AMMONIUM FLUORIDE 1223
April 2004
CAS No: 12125-01-8 Neutral ammonium fluoride
NH4F
RTECS No: BQ6300000
Molecular mass: 37.0
UN No: 2505
EC No: 009-006-00-8
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
FIRE Not combustible. Gives off irritating In case of fire in the surroundings:
or toxic fumes (or gases) in a fire. water in large amounts to knock
down acid vapors, then use
appropriate extinguishing agent.
EXPLOSION
EXPOSURE PREVENT DISPERSION OF DUST!
Inhalation Cough. Sore throat. Local exhaust or breathing protection. Fresh air, rest. Refer for medical
attention.
Skin Redness. Protective gloves. Remove contaminated clothes.
Rinse skin with plenty of water or
shower.
Eyes Redness. Pain. Face shield or eye protection in First rinse with plenty of water for
combination with breathing protection several minutes (remove contact
if powder. lenses if easily possible), then take to
a doctor.
Ingestion Diarrhoea. Nausea. Vomiting. Do not eat, drink, or smoke during Rinse mouth. Do NOT induce
Abdominal pain. Burning sensation. work. vomiting. Give plenty of water to
Shock or collapse. drink. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into dry plastic containers. T Symbol Do not transport with food and
Carefully collect remainder, then remove to safe R: 23/24/25 feedstuffs.
place. Personal protection: P3 filter respirator for toxic S: (1/2-)26-45
particles. Do NOT let this chemical enter the UN Hazard Class: 6.1
environment. UN Pack Group: III
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT5-III Separated from incompatible materials, food and feedstuffs. See Chemical
NFPA Code: H3; F0; R0 Dangers. Dry. Well closed.
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission 漏
IPCS 2005
International
Programme on
SEE IMPORTANT INFORMATION ON THE BACK.
Chemical Safety
1223 AMMONIUM FLUORIDE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
COLOURLESS CRYSTALS OR WHITE POWDER. The substance can be absorbed into the body by inhalation of its
aerosol and by ingestion.
Chemical dangers
Inhalation risk
The substance decomposes on heating producing toxic and
corrosive fumes including hydrogen fluoride and ammonia. The No indication can be given about the rate in which a harmful
solution in water is a weak acid. Reacts with chlorine trifluoride concentration in the air is reached on evaporation of this
causing explosion hazard. Attacks glass and metal. substance at 20/C.
Occupational exposure limits Effects of short-term exposure
TLV: (as fluorine) 2.5 mg/m 3 as TWA; A4 (not classifiable as a The substance is irritating to the eyes, the skin and the respiratory
human carcinogen); BEI issued; (ACGIH 2004). tract. Corrosive on ingestion.
MAK: (as F) (Inhalable fraction) 1 mg/m 3; Peak limitation category:
I(4); skin absorption (H); Pregnancy risk group: C; (DFG 2005). Effects of long-term or repeated exposure
The substance may have effects on the bones and teeth,
resulting in fluorosis.
PHYSICAL PROPERTIES
Melting point: sublimes Solubility in water, g/100 ml at 25/C: 45.3
Density: 1.01 g/cm3
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.
NOTES
Card has been partly updated in April 2005 and October 2005. See section Occupational Exposure Limits.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2005
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