| melting point | <25 °C |
| boiling point | 118 °C5 mm Hg(lit.) |
| density | 1.25 g/mL at 25 °C(lit.) |
| Vapor pressure | <1 hPa (20 °C) |
| Refractive index | n20/D 1.527(lit.) |
| flash point | >230 °F |
| Storage conditions | 2-8°C |
| solubility | absolute ethanol: 1 mL/mL |
| pka | pK1:9.43 (25°C,μ=0.5) |
| form | Liquid |
| colour | Clear colorless to yellow |
| Odor | Stench odour |
| PH | 3.5-7.0 |
| Water solubility | slightly soluble |
| susceptibility | Air Sensitive & Hygroscopic |
| Merck | 14，9335 |
| BRN | 1732046 |
| InChIKey | PJUIMOJAAPLTRJ-UHFFFAOYSA-N |
| CAS | 96-27-5 |
| EPA Chemical Information | 1,2-Propanediol, 3-mercapto- (96-27-5) |
| NIST Chemical information | Monothioglycerol(96-27-5) |
1-Thioglycerol is a reagent used in fluorescence, spectroscopy, and microbiology techniques. Varying the concentration of 1-thioglycerol in the preparation of CdSe/CdS core-shell ultrasmall quantum dots (CS-USQDs) allows a precise way to control the size of the shell, with shell size increasing with increased concentration. It is used as a capping agent in the synthesis of nanocrystals analyzed via Raman and UV/Vis spectroscopy. Biologically, 1-thioglycerol stimulates porphyrin synthesis and increases glutamyl-tRNA reductase activity in E. coli grown in an aerobic environment. It was previously a component in hair permanents used to produce waves or curls
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