- 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
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Mesyl anhydride
- Price: ￥108.0/25g ￥318.0/100g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Methanesulfonic anhydride
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: Methanesulfonic anhydride
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: Mesyl anhydride
- Price: ￥Inquiry/25kg
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Wang Jie
- Email: 3096638339@qq.com
7143-01-3
7143-01-3 structure
- Name: Mesyl anhydride
- Chemical Name: Methanesulfonic anhydride
- CAS Number: 7143-01-3
- Molecular Formula: C2H6O5S2
- Molecular Weight: 174.196
- Catalog: Organic raw materials Organic sulfur compound
- Create Date: 2018-08-19 05:36:11
- Modify Date: 2025-08-19 19:38:43
| Name | Methanesulfonic anhydride |
|---|---|
| Synonyms |
methanesulfonyl methanesulfonate
MFCD00007556 Methanesulfonic acid, anhydride Mesyl anhydride Methanesulfonic anhydride methanesulphonic anhydride methylsulfonyl methanesulfonate Methanesulfonic acid anhydride; Mesyl anhydride; Methanesulfonyl anhydride EINECS 230-442-1 Methanesulfonic anhydrid |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 289.3±9.0 °C at 760 mmHg |
| Melting Point | 64-67 °C(lit.) |
| Molecular Formula | C2H6O5S2 |
| Molecular Weight | 174.196 |
| Flash Point | 128.7±18.7 °C |
| Exact Mass | 173.965668 |
| PSA | 94.27000 |
| LogP | -0.93 |
| Vapour density | 3.3 (vs air) |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.470 |
| Symbol |
GHS05 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314 |
| Supplemental HS | Reacts violently with water. |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | C:Corrosive; |
| Risk Phrases | R14;R35 |
| Safety Phrases | S26-S36/37/39-S45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2904909090 |
| Precursor 10 | |
|---|---|
| DownStream 9 | |
![2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile structure](https://image.chemsrc.com/caspic/139/96042-30-7.png)
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |