3-甲基胆蒽（CAS 56-49-5）：分子式 C21H16、分子量 268.4。
| CAS号 | 56-49-5 |
|---|---|
| 分子式 | C21H16 |
| 分子量 | 268.4 |
| 熔点 | 354 to 356 °F (NTP, 1992) |
| 沸点 | 536 °F at 80 mmHg (NTP, 1992) |
| LogP | 6.4 |
3-甲基胆蒽 是一种化工化合物，登记 CAS 号为 56-49-5，分子式 C21H16（分子量 268.4）。
登记 CAS 号：56-49-5
其分子式 C21H16 由 21 个碳、16 个氢 组成。
别名/同义词：3-甲基胆蒽 · 3-methylcholanthrene
3-甲基胆蒽 的 CAS 登记号为 56-49-5。
分子式 C21H16，分子量 268.4。
别名/同义词：3-甲基胆蒽、3-methylcholanthrene。
3-甲基胆蒽（CAS 56-49-5）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 56-49-5 |
|---|---|
| PubChem CID | 1674 |
| Molecular formula | C21H16 |
| IUPAC name | 3-methyl-1,2-dihydrobenzo[j]aceanthrylene |
| UNII (FDA) | 214U33M1RL |
| Molecular Weight | 268.4 |
|---|---|
| XLogP3 | 6.4 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 268.125200510 |
| Monoisotopic Mass | 268.125200510 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 21 |
| Boiling Point | 536 °F at 80 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 280 °C at 80 mm Hg |
| Melting Point | 354 to 356 °F (NTP, 1992) |
| Melting Point | 178 °C |
| Melting Point | 180 °C |
| Solubility | In water, 2.9X10-3 mg/L at 25 °C |
| Density | 1.28 g/cu cm at 20 °C |
| Density | 1.28 @ 20°C |
| Vapor Pressure | 6.85e-07 mmHg at 68 °F (NTP, 1992) |
| Vapor Pressure | 0.0000038 [mmHg] |
3-methylcholanthrene; 56-49-5; Methylcholanthrene; 20-Methylcholanthrene; 3-methyl-1,2-dihydrocyclopenta[ij]tetraphene; 3-MCA; 3-Methoxycholanthrene; 20-MC; 3-MeCA; Cholanthrene, 3-methyl-; 1,2-Dihydro-3-methylbenz(j)aceanthrylene; DTXSID0020862; Benz(j)aceanthrylene, 1,2-dihydro-3-methyl-; Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-; 1,2-dihydro-3-methylbenz[j]aceanthrylene; CHEBI:34342
| GHS notification summary | 2.4% (1 / 42) |
|---|
| GHS notification summary | 2.4% (1 / 42) |
|---|---|
| Reported hazard statements | H350 (92.9%), H413 (92.9%) |
This chemical does not meet GHS hazard criteria for 2.4% (1 of 42) of reports.
H350 (92.9%): May cause cancer [Danger Carcinogenicity]
3-methylcholanthrene · CAS 56-49-5 · C21H16. UNII 214U33M1RL. Boiling Point: 536 °F at 80 mmHg (NTP, 1992); Boiling Point: 280 °C at 80 mm Hg; Melting Point: 354 to 356 °F (NTP, 1992).
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 3-methylcholanthrene