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188573

Sigma-Aldrich

5-Methyl-1,3,4-thiadiazole-2-thiol

99%

Synonym(s):

2-Mercapto-5-methyl-1,3,4-thiadiazole

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About This Item

Empirical Formula (Hill Notation):
C3H4N2S2
CAS Number:
29490-19-5
Molecular Weight:
132.21
EC Number:
249-667-1
MDL number:
MFCD00038349
UNSPSC Code:
12352100
PubChem Substance ID:
24851168
NACRES:
NA.22

assay

99%

mp

188-189 °C (lit.)

solubility

chloroform: soluble 10 mg/mL, clear to very slightly hazy, colorless

SMILES string

Cc1nnc(S)s1

InChI

1S/C3H4N2S2/c1-2-4-5-3(6)7-2/h1H3,(H,5,6)

InChI key

FPVUWZFFEGYCGB-UHFFFAOYSA-N

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General description

5-Methyl-1,3,4-thiadiazole-2-thiol is a pharmaceutical intermediate. UV and UV/H2O2 induced degradation of 5-methyl-1,3,4-thiadiazole-2-thiol has been investigated.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Antonio Lopez et al.
Annali di chimica, 92(1-2), 41-51 (2002-05-08)
The degradation of 5-methyl-1,3,4-thiadiazole-2-thiol (MMTD), a pharmaceutical intermediate found in some aquifers of Northern Italy, has been investigated by means of UV and UV/H2O2 treatments. The study has been carried out with a 17 W low pressure mercury lamp at

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