乙酰乙醛二甲缩醛（CAS 5436-21-5）：分子式 C6H12O3、分子量 132.16。
| CAS号 | 5436-21-5 |
|---|---|
| 分子式 | C6H12O3 |
| 分子量 | 132.16 |
| 熔点 | -83.00 °C. @ 760.00 mm Hg |
| 沸点 | 178.00 °C. @ 760.00 mm Hg |
| LogP | -0.3 |
乙酰乙醛二甲缩醛 是一种化工化合物，登记 CAS 号为 5436-21-5，分子式 C6H12O3（分子量 132.16）。
登记 CAS 号：5436-21-5
其分子式 C6H12O3 由 6 个碳、12 个氢、3 个氧 组成。
别名/同义词：乙酰乙醛二甲缩醛 · ACETOACETALDEHYDE DIMETHYL ACETAL · 4,4-Dimethoxy-2-butanone
乙酰乙醛二甲缩醛 的 CAS 登记号为 5436-21-5。
分子式 C6H12O3，分子量 132.16。
别名/同义词：乙酰乙醛二甲缩醛、ACETOACETALDEHYDE DIMETHYL ACETAL、4,4-Dimethoxy-2-butanone。
乙酰乙醛二甲缩醛（CAS 5436-21-5）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 5436-21-5 |
|---|---|
| PubChem CID | 228548 |
| Molecular formula | C6H12O3 |
| IUPAC name | 4,4-dimethoxybutan-2-one |
| UNII (FDA) | 0IZ188B2ZA |
| FEMA number | 3381 |
| JECFA number | 593 |
| Molecular Weight | 132.16 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 132.078644241 |
| Monoisotopic Mass | 132.078644241 |
| Topological Polar Surface Area | 35.5 |
| Heavy Atom Count | 9 |
| Boiling Point | 178.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 178 °C |
| Melting Point | -83.00 °C. @ 760.00 mm Hg |
| Density | 0.993-0.998 |
| Refractive Index | 1.414-1.424 |
4,4-dimethoxybutan-2-one; 4,4-Dimethoxy-2-butanone; Acetylacetaldehyde dimethyl acetal; 2-Butanone, 4,4-dimethoxy-; 1,1-Dimethoxy-3-butanone; Acetoacetaldehyde dimethyl acetal; 3-Oxobutyraldehyde dimethyl acetal; 4,4-Dimethoxybutanone; Formylacetone dimethyl acetal; Acetylacetaldehyddimethylacetal; 3-Oxobutanal dimethyl acetal; 3-Ketobutyraldehyde dimethylacetal; Acetoacetaldehyde, 1-(dimethyl acetal); FEMA No. 3381; beta-Oxobutyraldehyde dimethyl acetal; NSC 21538
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Floral 3-KETOBUTYRALDEHYDE DIMETHYL ACETAL |
|---|---|
| GHS notification summary | 5.6% (89 / 1598) |
| GHS notification summary | 5.6% (89 / 1598) |
|---|---|
| Reported hazard statements | H226 (94.4%) |
This chemical does not meet GHS hazard criteria for 5.6% (89 of 1598) of reports.
H226 (94.4%): Flammable liquid and vapor [Warning Flammable liquids]
4,4-Dimethoxy-2-butanone · CAS 5436-21-5 · C6H12O3. UNII 0IZ188B2ZA. Boiling Point: 178.00 °C. @ 760.00 mm Hg; Boiling Point: 178 °C; Melting Point: -83.00 °C. @ 760.00 mm Hg.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: ACETOACETALDEHYDE DIMETHYL ACETAL