Sal ammoniac
NH4Cl
Molecular mass: 53.5
ICSC # 1051
CAS # 12125-02-9
RTECS # BP4550000
EC # 017-014-00-8
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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: all extinguishing agents allowed.
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Explosion
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Exposure
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•Inhalation
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Cough.
Sore throat.
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Ventilation (not if powder), local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety spectacles.
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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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Nausea.
Sore throat.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty of water to drink.
Rest.
Refer for medical attention.
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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 containers.
Wash away remainder with plenty of water.
(Extra personal protection: P2 filter respirator for harmful particles).
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Separated from ammonium nitrate, potassium chlorate.
Dry.
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Xn symbol
R: 22-36
S: 2-22
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Important Data
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Physical State; Appearance:
ODOURLESS,
COLOURLESS
TO WHITE
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HYGROSCOPIC
SOLID IN VARIOUS FORMS.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing toxic and irritating fumes (nitrogen oxides, ammonia and hydrogen chloride).
The solution in water is a weak acid.
Reacts
violently with ammonium nitrate and potassium chlorate
causing fire and explosion hazard.
Attacks copper and its compounds.
Occupational Exposure Limits:
TLV (as fume): 10 mg/m3 (as TWA); 20 mg/m3 (as STEL) (ACGIH 1998).
MAK not established.
OSHA PEL: none
NIOSH REL: TWA 10 mg/m3 ST 20 mg/m3
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its dust or fume
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance
irritates
the eyes,
the skin and
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 520°C
Melting point (decomposes): 338°C
Density: 1.5
g/cm3
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Solubility in water, g/100 ml at 25°C: 28.3
Vapour pressure, kPa at 160°C: 0.13
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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NFPA Code: H 1; F 0; R 0;
Transport Emergency Card: TEC (R)-90G02
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ADDITIONAL INFORMATION
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ICSC: 1051
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AMMONIUM CHLORIDE
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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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