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2,2′-Bithiophene

2,2′-Bithiophene structure

CAS No:
492-97-7
Formula:
C8H6S2
Chemical Name:
2,2′-Bithiophene
Synonyms:
2,2′-Bithiophene;2,2′-Bithienyl;2,2′-Dithienyl;2,2′-Dithiophene;2,2′-Bisthiophene;α-Bithiophene;2-(2-Thienyl)thiophene;2-(Thiophen-2-yl)thiophene;2-Thiophen-2-ylthiophene
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

white to light yellow crystal powder

2,2’-Bithiophene is a reactant in the preparation of thienophenyl compounds.

2,2'-bithiophene is a thiophene derivative that consists of two thiophene rings connected by a 2,2'-linkage.

2,2′-Bithiophene Basic Attributes

Molecular Weight：

166.26

Exact Mass：

166.26

BRN：

3039

EC Number：

207-767-2

DSSTox ID：

DTXSID8060084

HScode：

2934999090

Characteristics

PSA：

56.5

XLogP3：

Appearance：

yellow to green low melting solid

Density：

1.2±0.1 g/cm3

Melting Point：

33 °C

Boiling Point：

260 °C

Flash Point：

>230 °F

Refractive Index：

1.631

Water Solubility：

Insoluble in water.

Vapor Pressure：

0.0203mmHg at 25°C

Safety Information

Hazard category：

IRRITANT

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

20/21/22-36/37/38

safety instructions：

22-24/25-36-26

Marks：

Xi,Xn

Hazard note：

Irritant

Precautionary statement(s)：

P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501

Hazard Statements：

H302

2,2′-Bithiophene Use and Manufacturing

Uses

2,2’Bithiophene is a reactant in the preparation of thienophenyl compounds.

Manufacturing Info：

2,2'-Bithiophene: ACTIVE

Use Classification：

Fatty Acyls [FA] -> Oxygenated hydrocarbons [FA12]

Analysis Methods

Name	Column Shape	Active Phase(℃)	Retention index	Temperature Control	Method	Comments	Reference
Normal alkane RI, non-polar column, temperature ramp	Capillary	DB-1	1438.		temperature ramp	25. m/0.25 mm/0.13 μm, He, 60. C @ 2. min, 4. K/min; T_end: 200. C	Rapior, S.Konska, G.Guillot, J.Andary, C.Bessiere, J.-M.Volatile composition of Laetiporus sulphureusCryptogamie, Mycol.2000, 21, 1, 67-72.

Computed Properties

Molecular Weight:166.3
XLogP3:3
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:165.99109254
Monoisotopic Mass:165.99109254
Topological Polar Surface Area:56.5
Heavy Atom Count:10
Complexity:99.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Synthesis Route

188290-36-0

1006384-44-6

1006384-44-6

19690-69-8

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