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Pemasok yang Diaudit CAS 68-11-1 99% purity Mercaptoacetic acid for Curling agent
| Mercaptoacetic acid Basic information | |
| Product Name: | Mercaptoacetic acid |
| CAS: | 1968/11/1 |
| MF: | C2H4O2S |
| MW: | 92.12 |
| EINECS: | 200-677-4 |
| Mercaptoacetic acid Chemical Properties | |
| Melting point | −16 °C(lit.) |
| Boiling point | 96 °C5 mm Hg(lit.) |
| density | 1.326 g/mL at 20 °C(lit.) |
| vapor density | 3.2 (vs air) |
| vapor pressure | 0.4 mm Hg ( 25 °C) |
| refractive index | n20/D 1.505(lit.) |
| Fp | 126 °C |
| storage temp. | 2-8°C |
| pka | 3.68(at 25ºC) |
| form | Liquid |
| color | clear clear, colorless |
| PH | 1 (H2O, 20ºC) |
| Water Solubility | soluble |
| Sensitive | Air Sensitive |
| Merck | 149,336 |
| BRN | 506166 |
| Exposure limits | TLV-TWA 1 ppm (~3.8 mg/m3) (ACGIH). |
| InChIKey | CWERGRDVMFNCDR-UHFFFAOYSA-N |
| CAS DataBase Reference | 68-11-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Acetic acid, mercapto-(68-11-1) |
| EPA Substance Registry System | Thioglycolic acid (68-11-1) |
| Item | Specification | ||
| TGA% | ≥99 | ≥90 | ≥85 |
| Pt-Co) | ≤30 | ≤50 | ≤100 |
| Fe | ≤0.2ppm | ≤0.2ppm | ≤0.5ppm |
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