ICSC 0809 - CRISTOBALITE

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CRISTOBALITE	ICSC: 0809 (November 2016)
Crystalline silica, cristobalite Crystalline silicon dioxide, cristobalite Crystobalite

CAS #: 14464-46-1

EC Number: 238-455-4

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

PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin	Redness.	Protective clothing.	Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Wear safety goggles or eye protection in combination with breathing protection.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion	No acute symptoms expected.	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. Wash away remainder with plenty of water.	According to UN GHS Criteria DANGER May cause cancer if inhaled Causes damage to the lungs, the immune system and the kidneys through prolonged or repeated exposure if inhaled Transportation UN Classification
STORAGE
Separated from strong oxidants.
PACKAGING

CRISTOBALITE

ICSC: 0809

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS OR WHITE CRYSTALS. Physical dangers Chemical dangers Reacts with strong oxidants. This generates fire and explosion hazard.	Formula: SiO₂ Molecular mass: 60.1 Boiling point: 2230°C Melting point: 1713°C Density: 2.3 g/cm³ Solubility in water: none

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS OR WHITE CRYSTALS.

Physical dangers

Chemical dangers
Reacts with strong oxidants. This generates fire and explosion hazard.

Formula: SiO₂
Molecular mass: 60.1
Boiling point: 2230°C
Melting point: 1713°C
Density: 2.3 g/cm³
Solubility in water: none

EXPOSURE & HEALTH EFFECTS
Routes of exposure Exposure mainly occurs via inhalation. Effects of short-term exposure May cause mechanical irritation to the eyes, respiratory tract and skin.	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 lungs. This may result in silicosis. May cause autoimmune diseases. The substance may have effects on the kidneys. This substance is carcinogenic to humans.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
Exposure mainly occurs via inhalation.

Effects of short-term exposure
May cause mechanical irritation to the eyes, respiratory tract and skin.

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 lungs. This may result in silicosis. May cause autoimmune diseases. The substance may have effects on the kidneys. This substance is carcinogenic to humans.

OCCUPATIONAL EXPOSURE LIMITS
TLV: (respirable fraction): 0.025 mg/m³, as TWA; A2 (suspected human carcinogen). EU-OEL: (respirable fraction): 0.1 mg/m³ as TWA. MAK: carcinogen category: 1

ENVIRONMENT

NOTES
Depending on the degree of exposure, periodic medical examination is suggested. Do NOT take working clothes home.

ADDITIONAL INFORMATION

EC Classification

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