ICSC 1589 - CALCIUM SULFATE (ANHYDROUS)

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

CALCIUM SULFATE (ANHYDROUS)

ICSC: 1589
_{April 2005}

Sulfuric acid, calcium salt (1:1)

CAS No: 7778-18-9
RTECS No: WS6920000

CaSO₄
Molecular mass: 136.14

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION

EXPOSURE
Inhalation	Cough.	Local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Abdominal pain.	Do not eat, drink, or smoke during work.	Rinse mouth. Give plenty of water to drink.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Personal protection: P1 filter respirator for inert particles. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.

EMERGENCY RESPONSE	SAFE STORAGE
	Dry.

IMPORTANT DATA
Physical State; Appearance WHITE HYGROSCOPIC POWDER OR CRYSTALLINE POWDER Occupational exposure limits TLV: (particulate matter containing no asbestos and <1% crystalline silica) 10 mg/m³ as TWA; (ACGIH 2005). MAK: (Respirable fraction) 6 mg/m³; (DFG 2004).	Inhalation risk A nuisance-causing concentration of airborne particles can be reached quickly when dispersed. Effects of short-term exposure May cause mechanical irritation. Ingestion may cause gastrointestinal blockage. Effects of long-term or repeated exposure Lungs may be affected by repeated or prolonged exposure to dust particles if crystalline silica is present.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point (decomposes): 1450°C Density: 2.9 g/cm³ Solubility in water, g/100 ml at 20°C: 0.2

NOTES

May contain a small amounts of crystalline silica.
Health effects apply also to hydrated form.
See ICSC 1215 Gypsum.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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