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Substance Name: Urea [USP:JAN]
RN: 57-13-6
UNII: 8W8T17847W
InChIKey: XSQUKJJJFZCRTK-UHFFFAOYSA-N
Note
- A compound 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.
Molecular Formula
- C-H4-N2-O
Molecular Weight
- 60.0556
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
- Diuretic
- Drug / Therapeutic Agent
- Human Data
- Mutation Data
- Reproductive Effect
- Skin / Eye Irritant
- Tumor Data
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Names and Synonyms
Name of Substance
- Carbamide
- Urea
- Urea [USP:JAN]
MeSH Heading
- Urea
Synonyms
- AI3-01202
- Alphadrate
- Antisepsis bolus
- Aqua Care
- Aqua Care HP
- Aquadrate
- B-I-K
- Calmurid
- Carbaderm
- Carbamide
- Carbamide resin
- Carbamimidic acid
- Carbonyl diamide
- Carbonyldiamide
- Carbonyldiamine
- Caswell No. 902
- CCRIS 989
- EC 200-315-5
- EINECS 200-315-5
- EPA Pesticide Chemical Code 085702
- Harnstoff
- Harnstoff [German]
- HSDB 163
- Isourea
- Keratinamin
- Mocovina
- Mocovina [Czech]
- NCI-C02119
- NSC 34375
- Nutraplus
- Pastaron
- Prespersion, 75 urea
- Pseudourea
- Sterile urea
- Supercel 3000
- Ultra Mide
- UNII-8W8T17847W
- UR
- Urea
- Urea-13C
- Ureacin-10 lotion
- Ureacin-20
- Ureacin-40 Creme
- Ureaphil
- Ureophil
- Urepearl
- Urevert
- Varioform II
Systematic Name
- Urea
Superlist Names
- Carbamide
- Urea
- Urea solution
Mixture Names
- Aqua Care
- Cerovel
- Panafil
Registry Numbers
CAS Registry Number
- 57-13-6
FDA UNII
- 8W8T17847W
Other Registry Numbers
- 118548-06-4
- 1202865-46-0
- 1228376-38-2
- 1637232-71-3
- 2060607-07-8
- 30535-50-3
- 860639-56-1
- 923953-70-2
System Generated Number
- 0000057136
Structure Descriptors
InChI
InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)InChIKey
XSQUKJJJFZCRTK-UHFFFAOYSA-NSmiles
NC(=O)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
dog | LDLo | intravenous | 3gm/kg (3000mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1353, 1935. | |
dog | LDLo | subcutaneous | 3gm/kg (3000mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1353, 1935. | |
domestic animals - goat/sheep | LDLo | oral | 511mg/kg (511mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS BEHAVIORAL: TETANY | American Journal of Physiology. Vol. 153, Pg. 41, 1948. |
frog | LDLo | subcutaneous | 600mg/kg (600mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1353, 1935. | |
mouse | LD50 | intravenous | 4600mg/kg (4600mg/kg) | BEHAVIORAL: ANTIPSYCHOTIC BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) | Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 749, 1977. |
mouse | LD50 | oral | 11gm/kg (11000mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 31(12), Pg. 53, 1987. | |
mouse | LD50 | subcutaneous | 9200mg/kg (9200mg/kg) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: ANTIPSYCHOTIC BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) | Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 749, 1977. |
mouse | LDLo | intraperitoneal | 6608mg/kg (6608mg/kg) | BEHAVIORAL: COMA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Journal of Pharmacology and Experimental Therapeutics. Vol. 57, Pg. 19, 1936. |
pigeon | LDLo | subcutaneous | 14800mg/kg (14800mg/kg) | "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation," Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed. Rep. Ger., 1931Vol. -, Pg. -, 1931. | |
rabbit | LDLo | intravenous | 4800mg/kg (4800mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1353, 1935. | |
rabbit | LDLo | oral | 10gm/kg (10000mg/kg) | BLOOD: HEMORRHAGE LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES | Japanese Journal of Veterinary Science. Vol. 15, Pg. 125, 1953. |
rabbit | LDLo | subcutaneous | 3gm/kg (3000mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1353, 1935. | |
rat | LD50 | intraperitoneal | > 5gm/kg (5000mg/kg) | Naunyn-Schmiedebergs Archiv fuer Pharmakologie und Experimentelle Pathologie. Vol. 257, Pg. 296, 1967. | |
rat | LD50 | intratracheal | 567mg/kg (567mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA BLOOD: METHEMOGLOBINEMIA-CARBOXYHEMOGLOBIN BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(3), Pg. 43, 1986. |
rat | LD50 | intravenous | 5300mg/kg (5300mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: ANTIPSYCHOTIC | Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 749, 1977. |
rat | LD50 | oral | 8471mg/kg (8471mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(6), Pg. 8, 1986. | |
rat | LD50 | subcutaneous | 8200mg/kg (8200mg/kg) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: ANTIPSYCHOTIC BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) | Oyo Yakuri. Pharmacometrics. Vol. 13, Pg. 749, 1977. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 132.7 | deg C | EXP | |
pKa Dissociation Constant | 0.1 | (none) | 21 | EXP |
log P (octanol-water) | -2.11E+00 | (none) | EXP | |
Water Solubility | 5.45E+05 | mg/L | 25 | EXP |
Henry's Law Constant | 1.74E-12 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 4.00E-11 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.