109-80-8
1,3-dimercaptopropane
CAS: 109-80-8
Molecular Formula: C3H8S2
109-80-8 - Names and Identifiers
109-80-8 - Physico-chemical Properties
| Molecular Formula | C3H8S2 |
| Molar Mass | 108.23 |
| Density | 1.078 g/mL at 25 °C (lit.) |
| Melting Point | -79 °C (lit.) |
| Boling Point | 169 °C (lit.) |
| Flash Point | 138°F |
| JECFA Number | 535 |
| Vapor Presure | 5 mm Hg ( 37.7 °C) |
| Vapor Density | >1 (vs air) |
| Appearance | Liquid |
| Specific Gravity | 1.078 |
| Color | Clear light yellow |
| Merck | 14,7801 |
| BRN | 1071197 |
| pKa | 9.86±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals. Store cool. |
| Refractive Index | n20/D 1.539(lit.) |
| Use | Used as a daily flavor |
109-80-8 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 3336 |
| WGK Germany | 3 |
| RTECS | TZ2585500 |
| FLUKA BRAND F CODES | 13 |
| TSCA | Yes |
| HS Code | 29309070 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: > 50 - 300 mg/kg |
109-80-8 - Reference Information
| FEMA | 3588 | 1,3-PROPANEDITHIOL |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA: baked goods, meat products, soup products, snack food, sauce, candy, 0.2mg/kg. |
| Use | for daily flavor |
Last Update：2024-04-09 21:21:28
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