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]

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

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.