Ammonium metatungstate hexahydrate

  • Ammonium tungsten oxide, hydrate
  • Hexaammonium wolframate
Formula
(H4N)6.H2O40W12
Description
White powder.

Registry Numbers and Inventories.
CAS
12028-48-7
EC (EINECS/ELINCS)
234-733-4
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Korea ECL
Listed

Properties.
Formula
H36N6O30W7
Formula mass
2956.42

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Small spills/leaks
Pick up mechanically.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents.

Fire.
Fire fighting
Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.
Fire potential
Product is not flammable.
Combustion products
Nitrogen oxides, metal oxide fumes.
Health
1
 
Flammability
0
 
 
Reactivity
1
 

Health.
Exposure limit(s)
ACGIH TLV: 5 mg/m3 (as W)
Exposure effects
   Inhalation
May cause irritation. Chronic exposure may result in permanent lung damage.
   Skin
May cause irritation.
   Eyes
May be irritating

First aid
 
   Ingestion
Seek medical treatment.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.