ICSC 1323 - CALCIUM FLUORIDE

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CALCIUM FLUORIDE	ICSC: 1323 (March 1999)
Calcium difluoride

CAS #: 7789-75-5

EC Number: 232-188-7

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible.		In case of fire in the surroundings, use appropriate extinguishing media.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use ventilation (not if powder), local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves.	Rinse and then wash skin with water and soap.
Eyes		Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth.

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. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from mineral acids.
PACKAGING

CALCIUM FLUORIDE

ICSC: 1323

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS CRYSTALS OR WHITE HYGROSCOPIC POWDER. Physical dangers No data. Chemical dangers On combustion, forms toxic fumes of fluoride. Reacts with mineral acids. This produces corrosive fumes.	Formula: CaF₂ Molecular mass: 78.1 Boiling point: 2500°C Melting point: 1403°C Density: 3.2 g/cm³ Solubility in water at 20°C: none

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS OR WHITE HYGROSCOPIC POWDER.

Physical dangers
No data.

Chemical dangers
On combustion, forms toxic fumes of fluoride. Reacts with mineral acids. This produces corrosive fumes.

Formula: CaF₂
Molecular mass: 78.1
Boiling point: 2500°C
Melting point: 1403°C
Density: 3.2 g/cm³
Solubility in water at 20°C: none

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. Effects of short-term exposure	Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure

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

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: (as F): 2.5 mg/m³, as TWA; A4 (not classifiable as a human carcinogen); BEI issued. EU-OEL: (as F): 2,5 mg/m³ as TWA. MAK: (inhalable fraction, as F): 1 mg/m³; peak limitation category: II(4); skin absorption (H); pregnancy risk group: C

ENVIRONMENT

NOTES
Calcium fluoride minerals are mined as fluorite and fluospar.

ADDITIONAL INFORMATION

EC Classification

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