4-Amino-3-hydrazino-1,2,4-triazol-5-thiol

4-Amino-3-hydrazino-1,2,4-triazol-5-thiol
  • CAS No.:1750-12-5
Other grades of this product :
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol Basic information
Product Name:4-Amino-3-hydrazino-1,2,4-triazol-5-thiol
Synonyms:(4-Amino-5-mercapto-4H-1,2,4-triazole-3-yl)hydrazine;3-Hydrazino-4-amino-5-mercapto-4H-1,2,4-triazole;AKOS B029009;4-AMINO-5-HYDRAZINO-4H-1,2,4-TRIAZOLE-3-THIOL;4-Amino-3-hydrazino-1,2,4-triazol-5-thiol;4-AMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE;Purpald,4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole, 4-Amino-5-hydrazino-1,2,4-triazole-3-thiol;4-Amino-3-hydrazino-
CAS:1750-12-5
MF:C2H6N6S
MW:146.17
EINECS:217-135-8
Product Categories:Heterocycles;Sulfur & Selenium Compounds;Aldehyde Labeling Reagents
Mol File:1750-12-5.mol
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol Chemical Properties
Melting point 228-230 °C (dec.)(lit.)
Boiling point 275.0±23.0 °C(Predicted)
density 2.31±0.1 g/cm3(Predicted)
storage temp. 0-6°C
solubility Soluble in Dimethyl sulfoxide. (DMSO)
form powder to crystal
pka8.52±0.20(Predicted)
color White to Almost white
BRN 134867
InChIKeyRDIMQHBOTMWMJA-UHFFFAOYSA-N
CAS DataBase Reference1750-12-5(CAS DataBase Reference)
EPA Substance Registry System1,2,4-Triazolidin-3-one, 4-amino-5-thioxo-, hydrazone (1750-12-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR 1325
WGK Germany 3
TSCA Yes
HazardClass 4.1
PackingGroup III
HS Code 29339900
MSDS Information
ProviderLanguage
Purpald English
SigmaAldrich English
ALFA English
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol Usage And Synthesis
Chemical PropertiesBeige solid
UsesA reagent for the determination of aldehydes and other reactive chemicals
Uses4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole is a reagent used in the determination of aldehydes and other reactive chemicals.was used in purpald assay for determination of bacterial polysaccharides containing substituted or unsubstituted glycol in residues such as glycerol, ribitol, arabinitol, furanosyl galactose and sialic acid. It was used as chromogen during the determination of catalase activity in small tissue samples. It was used as reagent in determination of formaldehyde. It was used for derivatization of neutral monosaccharides during HPLC.
Uses
  • Purpald? was used in purpald assay for determination of bacterial polysaccharides containing substituted or unsubstituted glycol in residues such as glycerol, ribitol, arabinitol, furanosyl galactose and sialic acid.
  • It was used as chromogen during the determination of catalase activity in small tissue samples.
  • It was used as reagent in determination of formaldehyde.
  • It was used for derivatization of neutral monosaccharides during HPLC.
Synthesis Reference(s)Journal of Heterocyclic Chemistry, 26, p. 355, 1989 DOI: 10.1002/jhet.5570260216
Purification MethodsRecrystallise Purpald from H2O (0.6g in 300-400mL). The benzylidene derivative has m 245-246o(dec) from i-PrOH [Hoggarth J Chem Soc 4817 1952, Dickinson & Jacobson J Chem Soc, Perkin Trans I 975 1975.[Beilstein 26 III/IV 547.]
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol Preparation Products And Raw materials
Raw materialsThionyl chloride-->Iodomethane-->Piperazine-->3-Piperidinemethanol-->1-Methyl-3-piperidinemethanol

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