Agent Name

Urea nitrate

CAS Number

124-47-0

Formula

C-H4-N2-O.H-N-O3

Major Category

Nitrogen Compounds

Synonyms

Acidogen nitrate; Urea mononitrate; Urea nitrate (wet); Urea, mononitrate; Uronium nitrate; [ChemIDplus] UN0220; UN1357

Category

Nitrates and Nitrites

Description

Colorless or white odorless solid; [HSDB] Colorless to white odorless crystalline powder; [MSDSonline]

Sources/Uses

Used as a sensitizer for explosives, fertilizer, and organic reagent; [Merck Index] Used to make urethane; [HSDB]

Comments

May explode on exposure to heat, flames, or shock; [Merck Index] A mild skin and mucous membrane irritant; Emergency treatment: Methemoglobinemia; [HSDB] A strong oxidizing agent; Explosive and easily ignited; Rapidly burns producing toxic nitrogen oxides; [CAMEO] Wetted with approximately 25% water: A strong oxidizing agent; High risk of explosion by heating, shock, and static discharge; Classified as Class A Explosive (UN0220) when dried below 20% water content; An irritant; [MSDSonline]

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Urea nitrate, wetted with not less than 20% water."

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.