109-80-8
| Name | 1,3-Dimercaptopropane |
| CAS | 109-80-8 |
| EINECS(EC#) | 203-706-9 |
| Molecular Formula | C3H8S2 |
| MDL Number | MFCD00004904 |
| Molecular Weight | 108.23 |
| MOL File | 109-80-8.mol |
Chemical Properties
| Appearance | colourless to slightly yellow liquid |
| Melting point | -79 °C (lit.) |
| Boiling point | 169 °C (lit.) |
| density | 1.078 g/mL at 25 °C(lit.) |
| vapor density | >1 (vs air) |
| vapor pressure | 5 mm Hg ( 37.7 °C) |
| FEMA | 3588 |
| refractive index | n |
| Fp | 138 °F |
| storage temp. | 2-8°C |
| form | Liquid |
| pka | 9.86±0.10(Predicted) |
| color | Clear light yellow |
| Specific Gravity | 1.078 |
| Odor | at 0.10 % in propylene glycol. meaty sulfurous |
| Stability: | Stable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals. Store cool. |
| biological source | synthetic |
| Odor Type | meaty |
| Water Solubility | <0.1 g/100 mL at 21 ºC |
Safety Data
| Symbol(GHS) |   GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H226-H301-H315 |
| Precautionary statements | P210-P233-P240-P241-P301+P310-P303+P361+P353 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | 3336 |
| WGK Germany | 3 |
| RTECS | TZ2585500 |
| F | 13 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29309070 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 3 Oral Flam. Liq. 3 Skin Irrit. 2 |