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2,5-dibromo-thieno[3,2-b]thiophene

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Origin: China

Cas No: 25121-87-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 25121-87-3 Formula: C6H2Br2S2 Molecular Weight: 298.01800

Basic Info

Chemical Name	2,5-dibromo-thieno[3,2-b]thiophene
Synonyms	2,5-DibroMothieno[3,2-b]thiophene; 2,4-DICHLOROBENZYLZINC CHLORIDE; 2-b]thiophene;
CAS No.	25121-87-3
Molecular Formula	C6H2Br2S2
Molecular Weight	298.01800
PSA	56.48000
LogP	4.48780

Properties

Density	2.209 g/cm3
Boiling Point	346.7ºC at 760 mmHg
Melting Point	130ºC
Refractive Index	1.773
Storage Condition	Refrigerator
Vapor Pressure	0.000113mmHg at 25°C

Safety Info

HS Code	2934999090
Symbol	GHS06
Hazard Declaration	H301
Caution Statement	P301 + P310
Signal Word	Danger

Synthesis Route

Thieno[3,2-b]thiophene→2,5-dibromo-thieno[3,2-b]thiophene
3-Bromothiophene-2-carbaldehyde→2,5-dibromo-thieno[3,2-b]thiophene
ethyl thieno[3,2-b]thiophene-5-carboxylate→2,5-dibromo-thieno[3,2-b]thiophene

Precursor

ethyl thieno[3,2-b]thiophene-5-carboxylate
Thieno[3,2-b]thiophene
3-Bromothiophene-2-carbaldehyde
thieno[3,2-b]thiophene-5-carboxylic acid

Downstream Product

2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
3,6-Dibromothieno[3,2-b]thiophene
thieno[3,2-b]thiophene-2,5-dione

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