1,2-乙二硫醇（CAS 540-63-6）：分子式 C2H6S2、分子量 94.20。
| CAS号 | 540-63-6 |
|---|---|
| 分子式 | C2H6S2 |
| 分子量 | 94.20 |
| 熔点 | -41.2 °C |
| 沸点 | 146 °C at 760 mm Hg |
| LogP | 0.8 |
1,2-乙二硫醇 是一种化工化合物，登记 CAS 号为 540-63-6，分子式 C2H6S2（分子量 94.20）。
登记 CAS 号：540-63-6
其分子式 C2H6S2 由 2 个碳、6 个氢、2 个硫 组成。
别名/同义词：1,2-乙二硫醇 · Ethylene Mercaptan · 1,2-Ethanedithiol
1,2-乙二硫醇 的 CAS 登记号为 540-63-6。
分子式 C2H6S2，分子量 94.20。
别名/同义词：1,2-乙二硫醇、Ethylene Mercaptan、1,2-Ethanedithiol。
1,2-乙二硫醇（CAS 540-63-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 540-63-6 |
|---|---|
| PubChem CID | 10902 |
| Molecular formula | C2H6S2 |
| Molecular weight | 93.99 g/mol |
| IUPAC name | ethane-1,2-dithiol |
| InChIKey | VYMPLPIFKRHAAC-UHFFFAOYSA-N |
| UNII (FDA) | 92T634FLAR |
| FEMA number | 3484 |
| JECFA number | 532 |
| Molecular Weight | 94.20 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 93.99109254 |
| Monoisotopic Mass | 93.99109254 |
| Topological Polar Surface Area | 2 |
| Heavy Atom Count | 4 |
| Boiling Point | 146 °C at 760 mm Hg |
|---|---|
| Boiling Point | 144.00 to 146.00 °C. @ 760.00 mm Hg |
| Boiling Point | 146 °C; 46-47 °C (6 mm Hg) |
| Boiling Point | 146 °C @760 [mm Hg] |
| Melting Point | -41.2 °C |
| Density | 1.123 at 23.5 °C |
| Density | 1.123-1.124 (d20/4) |
| Density | 1.124 @25 °C |
| Vapor Pressure | 5.61 [mmHg] |
| Vapor Pressure | 5.68 [mm Hg] @25 °C |
1,2-ETHANEDITHIOL; 540-63-6; Ethane-1,2-dithiol; 1,2-Dimercaptoethane; Dithioglycol; Ethylene mercaptan; Ethylenedithiol; Ethylene dithioglycol; Ethylene dimercaptan; Ethylenedimercaptan; Dithioethyleneglycol; S-Ethylene dimercaptan; Ethylene glycol, dithio-; 1,2-Dithiol ethane; Ethyl hydropersulfide; FEMA No. 3484
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Savory No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H226 (94.8%), H301 (23.1%), H302 (76.9%), H310 (14%), H312 (10.1%), H319 (14.3%), H330 (16.6%) |
|---|
H226 (94.8%): Flammable liquid and vapor [Warning Flammable liquids]
H301 (23.1%): Toxic if swallowed [Danger Acute toxicity, oral]
1,2-Ethanedithiol is identified by CAS 540-63-6, molecular formula C2H6S2 and molecular weight 93.99 g/mol. UNII 92T634FLAR; InChIKey VYMPLPIFKRHAAC-UHFFFAOYSA-N. Boiling Point: 146 °C at 760 mm Hg; Boiling Point: 144.00 to 146.00 °C. @ 760.00 mm Hg; Boiling Point: 146 °C; 46-47 °C (6 mm Hg).
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Ethylene Mercaptan