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Semicarbazide hydrochloride

CAS No.
563-41-7
Chemical Name:
Semicarbazide hydrochloride
Synonyms
SEM;SEMICARBAZIDE HCL;AMINOUREA HYDROCHLORIDE;SEM·HCl;SCA-HCl;SEMICARBAZIDE HYDROCHLORIDE REAGENT;HYDRAZINE CARBOXAMIDE MONOHYDROCHLORIDE;Semicarbaside;Semicarbazide-13C;15N2, 98%) 100 UG/
CBNumber:
CB8213684
Molecular Formula:
CH6ClN3O
Molecular Weight:
111.53
MDL Number:
MFCD00013009
MOL File:
563-41-7.mol
MSDS File:
SDS
Last updated:2026-03-13 23:13:44
Product description Number Pack Size Price
Semicarbazide hydrochloride for synthesis 8.18369 100g $40.8
Semicarbazide hydrochloride for synthesis 8.18369 500g $190
Semicarbazide hydrochloride VETRANAL?, analytical standard 33656 100mg $95.8
Semicarbazide hydrochloride purum p.a., ≥98.0% (AT) 84940 100g $46.5
Semicarbazide Hydrochloride >99.0%(T) S0032 25g $21
More product size

Semicarbazide hydrochloride Properties

Melting point 175-177 °C (dec.)(lit.)
Boiling point 394.09℃[at 101 325 Pa]
bulk density 740kg/m3
Density 1.2908 (rough estimate)
vapor pressure 0-0Pa at 25℃
refractive index 1.4480 (estimate)
storage temp. Store at +15°C to +25°C.
solubility H2O: 0.1 g/mL at 20 °C, clear, colorless
form Crystalline Powder and/or Chunks
color White
PH 1.5 (100g/l, H2O, 20℃)
Water Solubility 100 g/L (15 ºC)
Merck 14,8444
BRN 3593642
Stability Stable. Incompatible with strong oxidizing agents, strong bases.
InChI 1S/CH5N3O.ClH/c2-1(5)4-3;/h3H2,(H3,2,4,5);1H
InChIKey XHQYBDSXTDXSHY-UHFFFAOYSA-N
SMILES Cl.NNC(N)=O
LogP -4.99--1.9 at 20℃
CAS DataBase Reference 563-41-7(CAS DataBase Reference)
FDA UNII 34854VG84B
IARC 3 (Vol. 12, Sup 7) 1987
EPA Substance Registry System Semicarbazide hydrochloride (563-41-7)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS05,GHS06,GHS08
Signal word  Danger
Hazard statements  H301-H314-H361fd-H373
Precautionary statements  P201-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
target organs Bone
PPE Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Hazard Codes  Xn,T
Risk Statements  22-40-36/38-25-45-23/24/25
Safety Statements  24/25-22-45-53
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  VT3500000
TSCA  TSCA listed
HS Code  2928 00 90
HazardClass  6.1
PackingGroup  III
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 3 Oral
Eye Dam. 1
Repr. 2
Skin Corr. 1B
STOT RE 2 Oral
Hazardous Substances Data 563-41-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 123 mg/kg
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
0
3 0

Semicarbazide hydrochloride price More Price(39)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.18369 Semicarbazide hydrochloride for synthesis 563-41-7 100g $40.8 2026-03-19 Buy
Sigma-Aldrich 8.18369 Semicarbazide hydrochloride for synthesis 563-41-7 500g $190 2026-03-19 Buy
Sigma-Aldrich 33656 Semicarbazide hydrochloride VETRANAL?, analytical standard 563-41-7 100mg $95.8 2026-03-19 Buy
Sigma-Aldrich 84940 Semicarbazide hydrochloride purum p.a., ≥98.0% (AT) 563-41-7 100g $46.5 2022-05-15 Buy
TCI Chemical S0032 Semicarbazide Hydrochloride >99.0%(T) 563-41-7 25g $21 2026-03-19 Buy
Product number Packaging Price Buy
8.18369 100g $40.8 Buy
8.18369 500g $190 Buy
33656 100mg $95.8 Buy
84940 100g $46.5 Buy
S0032 25g $21 Buy

Semicarbazide hydrochloride Chemical Properties,Uses,Production

Chemical Properties

White Solid

Chemical Properties

Semicarbazide hydrochloride is a white crystalline solid.

Uses

Inhibitor of enzyme. Hypotensive

Uses

A metabolite of Nitrofuran.

Uses

Semicarbazide hydrochloride is used as urease substrate and MAO inhibitor. Derivatizing agent for carbonyl compounds as their semicarbazones which produces crystalline compounds with characteristic melting points. Also used in heterocyclic synthesis. Semicarbazone formation has been used to separate carbonyl compounds from mixtures by adsorption onto silica gel from a hydrocarbon solution. Regeneration is by hydrolysis with oxalic acid.

Definition

ChEBI: Semicarbazide hydrochloride is an organic molecular entity.

Hazard

Toxic by ingestion. Questionable carcino- gen.

