- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2-Butynoic acid
- Price:
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2-Butynoic acid
- Price: ￥118.0/1g ￥318.0/5g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2-Butynoic acid
- 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: 2-Butynoic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
590-93-2
590-93-2 structure
- Name: 2-Butynoic acid
- Chemical Name: 2-Butynoic acid
- CAS Number: 590-93-2
- Molecular Formula: C4H4O2
- Molecular Weight: 84.073
- Catalog: Chemical reagent Organic reagent fatty acid
- Create Date: 2018-08-30 15:31:19
- Modify Date: 2024-01-02 15:11:18
| Name | 2-Butynoic acid |
|---|---|
| Synonyms |
2-Butynoic acid
MFCD00004363 EINECS 209-695-7 But-2-ynoic acid |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 203.0±9.0 °C at 760 mmHg |
| Melting Point | 78-80 °C(lit.) |
| Molecular Formula | C4H4O2 |
| Molecular Weight | 84.073 |
| Flash Point | 90.9±15.2 °C |
| Exact Mass | 84.021126 |
| PSA | 37.30000 |
| LogP | 0.85 |
| Vapour Pressure | 0.1±0.8 mmHg at 25°C |
| Index of Refraction | 1.468 |
| Storage condition | 2-8°C |
| Symbol |
GHS05 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314 |
| 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 | R20/21/22;R34 |
| Safety Phrases | S26-S27-S36/37/39-S45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| Packaging Group | II |
| Hazard Class | 8 |
| HS Code | 2916190090 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
![1-BENZYL-5-METHYL-1H-[1,2,3]TRIAZOLE-4-CARBOXYLIC ACID structure](https://image.chemsrc.com/caspic/293/54698-60-1.png)
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |