- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Thieno3,2-bthiophene
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Thieno3,2-bthiophene
- Price: ￥178.0/1g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Thieno[3,2-b]thiophene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: Thieno[3,2-b]thiophene
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
251-41-2
251-41-2 structure
- Name: Thieno3,2-bthiophene
- Chemical Name: Thieno[3,2-b]thiophene
- CAS Number: 251-41-2
- Molecular Formula: C6H4S2
- Molecular Weight: 140.23
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-02-25 08:00:00
- Modify Date: 2024-01-02 19:32:42
-
1,4-Dithiapentalene is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
| Name | Thieno[3,2-b]thiophene |
|---|---|
| Synonyms |
1,4-Dithiapentalene
thieno(3,2-b)thiophene 4-Dithiapentalene 1,4-Thiophthene 1,4-Dithiapentalene,1,4-Thiophthene 1,4-Dithiapentalene1,4-Thiophthene 1,4-THIOPHTHENE Thieno[3,2-b]thiophene thienothiophene Thieno3,2-bthiophene |
| Description | 1,4-Dithiapentalene is a biochemical reagent that can be used as a biological material or organic compound for life science related research. |
|---|---|
| Related Catalog |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 223.4±13.0 °C at 760 mmHg |
| Melting Point | 56ºC |
| Molecular Formula | C6H4S2 |
| Molecular Weight | 140.23 |
| Flash Point | 63.1±6.0 °C |
| Exact Mass | 139.975433 |
| PSA | 56.48000 |
| LogP | 5.31 |
| Vapour Pressure | 0.1±0.4 mmHg at 25°C |
| Index of Refraction | 1.729 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | 22-36/37/38 |
| Safety Phrases | 26-36/37 |
| RIDADR | UN 3335 |
| HS Code | 2934999090 |
| Precursor 7 | |
|---|---|
| DownStream 10 | |
![Thieno[3,2-b]thiophene-2-carboxylic acid structure](https://image.chemsrc.com/caspic/239/1723-27-9.png)
![Ethyl thieno[3,2-b]thiophene-2-carboxylate structure](https://image.chemsrc.com/caspic/061/201004-08-2.png)
![2,3-dihydro-3-oxothieno[3,2-b]thiophen structure](https://image.chemsrc.com/caspic/186/82014-59-3.png)
![3,6-dibromothieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/263/392662-65-6.png)
![2,3,5-TRIBROMOTHIENO[3,2-B]THIOPHENE structure](https://image.chemsrc.com/caspic/303/25121-88-4.png)
![METHYL THIENO[3,2-B]THIOPHENE-2-CARBOXYLATE structure](https://image.chemsrc.com/caspic/189/98800-10-3.png)
![THIENO[3,2-B]THIOPHENE-2-CARBALDEHYDE structure](https://image.chemsrc.com/caspic/395/31486-86-9.png)
![PERBROMOTHIENO[3,2-B]THIOPHENE structure](https://image.chemsrc.com/caspic/239/124638-53-5.png)
![(5-cyanoiminothieno[3,2-b]thiophen-2-ylidene)cyanamide structure](https://image.chemsrc.com/caspic/420/125594-14-1.png)
![2,5-Dibromothieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/341/25121-87-3.png)
![2,2’-Bithieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/264/648430-73-3.png)
![3,6-dimethoxythieno[3,2-b]thiophene structure](https://image.chemsrc.com/caspic/202/850233-79-3.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |