1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione

CAS No.：52431-78-4

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione Basic information

Product Name:	1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione
Synonyms:	4-(5-MERCAPTO-1H-TETRAZOL-1-YL)PHENOL;1-(4-HYDROXYPHENYL)-1H-TETRAZOLE-5-THIO&;1-(4-Hydroxyphenyl)-[1H]-tetrazol-5-thiol;1,2-Dihydro-1-(p-hydroxyphenyl)-5H-tetrazol-5-thion;1-(4-hydroxyphenyl)-2,5-dihydro-1H-1,2,3,4-tetrazole-5-thione;1-(4-Hydroxyphenyl)-1H-tetrazole-5-thiol 4-(5-Mercapto-1H-tetrazol-1-yl)phenol;1-(4-Hydroxyphenyl)-5-mercapto-1H-tetrazole;1-(4-Hydroxyphenyl)-1H-tetrazole-5(4H)-thione
CAS:	52431-78-4
MF:	C7H6N4OS
MW:	194.21
EINECS:	257-909-2
Product Categories:	Building Blocks;Heterocyclic Building Blocks;Tetrazoles
Mol File:	52431-78-4.mol

1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione Chemical Properties

Melting point	170 °C (dec.)(lit.)
Boiling point	332.8±44.0 °C(Predicted)
density	1.63±0.1 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
solubility	methanol: soluble25mg/mL, clear (colorless to pink to purple)
pka	9.05±0.15(Predicted)
form	powder to crystal
color	White to Almost white
CAS DataBase Reference	52431-78-4(CAS DataBase Reference)
EPA Substance Registry System	5H-Tetrazole-5-thione, 1,2-dihydro-1-(4-hydroxyphenyl)- (52431-78-4)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-37/39
RIDADR	1325
WGK Germany	2
TSCA	Yes
HazardClass	4.1
PackingGroup	III
HS Code	2933998090

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione Usage And Synthesis

Uses	1-(4-Hydroxyphenyl)-1H-tetrazole-5-thiol may be used in the synthesis of organotin(IV) complexes.
General Description	1-(4-Hydroxyphenyl)-1H-tetrazole-5-thiol is a heterocyclic thionate. Iodimetric determination of 1-(4-hydroxyphenyl)-1H-tetrazole-5-thiol in alkaline medium, via volumetric titration with potentiometric end-point detection is reported. Coordination chemistry of 1-(4-hydroxyphenyl)-1H-tetrazole-5-thiol as ligand, having deprotonated heterocyclic thioamide group, has been reported.

1-(4-Hydroxyphenyl)-2H-tetrazole-5-thione Preparation Products And Raw materials

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