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Merck
CN

88970

Sigma-Aldrich

Thiophene

purum, ≥98.0% (GC)

Synonym(s):

Thiofuran, Thiole

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About This Item

Empirical Formula (Hill Notation):
C4H4S
CAS Number:
Molecular Weight:
84.14
Beilstein:
103222
MDL number:
UNSPSC Code:
12352100
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vapor density

2.9 (vs air)

vapor pressure

40 mmHg ( 12.5 °C)

grade

purum

Assay

≥98.0% (GC)

autoignition temp.

743 °F

expl. lim.

12.5 %

impurities

~0.2% benzene

refractive index

n20/D 1.529 (lit.)
n20/D 1.529

bp

84 °C (lit.)

mp

−38 °C (lit.)

density

1.051 g/mL at 25 °C (lit.)

SMILES string

c1ccsc1

InChI

1S/C4H4S/c1-2-4-5-3-1/h1-4H

InChI key

YTPLMLYBLZKORZ-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Carc. 1A - Eye Irrit. 2 - Flam. Liq. 2 - Muta. 1B - STOT RE 2

Target Organs

Blood

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

30.2 °F - closed cup

Flash Point(C)

-1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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