ICSC 1044 - SODIUM BICARBONATE

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SODIUM BICARBONATE

ICSC: 1044
_{April 2004}

Carbonic acid monosodium salt
Baking soda
Bicarbonate of soda
Sodium hydrogen carbonate
Sodium acid carbonate

CAS No: 144-55-8
RTECS No: VZ0950000

NaHCO₃
Molecular mass: 84.0

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRE FIGHTING
FIRE	Not combustible.		In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION

EXPOSURE
Inhalation
Skin
Eyes	Redness.	Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water.

EMERGENCY RESPONSE	STORAGE
	Separated from acids.

IMPORTANT DATA
Physical State; Appearance WHITE SOLID IN VARIOUS FORMS. Chemical dangers The solution in water is a weak base. Reacts with acids. Occupational exposure limits TLV not established. MAK not established.	Routes of exposure The substance can be absorbed into the body by ingestion. Inhalation risk Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed, especially, if powdered. Effects of short-term exposure The substance is mildly irritating to the eyes.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point (decomposes): 50°C Density: 2.1 g/cm³ Solubility in water, g/100 ml at 20°C: 8.7

NOTES

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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Updated by AS. Approved by EC. Last update: 05.07.2004