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2,2'-Bithiophene,5-phenyl- is an organic compound with the chemical formula C16H12S2. It is a derivative of bithiophene, which consists of two thiophene rings connected at their 2,2'-positions. The phenyl group is attached to the 5-position of the bithiophene backbone, providing a conjugated system that extends the π-electron cloud. 2,2'-Bithiophene,5-phenyl- is known for its electronic properties and is used in the synthesis of various organic materials, such as conducting polymers and organic semiconductors. It is also relevant in the field of organic electronics due to its potential applications in the development of新型电子器件 and materials with specific optical and electronic characteristics.

1665-31-2

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Basic information
1. Product Name: 2,2'-Bithiophene,5-phenyl-
2. Synonyms: 2-Phenyl-5-(2-thienyl)thiophene;5-Phenyl-2,2'-bithienyl; 5-Phenyl-2,2'-bithiophene; 5-Phenyl-2,2'-dithienyl
3. CAS NO:1665-31-2
4. Molecular Formula: C14H10 S2
5. Molecular Weight: 242.365
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 363.7°Cat760mmHg
3. Flash Point: 129.6°C
4. Appearance: N/A
5. Density: 1.218g/cm³
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2,2'-Bithiophene,5-phenyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,2'-Bithiophene,5-phenyl-(1665-31-2)
11. EPA Substance Registry System: 2,2'-Bithiophene,5-phenyl-(1665-31-2)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 1665-31-2(Hazardous Substances Data)

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1665-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1665-31-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,6 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1665-31:
(6*1)+(5*6)+(4*6)+(3*5)+(2*3)+(1*1)=82
82 % 10 = 2
So 1665-31-2 is a valid CAS Registry Number.

1665-31-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-phenyl-5-thiophen-2-ylthiophene

1.2 Other means of identification

Product number	-
Other names	3-Phenyl-2,2'-bithiophene

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1665-31-2 SDS

1665-31-2Upstream product

1665-31-2Downstream Products

256342-40-2 5-phenyl-2,2':5',2''-terthiophene

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