Sulfamic acid, monoammonium salt
Ammonium amidosulfonate
Ammonium sulfamidate
H6N2O3S / NH4OSO2NH2
Molecular mass: 114.1
ICSC # 1555
CAS # 7773-06-0
RTECS # WO6125000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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•Inhalation
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety goggles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into covered containers.
Then wash away with plenty of water.
Personal protection: P2 filter respirator for harmful particles.
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Dry.
Well closed.
Separated from
strong oxidants,
acids.
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Important Data
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Physical State; Appearance:
COLOURLESS
TO WHITE
HYGROSCOPIC
CRYSTALLINE POWDER
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating above 160°C
producing
ammonia
,
nitrogen oxides
and
sulfur oxides
.
The solution in water is a weak acid.
Attacks mild steel.
Contact with hot water may cause formation of large amounts of steam.
Reacts
with
acids
and
strong oxidants
.
Occupational Exposure Limits:
TLV: 10 mg/m3 as TWA; (ACGIH 2004).
MAK: IIb, value not established but data is available (DFG 2004).
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH IDLH: 1500 mg/m3 See: 7773060
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Routes of Exposure:
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point (decomposes): 160°C
Melting point: 131°C
Relative density (water = 1): 1.8
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Solubility in water: very good
Vapour pressure, Pa at 20 °C: negligible
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 1555
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AMMONIUM SULFAMATE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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