Potassium metavanadate

  • Potassium vanadate
  • Potassium vanadium trioxide
Formula
KVO3
Structure
Description
A colorless to pale green colored crystalline solid.
Uses
Used to make dyes, inks and laundry compounds.

Registry Numbers and Inventories.
CAS
13769-43-2
EC (EINECS/ELINCS)
237-388-8
RTECS
YW1080000
RTECS class
Other
UN (DOT)
2864
Beilstein/Gmelin
372899 (G)
Canada DSL/NDSL
DSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
K2O6V2
Formula mass
138.03
Melting point, °C
497
Density
2.84 g/cm3 (25 C)
Solubility in water
28 g/L

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Keep material out of water sources and sewers.
Stability
No data.
Incompatibilities
Incompatible with acids, strong bases and oxidizing agents.

Fire.
Fire fighting
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Keep run-off water out of sewers and water sources. Use alcohol foam, dry chemical or carbon dioxide.
Fire potential
Non-Combustible
Hazards
Containers may explode when heated. Runoff may pollute waterways.
Combustion products
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Health.
Exposure limit(s)
NIOSH REL: C 0.05 mg V/m3 15-min. Note: REL applies to all V cmpds except V metal and Vanadium carbide). {Vanadium fume} NIOSH REL: C 0.05 mg V/m3 15-minute NIOSH IDLH: 35 mg/m3 (as V) {V fume} 35 mg/m3 (as V)
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
   Skin
Avoid any skin contact. See Inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
2864
Response guide
Hazard class
6.1
Packing Group
II
 
Std. Transport #
4923459