- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,5-Dimethylthiophene
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,5-Dimethylthiophene
- Price: ￥208.0/5g ￥2178.0/100g ￥628.0/25g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,5-Dimethylthiophene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: 2,5-Dimethylthiophene
- Price: ￥Inquiry/25kg
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Wang Jie
- Email: 3096638339@qq.com
638-02-8
638-02-8 structure
- Name: 2,5-Dimethylthiophene
- Chemical Name: 2,5-Dimethylthiophene
- CAS Number: 638-02-8
- Molecular Formula: C6H8S
- Molecular Weight: 112.193
- Catalog: Flavors and spices Synthetic spice Lactone and oxygen-containing heterocyclic compound Thiazole, thiophene and pyridine
- Create Date: 2018-06-12 18:11:14
- Modify Date: 2025-08-26 12:32:18
| Name | 2,5-Dimethylthiophene |
|---|---|
| Synonyms |
EINECS 211-313-9
MFCD00005452 T5SJ B1 E1 Thiophene,2,5-dimethyl 3,5-methylthiophene 2,5-SC4H2Me2 2,5-dimethyl-thiophene Thiophene,5-dimethyl 2,4-DINITROBENZENESULFONYL CHLORIDE Thiophene, 2,5-dimethyl- 2,5-Dimethylthiophen 2,5-Dimethylthiophene |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 136.8±9.0 °C at 760 mmHg |
| Melting Point | -63°C |
| Molecular Formula | C6H8S |
| Molecular Weight | 112.193 |
| Flash Point | 23.9±0.0 °C |
| Exact Mass | 112.034668 |
| PSA | 28.24000 |
| LogP | 2.82 |
| Vapour Pressure | 9.0±0.2 mmHg at 25°C |
| Index of Refraction | 1.527 |
| Storage condition | Flammables area |
| Symbol |
GHS02 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H226 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xn: Harmful; |
| Risk Phrases | R10 |
| Safety Phrases | S23-S24/25-S16 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| Packaging Group | II |
| Hazard Class | 3 |
| HS Code | 29349990 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
![[(η5-C5Me5)IrCl]2(μ-H)(μ-S-2-hexyl) structure](https://image.chemsrc.com/caspic/198/1151942-86-7.png)
![6,8-dimethyl-1,5-dihydrothieno[3,4-e][1,3]dioxepine structure](https://image.chemsrc.com/caspic/379/143756-02-9.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% |