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Merck
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Key Documents

8.08157

Sigma-Aldrich

Thiophene

for synthesis

Synonym(s):

Thiophene

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About This Item

Empirical Formula (Hill Notation):
C4H4S
CAS Number:
110-02-1
Molecular Weight:
84.14
MDL number:
MFCD00005413
UNSPSC Code:
12352005
EC Index Number:
203-729-4
NACRES:
NA.22

vapor pressure

80 hPa ( 20 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

liquid

autoignition temp.

395 °C

potency

1400 mg/kg LD50, oral (Rat)

expl. lim.

1.5-12.5 % (v/v)

bp

83-84 °C/1013 mbar

mp

-38 °C

transition temp

flash point -9 °C

density

1.06 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

YTPLMLYBLZKORZ-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.062 - 1.065
Identity (IR): passes test

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225 - H302 - H319 - H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

15.8 °F

Flash Point(C)

-9 °C

Certificates of Analysis (COA)

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