send us an inquiry
LC4993 Semicarbazide hydrochloride
GR for analysis


Order number Packaging Quantity Price €
AC31993 Plastic bottle 100 g 43.43


Product information
Hill Formula CH6ClN3O
Chemical formula CH5N3O * HCl
HS Code 2928 00 90
EC number 209-247-0
Molar mass 111.53 g/mol
CAS number 563-41-7


Chemical and physical data
Solubility (20 °C) soluble
Melting point 175 – 177 °C (decomposition)
Molar mass 111.53 g/mol
Bulk density 740 kg/m3
pH value 1.5 (100 g/l, H2O, 20 °C)


Safety information according to GHS
Hazard Statement(s) H301: Toxic if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P260: Do not breathe dust.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Danger
Hazard Pictogram(s)
Storage class Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Safety information
R Phrase R 25-36/38
Toxic if swallowed.Irritating to eyes and skin.
S Phrase S 22-37-45
Do not breathe dust.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic, irritant
Hazard Symbol



Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(SEMICARBAZIDE HYDROCHLORIDE), 6.1, III


Toxicological data
LD 50 oral LD50 rat 123 mg/kg


Assay (argentometric) ≥ 99.5 %
Identity (IR-spectrum) passes test
In water insoluble matter ≤ 0.02 %
Hydrazine ≤ 0.01 %
Alcohols (GC) ≤ 0.01 %
Sulfated ash ≤ 0.02 %