Health Hazard

Semicarbazide hydrochloride is a chemical reagent, and an indicator for its metabolic parent nitrofurazone, a veterinary drug that has been banned for use in livestock production in the European Union and the U.S. amongst other jurisdictions.
After Semicarbazide hydrochloride ingestion, experimental animals have developed tremors, ataxia, equilibrium difficulties, and convulsions. Its proposed mechanism of action is by binding to cytosine residues in RNA, to deoxycytosine residues in DNA and to cytosine and deoxycytosine nucleosides.
Semicarbazide hydrochloride has an oral LD50 of 225mg/kg in mice and 123 mg/kg in the rat. Some studies suggest that Semicarbazide hydrochloride is a mutagen, an animal carcinogen and a teratogen.
Due to the lack of data in humans and overall limited evidence of carcinogenicity in animals, semicarbazide hydrochloride was classified as an IARC Group 3 agent: not classifiable as to its carcinogenicity to humans. Due to its equivocal carcinogenic and mutagenic properties, when handling Semicarbazide hydrochloride and animals treated with Semicarbazide hydrochloride, it is imperative to take caution and adhere to the following guidelines to minimize exposure and the effects of exposure during normal and emergency situations.

Flammability and Explosibility

Not classified

Safety Profile

Poison by ingestion and intraperitoneal routes. Experimental reproductive effects. Questionable carcinogen with experimental neoplastigenic and teratogenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and HCl

Potential Exposure

This material is used as a reagent for ketones and aldehydes with which it affords crystalline compounds having characteristic freezing/melting points. Also used in isolation of hormones and certain fractions from essential oils.

Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Crystallise the salt from aqueous 75% EtOH and dry it under vacuum over CaSO4. Alternatively crystallise it from a mixture of 3.6 mole % MeOH and 6.4 mole % of water. [Kovach et al. J Am Chem Soc 107 7360 1985.] IR: 700, 3500 cm-1 [Ingersoll et al. Org Synth Coll Vol I 485 1941, Davison & Christie J Chem Soc 3389 1955, Thiele & Stange Chem Ber 27 33 1894, pK: Bartlett J Am Chem Soc 54 2853 1923]. The free base crystallises as prisms from absolute EtOH, m 96o. [Curtius & Heidenreich Chem Ber 27 55 1894, Beilstein 3 IV 177.] TOXIC ORALLY, possible CARCINOGEN and TERATOGEN.

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. May ignite combustible materials (wood, oil, paper).

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View Lastest Price from Semicarbazide hydrochloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Semicarbazide hydrochloride pictures 2026-04-08 Semicarbazide hydrochloride
563-41-7
0.99 RongNa Biotechnology Co.,Ltd
Semicarbazide hydrochloride pictures 2026-03-13 Semicarbazide hydrochloride
563-41-7
US $29.00 / g 99.52% 10g TargetMol Chemicals Inc.
Semicarbazide hydrochloride pictures 2025-05-26 Semicarbazide hydrochloride
563-41-7
US $1.90 / KG 1KG 99% 10 ton Hebei Chuanghai Biotechnology Co,.LTD
amidoureahydrochloride semicarbazide,monohydrochloride semicarbazidechloride Semicarbazide hydrochloride Solution in Methanol SEMICARBAZIDE HYDROCHLORIDE REAGENT CARBAMYLHYDRAZINEHCL Semicarbazide-13CHCl Semicarbaside SIMICARBAZIDECHLORHYDRATE Semicalbazide Chlorhydrate Semicrbazide Hydrochloride SEMICARBAZIDE HYDROCHLORIDE EXTRAPURE N-Aminourea hydrochloride, Hydrazine carboxamide hydrochloride Semicarbazide hydrochloride,98% Semicarbazide hydrochloride, synthesis grade SEM Semicarbazide hydroc SEMICARBAZIDE HYDROCHLORIDE GR FOR ANALY SEMICARBAZIDE HYDROCHLORIDE FOR SYNTHESI SEM·HCl HydrazinecarboxaMide,hydrochloride (1:1) SeMicarbazide hydrochloride puruM p.a., >=98.0% (AT) N-AMINOUREA HYDROCHLORIDE SEMICARBAZIDE HYDROCHLORIDE SEMICARBAZIDE CHLORHYDRATE SEMICARBAZIDE HCL AMINOUREA HYDROCHLORIDE HYDRAZINE CARBOXAMIDE HYDROCHLORIDE HYDRAZINE CARBOXAMIDE MONOHYDROCHLORIDE CARBAMIC ACID HYDRAZIDE HYDROCHLORIDE CARBAMYLHYDRAZINE HYDROCHLORIDE SEMICARBAZIDE HYDROCHLORIDE, 99+% SEMICARBAZIDE HYDROCHLORIDE R. G. SEMICARBAZIDE HYDROCHLORIDE GR 99.5+% SemicarbazideHydrochlorideA.R. SemicarbazideHydrochlorideGr SemicarbazideHydrochlorideForSyanthesis ammourea hydrochloride Semikarbazide hydrochloride. SEMICARBAZIDE HYDROCHLORIDE, FOR ANALY-T ICAL PURPOSES SEM·HCl Solution, 100ppm Semicarbazide-13C Semicarbazide-13C,15N3 Semicarbazide hydrochloride solution,100ppm Semicarbazide hydrochloride test solution(ChP) SCA-HCl Trazodone Impurity 5 Semicarbazide hydrochloride reference substance Semicarbazide Hydrochloride Standard SemicarbazideHydrochloride> Trazodone Impurity 11 HCl Semicarbazide hydrochloride-13C15N3 15N2, 98%) 100 UG/ Semicarbazide hydrochloride test solution Semicarbazide hydrochloride, GR 99%+ SEMICARBAZIDE HYDROCHLORIDE For Synthesis Semicarbazidhydrochlorid Urea hydrochloride test solution