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Safety Information

758167

Sigma-Aldrich

2-ethynylthiophene

90%

Synonym(s):

2-Acetylenylthiophene

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About This Item

Empirical Formula (Hill Notation):
C6H4S
CAS Number:
4298-52-6
Molecular Weight:
108.16
MDL number:
MFCD03425129
UNSPSC Code:
12352100
PubChem Substance ID:
329766718
NACRES:
NA.22

Assay

90%

refractive index

n20/D 1.580

density

1.139 g/mL at 25 °C

storage temp.

−20°C

SMILES string

C#Cc1cccs1

InChI

1S/C6H4S/c1-2-6-4-3-5-7-6/h1,3-5H

InChI key

LWISLHRIEATKTM-UHFFFAOYSA-N

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Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

108.0 °F

Flash Point(C)

42.2 °C

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.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

758167-500MG:
758167-VAR:
758167-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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