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Home > Products > Pharmaceutical R&D Materials > Heterocyclic Building Blocks > Benzo[b]benzo[4,5]thieno[2,3-d]thiophene
Benzo[b]benzo[4,5]thieno[2,3-d]thiophene structure, CAS 248-70-4

Benzo[b]benzo[4,5]thieno[2,3-d]thiophene

CAS Number248-70-4

Synonyms5,10-dithia-indeno[2,1-a]indene; [1]Benzothiopheno[3,2-b][1]benzothiophene; (1)Benzothieno(3,2-b)(1)benzothiophene; [1]Benzothieno[3,2-b][1]benzothiophene; [1]benzothieno[3,2-b]benzothiophene; Benzo[b]benzo[4,5]thieno[2,3-d]thiophen; Benzo[b]benzo[4,5]thieno[2,3-d]thiophene; benzthieno[3,2-b]benzothiophene

Molecular FormulaC14H8S2

Molecular Weight240.35

Purity

Density1.4±0.1 g/cm3

Boiling Point432.3±18.0 °C at 760 mmHg

Melting Point218.0-222.0°C

Flash Point

AppearanceVery light yellow - yellow crystal - powder

EINECS

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Symbol

Signal Word

Cat. No.: 2A-1191800 Purity:
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Chemical & Physical Properties
CAS Number248-70-4
Catalog No.2A-1191800
Chinese Name苯并[B]苯并[4,5]噻吩并[2,3-D]噻吩
Synonyms5,10-dithia-indeno[2,1-a]indene; [1]Benzothiopheno[3,2-b][1]benzothiophene; (1)Benzothieno(3,2-b)(1)benzothiophene; [1]Benzothieno[3,2-b][1]benzothiophene; [1]benzothieno[3,2-b]benzothiophene; Benzo[b]benzo[4,5]thieno[2,3-d]thiophen; Benzo[b]benzo[4,5]thieno[2,3-d]thiophene; benzthieno[3,2-b]benzothiophene
Molecular FormulaC14H8S2
Molecular Weight240.35
Density1.4±0.1 g/cm3
Boiling Point432.3±18.0 °C at 760 mmHg
Melting Point218.0-222.0°C
AppearanceVery light yellow - yellow crystal - powder
Storage ConditionRoom temperature, stored in inert gas
HTC2934999090
PubChem ID587281
SMILESc1ccc2c(c1)sc1c3ccccc3sc21
InChIInChI=1S/C14H8S2/c1-3-7-11-9(5-1)13-14(15-11)10-6-2-4-8-12(10)16-13/h1-8H
InChI KeyNXCSDJOTXUWERI-UHFFFAOYSA-N
Tax Rebate13.0%
SupervisionNone. MFN tariff: 6.5%. Ordinary tariff: 20.0%
Transport InfoProduct name: Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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