Name | Thiophenol |
Synonyms | Thiophenol THIOPHENOL Phenylthiol Benzenethiol Phenol, thio- benzenethiolate mercapto-benzen PHENYL MERCAPTAN Phenyl mercaptan Rcra waste number P014 benzenethiolnylchloride |
CAS | 108-98-5 |
EINECS | 203-635-3 |
InChI | InChI=1/C6H6S/c7-6-4-2-1-3-5-6/h1-5,7H/p-1 |
Molecular Formula | C6H6S |
Molar Mass | 110.18 |
Density | 1.078 |
Melting Point | -15 °C |
Boling Point | 169°C(lit.) |
Flash Point | 123°F |
JECFA Number | 525 |
Water Solubility | insoluble |
Solubility | DMSO, Ethyl Acetate |
Vapor Presure | 1.4 mm Hg ( 20 °C) |
Vapor Density | 3.8 (vs air) |
Appearance | Liquid |
Color | Clear colorless to slightly yellow |
Odor | Unpleasant |
Exposure Limit | TLV-TWA 0.5 ppm (~2.5 mg/m3 ) (ACGIH). |
Merck | 14,9355 |
BRN | 506523 |
pKa | 6.6(at 25℃) |
Storage Condition | Store at RT. |
Stability | Stable. Flammable. May form explosive mixtures with air. Stench. Incompatible with strong oxidizing agents. |
Sensitive | Stench |
Refractive Index | n20/D 1.588(lit.) |
Physical and Chemical Properties | Colorless to water-white or light yellow flowable liquid. Has an unpleasant diffuse garlic-like odor. Boiling point 169 °c, or 46.4 °c (1333Pa). Insoluble in water, slightly soluble in ethanol and ether, soluble in oil. Natural products are found in boiled beef. |
Use | Used as a pharmaceutical Intermediate |
Risk Codes | R10 - Flammable R24/25 - R26 - Very Toxic by inhalation R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - S16 - Keep away from sources of ignition. |
UN IDs | UN 2337 6.1/PG 1 |
WGK Germany | 3 |
RTECS | DC0525000 |
FLUKA BRAND F CODES | 10-13-23 |
TSCA | Yes |
HS Code | 29309099 |
Hazard Note | Toxic/Stench |
Hazard Class | 6.1 |
Packing Group | I |
A colorless transparent liquid having a strongly irritating odor. Melting Point -14. 80 °c. Boiling point 168.3 C, 46.4 C (1.33kPa). Relative density 1.0766(20 degrees C). Refractive index 1.5893 (20 degrees C). Insoluble in water, soluble in ethanol, and ether, carbon disulfide miscible. In the air will be oxidized, a weak acid.
can be obtained with benzenesulfonic acid or benzenesulfonyl chloride, with zinc and sulfuric acid reduction or electrolytic reduction. Chlorobenzene can also be used as raw materials, and hydrogen sulfide reduction.
This product is used for the synthesis of pesticides and insect phosphorus, rubber accelerator, inhibitor, antioxidant and dye intermediates and raw materials; Pharmaceutical industry for the production of local anesthetics, thiamphenicol, a substitute for chloramphenicol, can also be used to produce polyvinyl chloride stabilizers, emulsion polymerization initiators, silicone oil kinetic retention agents, petroleum additives, etc.