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Merck
CN

88535

Thiocarbohydrazide

purum p.a., suitable for electron microscopy, ≥99.0% (N)

Synonym(s):

Thiocarbonyldihydrazide

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About This Item

Linear Formula:
(NH2NH)2CS
CAS Number:
2231-57-4
Molecular Weight:
106.15
EC Number:
218-769-8
UNSPSC Code:
12352200
PubChem Substance ID:
57653312
Beilstein/REAXYS Number:
506657
MDL number:
MFCD00007616

Key Documents

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InChI key

LJTFFORYSFGNCT-UHFFFAOYSA-N

InChI

1S/CH6N4S/c2-4-1(6)5-3/h2-3H2,(H2,4,5,6)

SMILES string

NNC(=S)NN

grade

purum p.a.

assay

≥99.0% (N)

form

crystals

technique(s)

electron microscopy: suitable

mp

171-174 °C (dec.) (lit.)

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Application

Thiocarbohydrazide is used in silver proteinate specific and OTO-method (osmium-thiocarbohydrazide-osmium) methods for staining carbohydrates in electron microscopy. Thiocarbohydrazide may be used in the organic synthesis of metal ion coordinating compounds.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBT9777
BCBS8740V
BCBQ8790V
BCBP7208V
BCBN3939V

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Amit Kumar Sharma et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(1), 337-342 (2010-11-26)
2,6-diacetyl pyridine based ligand was synthesized by the reaction of 2,6-diacetyl pyridine with thiocarbohydrazide in presence of acetic acid. The coordination compounds with Cr(III) and Ni(II) metal ions having [Cr(L)X]X2 and [Ni(L)X]X compositions (where L=ligand and X=NO3-, Cl- and CH3COO-)
O Fujimori et al.
The Histochemical journal, 23(2), 91-99 (1991-02-01)
A method has been developed for the histochemical demonstration of unsaturated lipids in light microscopy. It is a peracetic acid-thiocarbohydrazide-silver protein sequence followed by a physical development procedure. In the present study on paraffin and cryostat sections of liver, brain
F Murata et al.
Journal of electron microscopy, 41(1), 14-20 (1992-02-01)
Sulfated glycoconjugates in epithelial cells and mesenchymal cells were investigated after staining with high iron diamine-thiocarbohydrazide-silver proteinate. One purpose of the experiment was to apply a new physical developed to the staining. Instead of silver nitrate, silver lactate or silver
Anand D Tiwari et al.
International journal of biological macromolecules, 48(4), 682-687 (2011-02-26)
Chitosan-N-2-methylhydroxypyridine-6-methylcorboxylate (Ch-PDC) and chitosan-N-2-methylhydroxypyridine-6-methylhydroxy thiocarbohydrazide (Ch-PDC-Th) were synthesized for the first time using chitosan as precursor. Chitosan, Ch-PDC, Ch-PDC-Th were used in the synthesis of gold nanoparticles (AuNP) in aqueous medium. Chitosan and Ch-PDC-Th possess reducing properties which enabled the
D Levanon et al.
The Histochemical journal, 31(1), 71-73 (1999-07-16)
Samples from seven sectors of the rabbit knee articular cartilage were shaved and prepared for the scanning electron microscope using either tannic acid, thiocarbohydrazide or nothing (control). Surface morphology was found to be more typical to a given sector and
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