Ferric pyrophosphate

  • Iron(III) pyrophosphate
  • Diphosphoric acid, iron(3+) salt (3:4)
  • Sunactive Fe
Formula
Fe4(P2O7)3
Structure
Description
Yellow powder.
Uses
Catalyst, in fireproofing of synthetic fibers, in corrosion-preventing pigments, hematinic agent.

Registry Numbers and Inventories.
CAS
10058-44-3
EC (EINECS/ELINCS)
233-190-0
Merck
12,4075
Beilstein/Gmelin
20723 (G)
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
Fe4O21P6
Formula mass
745.22

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
Chemical resistant gloves, ANSI approved goggles and protective clothing.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
While wearing protective equipment, sweep up and place in a bag. Store for later disposal. Avoid dust generation.
Stability
Stable at normal temperatures and pressures.
Decomposition
Oxides of carbon and phosphorus.

Fire.
Fire fighting
Extinguish fire with water spray, carbon dioxide, dry chemical powder or appropriate foam. Use NIOSH approved SCBA and protective clthing.
Combustion products
Emits toxic fumes under fire conditions.

Health.
Exposure effects
Blood pressure may be decreased following an iron overdose. Lethargy, restlessness or confusion may be seen early in the poisoning. Convulsions and coma may occur in later phases. Case reports of pregnant women who have received early aggressive treatment (decontamination and/or deferoxamine) have described good fetal outcomes.
   Ingestion
Nausea, vomiting, diarrhea and gastrointestinal hemorrhage may develop.
   Inhalation
Noncardiogenic pulmonary edema may develop with severe intoxication.
   Skin
Severe thermal burn with ferrous sulfate slurry has caused classical symptoms of ingested iron poisoning.
   Eyes
May cause irritation.

First aid
 
   Ingestion
Wash mouth out with water provided person is concous. Seek medical assistance.
   Inhalation
Remove to fresh air. If breathing becomse difficult, seek medical aid.
   Skin
Flush with copious amounts of water. Remove contaminated clothing and shoes.
   Eyes
FLush with water for at least 15 minutes.

Transport.