Divanadium trioxide
Vanadium sesquioxide
Vanadic oxide
Vanadium(III) oxide
V2O3
Molecular mass: 149.9
ICSC # 0455
CAS # 1314-34-7
RTECS # YW3050000
UN # 3285
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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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PREVENT DISPERSION OF DUST!
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•Inhalation
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Sore throat.
Cough.
Symptoms may be delayed (see Notes).
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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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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.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
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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Personal protection: P3 filter respirator for toxic particles.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
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Separated from food and feedstuffs.
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: III
Signal: Warning
Excl mark-Health haz
Harmful if inhaled dust
Suspected of causing cancer
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Important Data
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Physical State; Appearance:
BLACK POWDER.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
toxic fumes
(vanadium oxides).
Occupational Exposure Limits:
TLV not established.
MAK (V and its inorganic compounds):
Carcinogen category: 2; Germ cell mutagen group: 2
(DFG 2005).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the respiratory tract
, resulting in chronic rhinitis and chronic bronchitis.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Melting point: 1970°C
Density: 4.87 g/cm3
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Solubility in water, g/100 ml at 20°C: 0.01
(very poor)
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Environmental
Data
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Respiratory symptoms may be delayed 1 day or more.
See also ICSC 0596 Vanadium pentoxide.
Transport Emergency Card: TEC (R)-61GT5-III
Card has been partially updated in January 2008: see GHS classification.
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ADDITIONAL INFORMATION
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ICSC: 0455
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VANADIUM TRIOXIDE
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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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