Stannous fluoride
Tin bifluoride
Tin difluoride
SnF2
Molecular mass: 156.7
ICSC # 0860
CAS # 7783-47-3
RTECS # XQ3450000
UN # 3288
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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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Cough.
Sore throat.
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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
or
eye protection in combination with breathing protection.
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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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Abdominal pain.
Burning sensation.
Shock or collapse.
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Do not eat, drink, or smoke during work.
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Give one or two glasses of water to drink.
Do NOT induce vomiting.
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 covered containers.
Personal protection: P2 filter respirator for harmful particles.
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Separated from acids, chlorine and food and feedstuffs.
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
WHITE
CRYSTALLINE POWDER.
Physical Dangers:
Chemical Dangers:
Reacts
with
acids
to produce
hydrogen fluoride
.
Reacts
violently with
chlorine
causing fire hazard.
Occupational Exposure Limits:
TLV: (as Sn, oxide and inorganic compounds, except tin hydride) 2 mg/m3 as TWA; (ACGIH 2004). TLV: (as F) 2.5 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
EU OEL: (Tin inorganic compounds, as Sn) 2 mg/m3 as TWA (EU 2004). EU OEL: (Fluorides inorganic) 2.5 mg/m3 as TWA (EU 2000).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of Short-Term Exposure:
Corrosive on ingestion.
The substance
is irritating to
the eyes
.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the teeth and bones (fluorosis).
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Physical
Properties
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Boiling point: 850°C
Melting point: 213°C
Density: 4.57
g/cm3
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Solubility in water, g/100 ml at 20°C: 30
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Environmental
Data
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N O T E S
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Transport Emergency Card: TEC (R)-61GT5-III
Card has been partially updated in November 2008: see Occupational Exposure Limits, Ingestion First Aid.
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ADDITIONAL INFORMATION
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ICSC: 0860
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TIN (II) FLUORIDE
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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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