Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,2'-Bithiophene-5-carboxaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3779-27-9

3779-27-9 structure

3779-27-9 structure

Name: 2,2'-BITHIOPHENE-5-CARBOXALDEHYDE
Chemical Name: 2,2'-bithiophene-5-carboxaldehyde
CAS Number: 3779-27-9
Molecular Formula: C₉H₆OS₂
Molecular Weight: 194.27300
Create Date: 2018-03-28 08:00:00
Modify Date: 2026-07-01 18:04:50

Name	2,2'-bithiophene-5-carboxaldehyde
Synonyms	5-(THIEN-2-YL)-2-THIOPHENECBALDEHYDE [2,2'-Bithiophene]-5-carbaldehyde S1180 2,2''-BITHIENYL-5-CBOXALDEHYDE BUTTPK 29 2,2'-BITHIOPHENE-5-CBALDEHYDE 5-FORMYL-2,2'-BITHIOPHENE 5-Formyl-2,2'-bithiophene TIMTEC-BB SBB003601 2,2′-Bithiophene-5-cboxaldehyde 5-thiophen-2-yl-2-thiophenecboxaldehyde [2,2'-Bithiophene]-5-cbaldehyde 2,2'-Bithiophene-5-cboxaldehyde 2,2'-Bithiophene-5-cboxaldehyde,5-ForMyl-2,2'-bithiophene 2,2'-Bithiophene]-5-cboxaldehyde 2,2'-Bithiophene-5-cboxaldehy 2,2'-Bithienyl-5-cboxaldehyde SALOR-INT L158844-1EA 2,2'-Bithiophene-5-carboxaldehyde 2,2''-Biothiophene-5-cboxaldehyde 2,2zzhlxy-Bithiophene-5-cboxaldehyde 2,2′-Bithiophene-5-carboxaldehyde MFCD00052294 5-thiophen-2-ylthiophene-2-carbaldehyde 2,2'-Bithiophene-5-cboxaldehyde>

Density	1.336g/cm3
Boiling Point	210 °C / 18mmHg
Melting Point	55-58 °C(lit.)
Molecular Formula	C₉H₆OS₂
Molecular Weight	194.27300
Flash Point	>230 °F
Exact Mass	193.98600
PSA	73.55000
LogP	3.28910
Index of Refraction	1.671
Storage condition	Refrigerator (+4°C)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2934999090

Precursor 10
492-97-7 68-12-2 3480-11-3 4701-17-1
54663-78-4 6165-68-0 18791-75-8 37496-13-2
5370-19-4 193978-23-3
DownStream 10
7342-41-8 110046-60-1 13130-50-2 3515-30-8
32358-94-4 3339-81-9 31352-46-2 16278-99-2
16303-58-5 18494-74-1

HS Code	2934999090
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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