- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: diethylbut-2-indioat
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: diethylbut-2-indioat
- Price: ￥88.0/5g
- Purity: 98.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Diethyl acetylenedicarboxylate
- 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: Diethyl acetylenedicarboxylate
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
762-21-0
762-21-0 structure
- Name: diethylbut-2-indioat
- Chemical Name: Diethyl acetylenedicarboxylate
- CAS Number: 762-21-0
- Molecular Formula: C8H10O4
- Molecular Weight: 170.163
- Catalog: Organic raw materials Carboxylic compounds and derivatives Carboxylic esters and their derivatives
- Create Date: 2018-02-21 08:00:00
- Modify Date: 2025-08-19 19:58:10
| Name | Diethyl acetylenedicarboxylate |
|---|---|
| Synonyms |
Diethyl 2-butynedioate
Diethyl acetylenedicarboxylate Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate 2-Butynedioic acid, diethyl ester Acetylenedicarboxylic acid, diethyl ester diethyl but-2-ynedioate EINECS 212-095-8 MFCD00009186 diethylbut-2-indioat |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 233.9±0.0 °C at 760 mmHg |
| Melting Point | 1-3 °C |
| Molecular Formula | C8H10O4 |
| Molecular Weight | 170.163 |
| Flash Point | 94.4±0.0 °C |
| Exact Mass | 170.057907 |
| PSA | 52.60000 |
| LogP | 2.57 |
| Vapour Pressure | 0.1±0.4 mmHg at 25°C |
| Index of Refraction | 1.452 |
| Storage condition | 0-6°C |
| Symbol |
GHS05 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314 |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | C:Corrosive; |
| Risk Phrases | R34 |
| Safety Phrases | S26-S36/37/39-S45-S25 |
| RIDADR | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 29171990 |
| Precursor 9 | |
|---|---|
| DownStream 8 | |
![diethyl 2-[(2-nitrophenyl)hydrazinylidene]butanedioate structure](https://image.chemsrc.com/caspic/424/141211-59-8.png)
![diethyl (Z)-2-[bis(2-chloroethyl)amino]but-2-enedioate structure](https://image.chemsrc.com/caspic/241/18352-45-9.png)
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |