Agent Name

Urea

CAS Number

57-13-6

Formula

C-H4-N2-O

Major Category

Nitrogen Compounds

Synonyms

Alphadrate; Aqua Care; Aqua Care HP; Aquadrate; B-I-K; Calmurid; Carbaderm; Carbamide; Carbamide resin; Carbamimidic acid; Carbonyl diamide; Carbonyldiamide; Carbonyldiamine; Harnstoff [German]; Isourea; Keratinamin; Mocovina [Czech]; Nutraplus; Pastaron; Prespersion, 75 urea; Pseudourea; Supercel 3000; UR; Ultra Mide; Urea; Urea-13C; Ureacin-10 lotion; Ureacin-20; Ureacin-40 Creme; Ureaphil; Ureophil; Urepearl; Urevert; Varioform II; [ChemIDplus]

Category

Other Nitrogen Compounds

Description

White solid with a characteristic odor; [ICSC]

Sources/Uses

"A compound (CO(NH2)2), formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids." [ChemIDplus] Used as a mordant in textile dyeing; [www.ci.tucson.az.us/arthazards/medium.html] Used to make fertilizer, feed additives, urea-formaldehyde resins and pharmaceuticals; Humans excrete 20-35 grams per day and have blood levels of 200-400 mg/L. [AIHA]

Comments

A skin, eye, and respiratory tract irritant; [ICSC] An eye irritant; [CAMEO]

Exposure Assessment
WEEL

10 mg/m3

Vapor Pressure

1.2E-5 mm Hg

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