| Melting point |
15-18 °C (lit.) |
| Boiling point |
110-111 °C/15 mmHg (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.) |
| Flash point |
201 °F |
| storage temp. |
Store below +30°C. |
| solubility |
Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| 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℃) |
| Odor |
sulfurous roasted |
| Odor Type |
sulfurous |
| explosive limit |
1.60%(V) |
| Water Solubility |
soluble |
| Sensitive |
Air Sensitive & Hygroscopic |
| JECFA Number |
1936 |
| BRN |
773807 |
| Stability |
Air Sensitive, Hygroscopic |
| Cosmetics Ingredients Functions |
DEPILATORY
HAIR WAVING OR STRAIGHTENING
REDUCING |
| InChI |
1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5) |
| InChIKey |
DKIDEFUBRARXTE-UHFFFAOYSA-N |
| SMILES |
OC(=O)CCS |
| LogP |
-2.3 at 22℃ |
| 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) |
| Absorption |
cut-off at 270nm |
