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06914

Thiophene

analytical standard

Synonym(s):

Thiofuran, Thiole

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About This Item

Empirical Formula (Hill Notation):
C4H4S
CAS Number:
110-02-1
Molecular Weight:
84.14
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329748301
EC Number:
203-729-4
Beilstein/REAXYS Number:
103222
MDL number:
MFCD00005413
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grade

analytical standard

Quality Segment

100

vapor density

2.9 (vs air)

vapor pressure

40 mmHg ( 12.5 °C)

assay

≥99.5% (GC)

autoignition temp.

743 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

12.5 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

~0.2% benzene

refractive index

n20/D 1.529

bp

84 °C (lit.)

mp

−38 °C (lit.)

density

1.051 g/mL at 25 °C (lit.)

application(s)

environmental

format

neat

SMILES string

c1ccsc1

InChI

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

InChI key

YTPLMLYBLZKORZ-UHFFFAOYSA-N

General description

Thiophene belongs to the class of polycyclic aromatic sulfur heterocycles, which are carcinogenic compounds found in crude oil. Thiopenes are widely used as building blocks in many agrochemicals, pharmaceuticals, and material science.

Application

Thiophene may be used as an analytical reference standard for the quantification of the analyte in diesel oil and crude oil using two-dimensional gas chromatography with sulfur chemiluminescence detection.

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signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

15.8 °F

flash_point_c

-9 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Specified Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 1 petroleums + Hazardous rank II + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

06914-5ML-F:4.548173310725E12 + 06914-1ML-F:4.548173310718E12

jan

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