- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: bis(2-thienyl) ketone
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: bis(2-thienyl) ketone
- Price: ￥3098.0/10g ￥1858.0/5g ￥508.0/1g
- Purity: 95.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Methanone,di-2-thienyl-
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
704-38-1
704-38-1 structure
- Name: bis(2-thienyl) ketone
- Chemical Name: bis(2-thienyl) ketone
- CAS Number: 704-38-1
- Molecular Formula: C9H6OS2
- Molecular Weight: 194.27300
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-08-26 16:31:12
- Modify Date: 2025-08-25 18:49:05
| Name | bis(2-thienyl) ketone |
|---|---|
| Synonyms |
MFCD00052096
dithiophen-2-ylmethanone Bis(thien-2-yl)methanone Tiotropium Bromide Impurity 6 |
| Density | 1.326g/cm3 |
|---|---|
| Boiling Point | 323ºC at 760 mmHg |
| Melting Point | 90-94 °C(lit.) |
| Molecular Formula | C9H6OS2 |
| Molecular Weight | 194.27300 |
| Flash Point | 149.1ºC |
| Exact Mass | 193.98600 |
| PSA | 73.55000 |
| LogP | 3.04060 |
| Index of Refraction | 1.64 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi |
| Safety Phrases | S22-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 9 | |
|---|---|
| DownStream 7 | |
![[diacetyloxy(thiophen-2-yl)plumbyl] acetate structure](https://image.chemsrc.com/caspic/424/53034-24-5.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% |