溴化乙锭（CAS 1239-45-8）：分子式 C21H20N3.Br、分子量 394.3。
| CAS号 | 1239-45-8 |
|---|---|
| 分子式 | C21H20N3.Br |
| 分子量 | 394.3 |
| 熔点 | 260-262 °C (decomposes) |
| LogP | -1.1 |
| 应用领域 | Uses: Used in the determination of nucleic acids and as an antimicrobial (Trypanosoma)、[Merck Index]、Used as a DNA probe |
登记用途：Uses: Used in the determination of nucleic acids and as an antimicrobial (Trypanosoma)、[Merck Index]、Used as a DNA probe。
溴化乙锭 是一种化工化合物，登记 CAS 号为 1239-45-8，分子式 C21H20N3.Br（分子量 394.3）。
登记 CAS 号：1239-45-8
其分子式 C21H20N3.Br 由 21 个碳、20 个氢、3 个氮、1 个溴 组成。
别名/同义词：溴化乙锭 · Ethidium bromide
溴化乙锭 的 CAS 登记号为 1239-45-8。
分子式 C21H20N3.Br，分子量 394.3。
别名/同义词：溴化乙锭、Ethidium bromide。
登记用途：Uses: Used in the determination of nucleic acids and as an antimicrobial (Trypanosoma)、[Merck Index]、Used as a DNA probe。
溴化乙锭（CAS 1239-45-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 1239-45-8 |
|---|---|
| PubChem CID | 14710 |
| Molecular formula | C21H20N3.Br |
| IUPAC name | 5-ethyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide |
| UNII (FDA) | 059NUO2Z1L |
| Molecular Weight | 394.3 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 393.08406 |
| Monoisotopic Mass | 393.08406 |
| Topological Polar Surface Area | 55.9 |
| Heavy Atom Count | 25 |
| Melting Point | 260-262 °C (decomposes) |
|---|---|
| Melting Point | 238-240 °C |
| Flash Point | >100 °C |
| Density | 0.34 g/cm³ |
| LogP | -1.1 |
ETHIDIUM BROMIDE; 1239-45-8; Homidium bromide; Dromilac; 3,8-Diamino-5-ethyl-6-phenylphenanthridinium bromide; EtBr; Ethydium bromide; Bromure d'homidium; Bromuro de homidio; Homidii bromidum; 2,7-Diamino-10-ethyl-9-phenylphenanthridinium bromide; 2,7-Diamino-9-phenyl-10-ethylphenanthridinium bromide; 2,7-Diamino-9-phenylphenanthridine ethobromide; DTXSID8025258; NSC-268986; RD 1572
| Reported hazard statements | H302, H330, H341, H331 (26.5%) |
|---|
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
Ethidium bromide · CAS 1239-45-8 · C21H20N3.Br. UNII 059NUO2Z1L. Melting Point: 260-262 °C (decomposes); Melting Point: 238-240 °C; Flash Point: >100 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Ethidium bromide