Pyrophosphoric acid
Agent Name
Pyrophosphoric acid
CAS Number
2466-09-3
Formula
H4-O7-P2
Major Category
Toxic Gases & Vapors
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.