2-PROPENOIC ACID ANHYDRIDE
Acrylic anhydride
CAS: 2051-76-5
Molecular Formula: C6H6O3
2-PROPENOIC ACID ANHYDRIDE - Names and Identifiers
| Name | Acrylic anhydride |
| Synonyms | Acrylic anhydride ACRYLIC ANHYDRIDE Diacrylic anhydride PROPENOIC ANHYDRIDE Acyrlic acid anhydride prop-2-enoic anhydride ACRYLIC ACID ANHYDRIDE prop-2-enoyl prop-2-enoate 2-PROPENOIC ACID ANHYDRIDE acrylic acid acryloyl ester |
| CAS | 2051-76-5 |
| EINECS | 218-128-2 |
| InChI | InChI=1/C6H6O3/c1-3-5(7)9-6(8)4-2/h3-4H,1-2H2 |
2-PROPENOIC ACID ANHYDRIDE - Physico-chemical Properties
| Molecular Formula | C6H6O3 |
| Molar Mass | 126.11 |
| Density | 1.065g/cm3 |
| Melting Point | -20 °C |
| Boling Point | 203.8°C at 760 mmHg |
| Flash Point | 85.7°C |
| Vapor Presure | 0.272mmHg at 25°C |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.438 |
| Physical and Chemical Properties | Storage conditions 2-8°C |
| Use | For the preparation and organic synthesis of propylene resin |
2-PROPENOIC ACID ANHYDRIDE - Risk and Safety
| Risk Codes | R14 - Reacts violently with water R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 3265 |
2-PROPENOIC ACID ANHYDRIDE - Introduction
Acrylic anhydride is a strong esterifying agent, which is a necessary reagent for the preparation of thioacrylate, acrylamide and methacrylate (especially the ester of tertiary alcohol). At the same time, it can be used as a crosslinking agent for polymerization reaction The synthesis of light-curing coatings, cross-linked resins and other materials can also be used as raw materials for the synthesis of special fine chemicals, and has broad market application prospects.
Last Update：2024-04-10 22:29:15
2-PROPENOIC ACID ANHYDRIDE - Nature
| melting point | -20 °C |
| boiling point | 85-86°C 17mm |
| density | 1,094 g/cm3 |
| flash point | 77°C |
| storage conditions | 2-8°C |
Last Update：2024-04-10 22:29:15
2-PROPENOIC ACID ANHYDRIDE - Preparation
At present, the process of synthesizing acrylic anhydride disclosed in the prior art is mainly divided into two categories: the first category is the first synthesis reaction, and the rectification starts after the reaction is completed. Due to the low production efficiency, high energy consumption and high by-products of the first type of synthesis reaction, the second type of batch reaction distillation is generally used to synthesize acrylic anhydride in actual production. Although the efficiency of the second type of batch reaction distillation process is improved compared with the first type of method, it can not overcome the intermittent production mode. The production efficiency and energy consumption are still high, and it is easy to produce by-products, which is not suitable for industrial production./p>
Last Update：2024-04-10 22:29:15
2-PROPENOIC ACID ANHYDRIDE - Security information
| hazard category code | 14-20/21/22-34 |
| safety instructions | 26-36/37/39-45 |
| dangerous goods transport number | 3265 |
| HazardClass | 8 |
| PackingGroup | II |
Last Update：2024-04-10 22:29:15
2-PROPENOIC ACID ANHYDRIDE - Use
| use | Used in the preparation and organic synthesis of acrylic resins |
| use | Used in the preparation and organic synthesis of propylene resin |
Last Update：2024-04-09 18:58:34
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View History
2-PROPENOIC ACID ANHYDRIDE
1-Propanone, 2-methyl-1-(4-piperidinyl)-
三苯基六氟砷酸锍
奈他地尔中间体A
2-(对甲苯基)苯并[d]噁唑
L-xylo-Hexonic acid, 2,5-anhydro-3,6-dideoxy-, methyl ester (9CI)
4-(叔丁基)-1H-咪唑-5-羧酸(盐酸盐)
三氯氧磷
苯基-(4-哌啶基)甲酮盐酸盐
3-DIETHYLAMINOPROPIONIC ACID ETHYL ESTER
1-Propanone, 2-methyl-1-(4-piperidinyl)-
三苯基六氟砷酸锍
奈他地尔中间体A
2-(对甲苯基)苯并[d]噁唑
L-xylo-Hexonic acid, 2,5-anhydro-3,6-dideoxy-, methyl ester (9CI)
4-(叔丁基)-1H-咪唑-5-羧酸(盐酸盐)
三氯氧磷
苯基-(4-哌啶基)甲酮盐酸盐
3-DIETHYLAMINOPROPIONIC ACID ETHYL ESTER