4532-64-3
2,3-butanedithiol
CAS: 4532-64-3
Molecular Formula: C4H10S2
4532-64-3 - Names and Identifiers
| Name | 2,3-butanedithiol |
| Synonyms | Butanedithiol 2,3-Butandithiol 2,3-butanedithiol 2,3-BUTANEDITHIOL butane-2,3-dithiol 1,4-DIMERCAPTOBUTANE 2,3-DIMERCAPTOBUTANE |
| CAS | 4532-64-3 |
| EINECS | 224-870-8 |
| InChI | InChI=1/C4H10S2/c1-3(5)4(2)6/h3-6H,1-2H3 |
4532-64-3 - Physico-chemical Properties
| Molecular Formula | C4H10S2 |
| Molar Mass | 122.25 |
| Density | 0.995 g/mL at 25 °C (lit.) |
| Melting Point | -53.9°C (estimate) |
| Boling Point | 86-87 °C/50 mmHg (lit.) |
| Flash Point | 126°F |
| JECFA Number | 539 |
| Vapor Presure | 2.15mmHg at 25°C |
| Vapor Density | >1 (vs air) |
| Appearance | liquid (estimate) |
| Specific Gravity | 0.995 |
| Color | Colorless to Light yellow to Light orange |
| pKa | 9.93±0.10(Predicted) |
| Refractive Index | n20/D 1.5194(lit.) |
| Physical and Chemical Properties | Boiling point 86 ° C (50 torr) |
4532-64-3 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3336 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 29309090 |
| Hazard Class | 3.2 |
| Packing Group | III |
4532-64-3 - Reference Information
| FEMA | 3477 | 2,3-BUTANEDITHIOL |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): baked products, meat products and soup are all 0.2 (the dosage of total dithiol shall not exceed 1.0). |
| production method | food spices. Used for roast beef, Italian sausage, coffee, etc. |
Last Update：2024-04-09 15:16:46
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