637-89-8
p-Hydroxy Thiophenol
CAS: 637-89-8
Molecular Formula: C6H6OS
637-89-8 - Names and Identifiers
| Name | p-Hydroxy Thiophenol |
| Synonyms | usafb-57 USAF B-57 4-Mercaptophenol Thiohydroquinone 4-sulfanylphenol p-Hydroxythiophenol 4-sulfanylphenolate Phenol, 4-mercapto- 4-Hydroxythiophenol Phenol, p-mercapto- p-Hydroxy Thiophenol 4-Hydroxythiophenol,(4-Mercaptophenol) 4-(Benzylthio)phenol, polymer-supported |
| CAS | 637-89-8 |
| EINECS | 211-307-6 |
| InChI | InChI=1/C6H6OS/c7-5-1-3-6(8)4-2-5/h1-4,7-8H/p-1 |
637-89-8 - Physico-chemical Properties
| Molecular Formula | C6H6OS |
| Molar Mass | 126.18 |
| Density | 1.255 |
| Melting Point | 33-35°C(lit.) |
| Boling Point | 149-150°C25mm Hg(lit.) |
| Flash Point | >230°F |
| Water Solubility | soluble |
| Vapor Presure | 0.00979mmHg at 25°C |
| Appearance | Bright yellow solid |
| Color | Clear colorless to light yellow |
| BRN | 2039306 |
| pKa | 6.82±0.10(Predicted) |
| Storage Condition | Argon filled storage |
| Stability | Stability Air sensitive. Incompatible with oxidizing agents. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5101 (estimate) |
| MDL | MFCD00004850 |
| Use | Used as pharmaceutical and dye intermediates |
637-89-8 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S7/9 - |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | MX7175000 |
| FLUKA BRAND F CODES | 10-13-23 |
| HS Code | 29309090 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | 8 |
| Packing Group | III |
637-89-8 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for pharmaceutical and dye intermediates |
Last Update：2024-04-09 02:00:10
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