| Melting point | 17 °C |
| Boiling point | 110-111 °C15 mm Hg(lit.)
|
| density | 1.218 g/mL at 25 °C(lit.)
|
| vapor pressure | 0.04 mm Hg ( 20 °C)
|
| FEMA | 4587 | 3-MERCAPTOPROPIONIC ACID |
| refractive index | n20/D 1.492(lit.)
|
| Fp | 201 °F
|
| storage temp. | Store below +30°C. |
| pka | pK1:;pK2:10.84(SH) (25°C) |
| form | Crystalline Powder, Crystals, and/or Chunks |
| color | White |
| Specific Gravity | 1.218 |
| PH | 2 (120g/l, H2O, 20℃) |
| explosive limit | 1.60%(V) |
| Water Solubility | soluble |
| Sensitive | Air Sensitive & Hygroscopic |
| JECFA Number | 1936 |
| BRN | 773807 |
| InChIKey | DKIDEFUBRARXTE-UHFFFAOYSA-N |
| CAS DataBase Reference | 107-96-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Thiolpropanoic acid(107-96-0) |
| EPA Substance Registry System | 3-Mercaptopropanoic acid (107-96-0) |
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