ICSC 0051 - HEXACHLOROETHANE

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HEXACHLOROETHANE	ICSC: 0051 (November 2010)
Perchloroethane Carbon hexachloride

CAS #: 67-72-1

UN #: 3077;(NOS)

EC Number: 200-666-4

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media. In case of fire: keep drums, etc., cool by spraying with water.

PREVENT DISPERSION OF DUST! PREVENT GENERATION OF MISTS!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety goggles.	Rinse with plenty of water for several minutes (remove contact lenses if easily possible). Refer for medical attention.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria DANGER Harmful if swallowed May cause drowsiness or dizziness Causes damage to the central nervous system, the kidneys and the liver through prolonged or repeated exposure Very toxic to aquatic life Transportation UN Classification UN Hazard Class: 9; UN Pack Group: III
STORAGE
Separated from strong oxidants, alkali metals and food and feedstuffs. See Chemical Dangers. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
PACKAGING

HEXACHLOROETHANE

ICSC: 0051

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS CRYSTALS WITH CHARACTERISTIC ODOUR. Physical dangers Chemical dangers Decomposes above 300°C . This produces toxic and corrosive fumes of phosgene (see ICSC 0007) and hydrogen chloride (see ICSC 0163). Reacts with zinc, aluminium powder and sodium. Reacts violently with alkali metals and strong oxidants.	Formula: C₂Cl₆ / Cl₃CCCl₃ Molecular mass: 236.7 Sublimation point: 183-185°C Relative density (water = 1): 2.1 Solubility in water: none Vapour pressure, Pa at 20°C: 53 Relative vapour density (air = 1): 8.2 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0 Octanol/water partition coefficient as log Pow: 3.9

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS WITH CHARACTERISTIC ODOUR.

Physical dangers

Chemical dangers
Decomposes above 300°C . This produces toxic and corrosive fumes of phosgene (see ICSC 0007) and hydrogen chloride (see ICSC 0163). Reacts with zinc, aluminium powder and sodium. Reacts violently with alkali metals and strong oxidants.

Formula: C₂Cl₆ / Cl₃CCCl₃
Molecular mass: 236.7
Sublimation point: 183-185°C
Relative density (water = 1): 2.1
Solubility in water: none
Vapour pressure, Pa at 20°C: 53
Relative vapour density (air = 1): 8.2
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Octanol/water partition coefficient as log Pow: 3.9

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by ingestion. Effects of short-term exposure The vapour is irritating to the eyes.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure The substance may have effects on the liver and kidneys. The substance may have effects on the central nervous system. This may result in ataxia and tremors. Tumours have been detected in experimental animals but may not be relevant to humans.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion.

Effects of short-term exposure
The vapour is irritating to the eyes.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed.

Effects of long-term or repeated exposure
The substance may have effects on the liver and kidneys. The substance may have effects on the central nervous system. This may result in ataxia and tremors. Tumours have been detected in experimental animals but may not be relevant to humans.

OCCUPATIONAL EXPOSURE LIMITS
TLV: 1 ppm as TWA; (skin); A3 (confirmed animal carcinogen with unknown relevance to humans). MAK: 9.8 mg/m³, 1 ppm; skin absorption (H); peak limitation category: II(2); pregnancy risk group: C; carcinogen category: 3

ENVIRONMENT
The substance is very toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment.

NOTES
Use of alcoholic beverages enhances the harmful effect. The odour warning when the exposure limit value is exceeded is insufficient. Do NOT use in the vicinity of a fire or a hot surface, or during welding.

ADDITIONAL INFORMATION

EC Classification

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