Pyrophosphoric acid

Agent Name
Pyrophosphoric acid
CAS Number
2466-09-3
Formula
H4-O7-P2
Major Category
Toxic Gases & Vapors
Pyrophosphoric acid formula graphical representation
Synonyms
Diphosphoric acid; [ChemIDplus] UN3260
Category
Acids, Inorganic
Description
Hygroscopic solid; [Merck Index] Light yellow hygroscopic solid; [Acros Organics MSDS]
Sources/Uses
Pyrophosphates are used with technetium 99m for bone scanning; [REPROTOX]
Comments
Causes somnolence, ataxia, and dyspnea in oral lethal-dose studies of rats; [RTECS] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Acros Organics MSDS]
Biomedical References

Exposure Assessment

Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, inorganic, n.o.s."

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.