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Semicarbazide hydrochloride

Semicarbazide hydrochloride
Semicarbazide hydrochloride structure
Chemical Name:
Semicarbazide hydrochloride
SEM;SEM·HCl;Semicarbaside;SEMICARBAZIDE HCL;Semicarbazide-13C;Semicarbazide-13CHCl;CARBAMYLHYDRAZINEHCL;Semicarbazide hydroc;semicarbazidechloride;ammourea hydrochloride
Molecular Formula:
Formula Weight:
MOL File:

Semicarbazide hydrochloride Properties

Melting point:
175-177 °C (dec.)(lit.)
1.2908 (rough estimate)
refractive index 
1.4480 (estimate)
storage temp. 
-20°C Freezer, Under Inert Atmosphere
H2O: 0.1 g/mL at 20 °C, clear, colorless
Crystalline Powder and/or Chunks
1.5 (100g/l, H2O, 20℃)
Water Solubility 
100 g/L (15 ºC)
Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference
563-41-7(CAS DataBase Reference)
EPA Substance Registry System
Hydrazinecarboxamide, monohydrochloride(563-41-7)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
HS Code  2928 00 90
HazardClass  6.1
PackingGroup  III
Hazardous Substances Data 563-41-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 123 mg/kg
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Semicarbazide hydrochloride price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 33656 Semicarbazide hydrochloride VETRANAL , analytical standard 563-41-7 100mg-r $65.4 2018-11-13 Buy
Sigma-Aldrich 84940 Semicarbazide hydrochloride purum p.a., ≥98.0% (AT) 563-41-7 100g $26.2 2018-11-13 Buy
TCI Chemical S0032 Semicarbazide Hydrochloride >99.0%(T) 563-41-7 25g $14 2018-11-22 Buy
TCI Chemical S0032 Semicarbazide Hydrochloride >99.0%(T) 563-41-7 500g $59 2018-11-22 Buy
Alfa Aesar A11668 Semicarbazide hydrochloride, 99% 563-41-7 100g $23.6 2018-11-13 Buy

Semicarbazide hydrochloride Chemical Properties,Uses,Production

Chemical Properties

White Solid

Chemical Properties

Semicarbazide hydrochloride is a white crystalline solid.


Inhibitor of enzyme. Hypotensive


A metabolite of Nitrofuran.


Toxic by ingestion. Questionable carcino- gen.

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.

First aid

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.


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.


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).

Semicarbazide hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

Semicarbazide hydrochloride Suppliers

Global( 313)Suppliers
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+86-571-8723 8903
+86-571-87063838 CHINA 675 58
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View Lastest Price from Semicarbazide hydrochloride manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-15 Semicarbazide hydrochloride
US $8.00 / kg 1kg 99% 100MT career henan chemical co

Semicarbazide hydrochloride Spectrum

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