ICSC 1589 - CALCIUM SULFATE (ANHYDROUS)

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CALCIUM SULFATE (ANHYDROUS)	ICSC: 1589 (November 2009)
Sulfuric acid, calcium salt (1:1)

CAS #: 7778-18-9

EC Number: 231-900-3

	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.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal pain.	Do not eat, drink, or smoke during work.	Rinse mouth. Give one or two glasses of water to drink.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.	According to UN GHS Criteria No hazard classification according to GHS criteria Transportation UN Classification
STORAGE
Dry.
PACKAGING

CALCIUM SULFATE (ANHYDROUS)

ICSC: 1589

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE HYGROSCOPIC POWDER OR CRYSTALLINE POWDER. Physical dangers Chemical dangers	Formula: CaSO₄ Molecular mass: 136.14 Decomposes at 1450°C Density: 2.9 g/cm³ Solubility in water, g/100ml at 20°C: 0.2 (very good)

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE HYGROSCOPIC POWDER OR CRYSTALLINE POWDER.

Physical dangers

Chemical dangers

Formula: CaSO₄
Molecular mass: 136.14
Decomposes at 1450°C
Density: 2.9 g/cm³
Solubility in water, g/100ml at 20°C: 0.2 (very good)

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure May cause mechanical irritation. Ingestion could cause gastrointestinal blockage.	Inhalation risk A nuisance-causing concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure Lungs may be affected by repeated or prolongated exposure to dust particles if crystalline silica is present.

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
May cause mechanical irritation. Ingestion could cause gastrointestinal blockage.

Inhalation risk
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.

Effects of long-term or repeated exposure
Lungs may be affected by repeated or prolongated exposure to dust particles if crystalline silica is present.

OCCUPATIONAL EXPOSURE LIMITS
TLV: (inhalable fraction): 10 mg/m³, as TWA. MAK: (inhalable fraction): 4 mg/m³; pregnancy risk group: C. MAK: (respirable fraction): 1.5 mg/m³; pregnancy risk group: C

ENVIRONMENT

NOTES
May contain a small amounts of crystalline silica. See ICSCs 1215 and 1734.

ADDITIONAL INFORMATION

EC Classification

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