1,2,3,8,9-五氯氧杂蒽（CAS 71925-18-3）：分子式 C12H3Cl5O2、分子量 356.4。
| CAS号 | 71925-18-3 |
|---|---|
| 分子式 | C12H3Cl5O2 |
| 分子量 | 356.4 |
| LogP | 6.7 |
| 应用领域 | Uses: Dioxins occur as by-products from the manufacture of organochlorides、the bleaching of paper、chlorination by waste and drinking water treatment plants、municipal solid waste and industrial incinerators、and natural sources such as volcanoes and forest fires. (L177、L178) |
登记用途：Uses: Dioxins occur as by-products from the manufacture of organochlorides、the bleaching of paper、chlorination by waste and drinking water treatment plants、municipal solid waste and industrial incinerators、and natural sources such as volcanoes and forest fires. (L177、L178)。
1,2,3,8,9-五氯氧杂蒽 是一种化工化合物，登记 CAS 号为 71925-18-3，分子式 C12H3Cl5O2（分子量 356.4）。
登记 CAS 号：71925-18-3
其分子式 C12H3Cl5O2 由 12 个碳、3 个氢、5 个氯、2 个氧 组成。
别名/同义词：1,2,3,8,9-五氯氧杂蒽 · 1,2,3,8,9-pentachlorooxanthrene
1,2,3,8,9-五氯氧杂蒽 的 CAS 登记号为 71925-18-3。
分子式 C12H3Cl5O2，分子量 356.4。
别名/同义词：1,2,3,8,9-五氯氧杂蒽、1,2,3,8,9-pentachlorooxanthrene。
登记用途：Uses: Dioxins occur as by-products from the manufacture of organochlorides、the bleaching of paper、chlorination by waste and drinking water treatment plants、municipal solid waste and industrial incinerators、and natural sources such as volcanoes and forest fires. (L177、L178)。
1,2,3,8,9-五氯氧杂蒽（CAS 71925-18-3）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 71925-18-3 |
|---|---|
| PubChem CID | 51457 |
| Molecular formula | C12H3Cl5O2 |
| IUPAC name | 1,2,3,8,9-pentachlorodibenzo-p-dioxin |
| UNII (FDA) | D4L4KNA6F8 |
| Molecular Weight | 356.4 |
|---|---|
| XLogP3 | 6.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 355.854618 |
| Monoisotopic Mass | 353.857568 |
| Topological Polar Surface Area | 18.5 |
| Heavy Atom Count | 19 |
1,2,3,8,9-Pentachlorodibenzo-p-dioxin; 71925-18-3; UNII-D4L4KNA6F8; D4L4KNA6F8; PCDD 56; Dibenzo(b,e)(1,4)dioxin, 1,2,3,8,9-pentachloro-; 1,2,3,8,9-pentachloro dibenzo-p-dioxin; 1,2,3,8,9-PENTACHLOROOXANTHRENE; Dibenzo-p-dioxin, 1,2,3,8,9-pentachloro; DTXSID1074094; 1,2,3,8,9-PECDD; 1,2,3,8,9-PENTACHLORODIBENZODIOXIN; RefChem:71376; DTXCID5047164; Pentachlordibenzodioxin; VUMZAVNIADYKFC-UHFFFAOYSA-N
| Reported hazard statements | H302 (100%), H400 (100%), H410 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
1,2,3,8,9-pentachlorooxanthrene · CAS 71925-18-3 · C12H3Cl5O2. UNII D4L4KNA6F8.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 1,2,3,8,9-pentachlorooxanthrene