甲基丙烯酰氯（CAS 920-46-7）：分子式 C4H5ClO、分子量 104.53。
| CAS号 | 920-46-7 |
|---|---|
| 分子式 | C4H5ClO |
| 分子量 | 104.53 |
| 熔点 | -60 °C |
| 沸点 | 205 °F at 760 mmHg (EPA, 1998) |
| LogP | 1.7 |
| 应用领域 | Uses: Used in the production of hydrogel for contact lenses、[HSDB]、A hydrogel with 80% water absorption was obtained from reaction of 2-hydroxyethyl methacrylate、containing small amounts of ethylene glycol dimethacrylate with the reaction product of poly(vinylpyrrolidinone) & methacryloyl chloride、contact lenses、Formulations、Preparations: Available forms: Technical 90% stabilized with phenothiazine、General Manufacturing Information: 2-Propenoyl chloride、2-methyl-: ACTIVE |
登记用途：Uses: Used in the production of hydrogel for contact lenses、[HSDB]、A hydrogel with 80% water absorption was obtained from reaction of 2-hydroxyethyl methacrylate、containing small amounts of ethylene glycol dimethacrylate with the reaction product of poly(vinylpyrrolidinone) & methacryloyl chloride、contact lenses、Formulations、Preparations: Available forms: Technical 90% stabilized with phenothiazine、General Manufacturing Information: 2-Propenoyl chloride、2-methyl-: ACTIVE。
甲基丙烯酰氯 是一种化工化合物，登记 CAS 号为 920-46-7，分子式 C4H5ClO（分子量 104.53）。
登记 CAS 号：920-46-7
其分子式 C4H5ClO 由 4 个碳、5 个氢、1 个氯、1 个氧 组成。
别名/同义词：甲基丙烯酰氯 · Methacryloyl chloride
甲基丙烯酰氯 的 CAS 登记号为 920-46-7。
分子式 C4H5ClO，分子量 104.53。
别名/同义词：甲基丙烯酰氯、Methacryloyl chloride。
登记用途：Uses: Used in the production of hydrogel for contact lenses、[HSDB]、A hydrogel with 80% water absorption was obtained from reaction of 2-hydroxyethyl methacrylate、containing small amounts of ethylene glycol dimethacrylate with the reaction product of poly(vinylpyrrolidinone) & methacryloyl chloride、contact lenses、Formulations、Preparations: Available forms: Technical 90% stabilized with phenothiazine、General Manufacturing Information: 2-Propenoyl chloride、2-methyl-: ACTIVE。
甲基丙烯酰氯（CAS 920-46-7）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 920-46-7 |
|---|---|
| PubChem CID | 13528 |
| Molecular formula | C4H5ClO |
| IUPAC name | 2-methylprop-2-enoyl chloride |
| UNII (FDA) | L76O6653IO |
| Molecular Weight | 104.53 |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 104.0028925 |
| Monoisotopic Mass | 104.0028925 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 6 |
| Boiling Point | 205 °F at 760 mmHg (EPA, 1998) |
|---|---|
| Boiling Point | 96 °C |
| Boiling Point | 96 °C @760 [mm Hg] |
| Melting Point | -60 °C |
| Density | 1.0871 g/cu cm @ 20 °C |
| Vapor Pressure | 45.5 [mmHg] |
| Vapor Pressure | 40 [mm Hg] @25 °C |
METHACRYLOYL CHLORIDE; 920-46-7; Methacrylyl chloride; 2-Methyl-2-propenoyl chloride; Methacrylic acid chloride; Methacryl chloride; 2-Propenoyl chloride, 2-methyl-; Methacrylic chloride; 2-Methylpropenoyl chloride; Methylacryloyl chloride; 2-Methylpropenoic acid chloride; L76O6653IO; alpha-Methylacryloyl chloride; DTXSID6061280; RefChem:811289; DTXCID8048785
| Reported hazard statements | H225 (100%), H302 (96.2%), H314 (100%), H317 (77.4%), H330 (92.5%), H412 (75.5%) |
|---|
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H302 (96.2%): Harmful if swallowed [Warning Acute toxicity, oral]
Methacryloyl chloride · CAS 920-46-7 · C4H5ClO. UNII L76O6653IO. Boiling Point: 205 °F at 760 mmHg (EPA, 1998); Boiling Point: 96 °C; Boiling Point: 96 °C @760 [mm Hg].
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Methacryloyl chloride