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Merck
CN

8.00795

1,2-Ethanedithiol

for synthesis

Synonym(s):

1,2-Ethanedithiol

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About This Item

Empirical Formula (Hill Notation):
C2H6S2
CAS Number:
Molecular Weight:
94.20
UNSPSC Code:
12352105
EC Index Number:
208-752-3
NACRES:
NA.22
MDL number:
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Product Name

1,2-Ethanedithiol, for synthesis

SMILES string

SCCS

InChI

1S/C2H6S2/c3-1-2-4/h3-4H,1-2H2

InChI key

VYMPLPIFKRHAAC-UHFFFAOYSA-N

vapor pressure

6.4 hPa ( 20 °C)

assay

≥99.0% (GC)

form

liquid

potency

120 mg/kg LD50, oral (Rat)
197 mg/kg LD50, skin (Rabbit)

mp

-41 °C

transition temp

flash point 50 °C

density

1.12 g/cm3 at 20 °C

storage temp.

2-30°C

Quality Level

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.123 - 1.126
Identity (IR): passes test

Application

1,2-Ethanedithiol can be used as a reactant to synthesize:
  • Aryl thiols via copper-catalyzed single-step reaction with aryl halides.
  • 1,3-Dithiolanes via Lewis acid-catalyzed chemoselective condensation with carbonyl compounds.
  • Polyalkylene sulfides via polycondensation with dibromides in the presence of NaH.

pictograms

FlameSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

111.2 °F - closed cup

flash_point_c

44 °C - closed cup


Certificates of Analysis (COA)

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Protocols

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