ICSC 1403 - MAGNESIUM STEARATE

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

MAGNESIUM STEARATE

ICSC: 1403
_{October 2001}

Octadecanoic acid, magnesium salt
Dibasic magnesium stearate

CAS No: 557-04-0
RTECS No: WI4390000

C₃₆H₇₀MgO₄ / Mg(C₁₈H₃₅O₂)₂
Molecular mass: 591.3

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION	Finely dispersed particles form explosive mixtures in air.	Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.

EXPOSURE		PREVENT DISPERSION OF DUST!
Inhalation	Cough.	Local exhaust.	Fresh air, rest.
Skin		Protective gloves.
Eyes		Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Vomiting.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Rest.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. (Extra personal protection: P1 filter respirator for inert particles.)

EMERGENCY RESPONSE	STORAGE

IMPORTANT DATA

Physical State; Appearance
WHITE POWDER

Physical dangers
Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

Chemical dangers
The substance decomposes on burning, producing irritating fumes.

Occupational exposure limits
TLV: (as stearate) 10 mg/m³ as TWA A4 (ACGIH 2001).
MAK not established.

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

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

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point: 88°C Density: 1.02 g/cm³ Solubility in water: none Flash point: see Notes

NOTES

The substance is combustible but no flash point is available in literature.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2002

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Updated by AS. Approved by EC. Last update: 22.03.2002