ICSC 1254 - AMMMONIUM BISULFITE

AMMMONIUM BISULFITE	ICSC: 1254 (March 1995)
Sulfurous acid, monoammonium salt Ammonium hydrogen sulfite

CAS #: 10192-30-0

UN #: 2693 (bisulfites, aqueous solution)

EC Number: 233-469-7

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


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use ventilation (not if powder), local exhaust or breathing protection.
Skin		Protective gloves.
Eyes		Wear safety spectacles.
Ingestion		Do not eat, drink, or smoke during work.

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 Transportation UN Classification UN Hazard Class: 8; UN Pack Group: III
STORAGE
Separated from strong oxidants, acids and food and feedstuffs. Well closed.
PACKAGING
Do not transport with food and feedstuffs.

AMMMONIUM BISULFITE

ICSC: 1254

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS-TO-YELLOW CRYSTALS. Physical dangers Chemical dangers Decomposes on heating and on contact with acids. This produces toxic fumes including sulfur oxides, nitrogen oxides and ammonia. Reacts violently with oxidants. Attacks many metals in the presence of water.	Formula: H₅NO₃S/NH₄HSO₃ Molecular mass: 99.1 Decomposes at 150°C Relative density (water = 1): 2.0 Solubility in water, g/100ml at 10°C: 267

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS-TO-YELLOW CRYSTALS.

Physical dangers

Chemical dangers
Decomposes on heating and on contact with acids. This produces toxic fumes including sulfur oxides, nitrogen oxides and ammonia. Reacts violently with oxidants. Attacks many metals in the presence of water.

Formula: H₅NO₃S/NH₄HSO₃
Molecular mass: 99.1
Decomposes at 150°C
Relative density (water = 1): 2.0
Solubility in water, g/100ml at 10°C: 267

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure	Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT

NOTES
Mainly sold as aqueous solution. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.

ADDITIONAL INFORMATION

EC Classification

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    See Also:
       Toxicological Abbreviations