Semicarbazide

Modify Date: 2025-08-20 12:54:25

Semicarbazide Structure
Semicarbazide structure
 Common Name Semicarbazide
CAS Number 57-56-7 Molecular Weight 75.070
Density 1.7±0.1 g/cm3 Boiling Point 186.3±23.0 °C at 760 mmHg
Molecular Formula CH5N3O Melting Point 175-185ºC /decomposes/
MSDS Chinese USA Flash Point 66.5±22.6 °C

 Names

Name semicarbazide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 186.3±23.0 °C at 760 mmHg
Melting Point 175-185ºC /decomposes/
Molecular Formula CH5N3O
Molecular Weight 75.070
Flash Point 66.5±22.6 °C
Exact Mass 75.043259
PSA 81.14000
LogP -1.61
Vapour Pressure 0.2±0.8 mmHg at 25°C
Index of Refraction 1.602
InChIKey DUIOPKIIICUYRZ-UHFFFAOYSA-N
SMILES NNC(N)=O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VT2975000
CHEMICAL NAME :
Semicarbazide
CAS REGISTRY NUMBER :
57-56-7
BEILSTEIN REFERENCE NO. :
0506319
LAST UPDATED :
199701
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C-H5-N3-O
MOLECULAR WEIGHT :
75.09
WISWESSER LINE NOTATION :
ZVMZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
40 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
176 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
123 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
105 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
126 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
25 gm/kg/30W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TYPE OF TEST :
DNA repair
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
125 ug/well
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 133,161,1984

 Safety Information

Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn
Risk Phrases 22
Safety Phrases S22
RIDADR NONH for all modes of transport
WGK Germany 3

 Articles45

More Articles
Rapid detection of economic adulterants in fresh milk by liquid chromatography-tandem mass spectrometry.

J. Chromatogr. A. 1288 , 10-20, (2013)

A method to aid in the detection of the economically driven adulteration of fresh milk with a range of small, nitrogen containing compounds, including melamine, ammeline, ammelide, cyanuric acid, alla...

Sphingosine 1-phosphate mediates hyperalgesia via a neutrophil-dependent mechanism.

PLoS ONE 8(1) , e55255, (2013)

Novel classes of pain-relieving molecules are needed to fill the void between non-steroidal anti-inflammatory agents and narcotics. We have recently shown that intraplantar administration of sphingosi...

Functional modulation of vascular adhesion protein-1 by a novel splice variant.

PLoS ONE 8(1) , e54151, (2013)

Vascular Adhesion Protein-1 (VAP-1) is an endothelial adhesion molecule belonging to the primary amine oxidases. Upon inflammation it takes part in the leukocyte extravasation cascade facilitating tra...

 SemicarbazideBioassay

View more

Name: qHTS to identify inhibitors of the New Delhi Metallo-beta-lactamase (NDM): assay vali...
Source: NCGC
External Id: adst_MBL_Abs_LOPAC_o1
Name: Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident pro...
Source: NCGC
Target: N/A
External Id: SERCaMPGLuc-p1-antagonist
Name: qHTS Assay for Inhibitors of the Phosphatase Activity of Eya2
Source: NCGC
Target: eyes absent homolog 2 isoform a [Homo sapiens]
External Id: EYA2477
Name: Primary qHTS assay for inhibitors of alpha-synuclein gene (SNCA) expression
Source: NCGC
External Id: SNCA-p-activity-luciferase
Name: qHTS Validation Assay for Inhibitors of Ubiquitin-specific Protease USP2a Using CHOP2...
Source: NCGC
Target: ubiquitin carboxyl-terminal hydrolase 2 isoform a [Homo sapiens]
External Id: UBCH001
Name: qHTS assay for measurement of the activity of small molecule inhibitors on Zika virus...
Source: NCGC
Target: N/A
External Id: ZIK159
Name: Calculated partition coefficient (clogP)
Source: ChEMBL
Target: N/A
External Id: CHEMBL646684
Name: The chemical genetic matrix (CGM) dataset as reported in Wildenhain et al. (2015) Pre...
Source: 11924
Target: N/A
External Id: CGM data for Cell Systems paper Dec 2015
Name: qHTS screen for enhancers of Arylsulfatase A (ASA1): LOPAC Validation Assay
Source: NCGC
Target: arylsulfatase A [Homo sapiens]
External Id: asa1-v2
Name: Antinociceptive activity in Swiss mouse assessed inhibition of formaldehyde-induced p...
Source: ChEMBL
Target: Mus musculus
External Id: CHEMBL1959789
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 Synonyms

aminourea
Urea,amino
Aminomocovina
Carbazamide
Semikarbazid
MFCD00042824
Carbazinamide
EINECS 200-339-6
amino-ure
Hydrazinecarboxamide
Carbamylhydrazine
Semicarbazide
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Chemsrc provides Semicarbazide(CAS#:57-56-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Semicarbazide are included as well.>> amp version: Semicarbazide

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