ICSC 1374 - TETRACHLOROPHTHALIC ANHYDRIDE

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TETRACHLOROPHTHALIC ANHYDRIDE	ICSC: 1374 (March 2001)
4,5,6,7-Tetrachloro-1,3-isobenzofurandione 1,3-Dioxy-4,5,6,7-tetrachloroisobenzofuran

CAS #: 117-08-8

EC Number: 204-171-4

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Use water spray, powder.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Sore throat. Wheezing. Shortness of breath.	Use local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Refer for medical attention.
Skin	Redness. Burning sensation.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes	Redness. Pain. Blurred vision.	Wear safety goggles or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Burning sensation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Do NOT induce vomiting.

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. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Dry. Well closed.
PACKAGING

TETRACHLOROPHTHALIC ANHYDRIDE

ICSC: 1374

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE POWDER. Physical dangers Chemical dangers Reacts slowly with water. This produces acid.	Formula: C₈Cl₄O₃ / C₆Cl₄(CO)₂O Molecular mass: 285.9 Boiling point: 371°C Melting point: 255°C Solubility in water, g/100ml at 20°C: 0.4 Flash point: 362°C c.c.

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE POWDER.

Physical dangers

Chemical dangers
Reacts slowly with water. This produces acid.

Formula: C₈Cl₄O₃ / C₆Cl₄(CO)₂O
Molecular mass: 285.9
Boiling point: 371°C
Melting point: 255°C
Solubility in water, g/100ml at 20°C: 0.4
Flash point: 362°C c.c.

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract.	Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. Effects of long-term or repeated exposure Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract.

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES
The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Anyone who has shown symptoms of asthma due to this substance should avoid all further contact.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn, N; R: 41-42/43-50/53; S: (2)-22-24-26-37/39-60-61

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