, water spray, foam, carbon dioxide.
EXPLOSION

EXPOSURE		PREVENT DISPERSION OF DUST! AVOID EXPOSURE OF (PREGNANT) WOMEN!
Inhalation	Cough.	Local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes		Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
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. (Extra personal protection: P2 filter respirator for harmful particles.)	F Symbol Xn Symbol N Symbol R: 11-22-50/53 S: (2-)41-46-50-60-61

EMERGENCY RESPONSE	STORAGE
	Provision to contain effluent from fire extinguishing.

IMPORTANT DATA

Physical State; Appearance
COLOURLESS TO WHITE CRYSTALS, WITH CHARACTERISTIC ODOUR.

Chemical dangers
The substance decomposes on burning producing toxic and corrosive fumes including hydrogen chloride.

Occupational exposure limits
TLV not established.

Routes of exposure
The substance can be absorbed into the body by inhalation 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; on spraying or dispersing, however, much faster.

Effects of long-term or repeated exposure
The substance may have effects on the liver, resulting in liver impairment. Animal tests show that this substance possibly causes toxicity to human reproduction or development.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 275-277°C Melting point: 86°C Relative density (water = 1): 1.8 Solubility in water: none Vapour pressure, Pa at 25°C: about 2 Relative vapour density (air = 1): 8.6 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00 Octanol/water partition coefficient as log Pow: 5.03-5.63	The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur in fish, in milk, in plants and in mammals. The substance may cause long-term effects in the aquatic environment. This substance may be hazardous to the environment; special attention should be given to its persistence in soil and its adsorption into sediments.

NOTES

Depending on the degree of exposure, periodic medical examination is suggested.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2003

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Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.

Updated by AS. Approved by EC. Last update: 23.01.2004