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89050

Thiosemicarbazide

Name: Thiosemicarbazide
Brand: SIAL

puriss. p.a., 98%

Synonym(s):

Thiocarbamoyl hydrazide

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About This Item

Linear Formula:

NH₂CSNHNH₂

CAS Number:

79-19-6

Molecular Weight:

91.14

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

329769689

EC Number:

201-184-7

Beilstein/REAXYS Number:

506320

MDL number:

MFCD00007620

Assay:

98%

Form:

crystals

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Properties

grade

puriss. p.a.

Quality Level

100

assay

98%

form

crystals

ign. residue

≤0.08% (as SO₄)

mp

180-183 °C (dec.) (lit.)

anion traces

sulfate (SO₄^2-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

functional group

amine, hydrazine, thiourea

SMILES string

NNC(N)=S

InChI

1S/CH5N3S/c2-1(5)4-3/h3H2,(H3,2,4,5)

InChI key

BRWIZMBXBAOCCF-UHFFFAOYSA-N

Description

General description

Thiosemicarbazide is an environmentally toxic compound, which is usually derived from thiourea. Its ability to chelate trace metals promotes its biological activity against certain tumors, protozoa, influenza, pesticides, and fungicides. It is widely used as a metal complexing agent in various fields involving the characterization of aliphatic or aromatic aldehydes, ketones, and polysaccharides.

Application

Thiosemicarbazide has been used as an analytical reagent for the measurement of urea net high-affinity uptake in roots of intact maize plants using colorimetric assay.

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pictograms

GHS06

signalword

Danger

hcodes

H300,H412

pcodes

P264 - P270 - P273 - P301 + P310 - P405 - P501

Hazard Classifications

Acute Tox. 2 Oral - Aquatic Chronic 3

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Electrochemical determination of thiosemicarbazide using the glassy carbon electrode modified with multi-walled carbon nanotubes

Faizbakhsh N and Safari Z

Advances in Nanochemistry, 1(2), 52-55 (2019)

Measurement of net high-affinity urea uptake in maize plants

Zanin L, et al.

Bio-protocol, 5 (2015)

Synthesis, crystal structures, and biological evaluation of manganese(II) and nickel(II) complexes of 4-cyclohexyl-1-(1-(pyrazin-2-yl)ethylidene)thiosemicarbazide.

Ming Xue Li et al.

European journal of medicinal chemistry, 46(9), 4383-4390 (2011-07-26)

4-Cyclohexyl-1-(1-(pyrazin-2-yl)ethylidene)thiosemicarbazide (HL) and its transition metal complexes formulated as [Mn(L)(2)] (1) and [Ni(L)(2)] (2) have been prepared in 55-75% yield and characterized by elemental analysis, IR, MS, NMR and single-crystal X-ray diffraction studies. Biological activities of the synthesized compounds have

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