Ammonium molybdophosphate

  • Triammonium molybdophosphate
  • Triammonium 12-molybdophosphate
  • Molybdate(3-), tetracosa-m-oxododecaoxo[m12-[phosphato(3-)-kO:kO:kO:kO':kO':kO':kO'':kO'':kO'':kO''':kO''':kO''']]dodeca-, triammonium
  • Ammonium phosphomolybdate
Formula
(NH4)3PO4Mo12O36
Description
Odorless, yellow powder.
Uses
Substance is used in phosphorus analysis.

Registry Numbers and Inventories.
CAS
12026-66-3
EC (EINECS/ELINCS)
234-714-0
Merck
12,579
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
H12Mo12N3O40P
Formula mass
1876.35
Solubility in water
0.2 g/L

Hazards and Protection.
Protection
Wear goggles and rubber gloves
Small spills/leaks
Moisten spill with water and take up by sweeping. Avoid formation of dust. Disposal of small quantities to solid waste. Wash area with water.
Stability
Stable at normal temperatures and pressures.

Fire.
Fire fighting
Fight surrounding fire. Wear SCBA
Fire potential
Not flammable
Combustion products
Undergoes partial decomposition in general fire conditions. Fumes may contain NOx.

Health.
Exposure limit(s)
NIOSH PEL: 5 mg/m3 (as Mo)
Exposure effects
   Ingestion
Moderately toxic.
   Inhalation
Moderately toxic.
   Skin
Causes irritation.
   Eyes
Causes irritation.

First aid
 
   Ingestion
If swallowed, give water or milk to drink and induce vomiting. Call a physician.
   Skin
Wash thoroughly with water after contact.
   Eyes
Wash thoroughly with water after contact. If irritation percists, see a physician.

Transport.