Diphenyl sulfone CAS 127-63-9
CAS:127-63-9,
127-63-9 – Names and Identifiers
| Name | Phenyl sulfone |
| Synonyms | s-97 s-127 Difenylsulfon phenylsul Phenyl sulfone Phenyl sul Diphenylsulfone dlphenylsulfone Diphenyl sulfone Diphenyl sul Sulfone, diphenyl 1,1′-sulfonyldibenzene 1,1′-Sulfonylbisbenzene Benzene, 1,1′-sulfonylbis- |
| CAS | 127-63-9 |
| EINECS | 204-853-1 |
| InChI | InChI=1/C12H10O2S/c13-15(14,/h1-10H |
| InChIKey | KZTYYGOKRVBIMI-UHFFFAOYSA-N |
127-63-9 – Physico-chemical Properties
| Molecular Formula | C12H10O2S |
| Molar Mass | 218.27 |
| Density | 1.36 |
| Melting Point | 123-129 °C (lit.) |
| Boling Point | 379 °C (lit.) |
| Flash Point | 184°C |
| Water Solubility | insoluble |
| Solubility | Soluble in hot ethanol, ether and benzene, slightly soluble in hot water, insoluble in cold water. |
| Vapor Presure | 0.001Pa at 50℃ |
| Appearance | White crystal |
| Color | White |
| Merck | 14,3332 |
| BRN | 1910573 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5200 (estimate) |
| MDL | MFCD00007548 |
| Physical and Chemical Properties | Molecular weight 218.27; Melting point 125-129°C; Boiling point 379°C; |
| Use | Used as pharmaceutical, pesticide intermediates |
127-63-9 – Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | SX2400000 |
| TSCA | Yes |
| HS Code | 29309070 |
| Toxicity | LD50 orally in rats: >2 g/kg, Residue Rev. 36, 240 (1971) |
127-63-9 – Reference Information
| LogP | 2.61 |
| use | used in organic synthesis, as plasticizer and acaricide. Used as an intermediate in medicine and pesticide |
| Production method | is obtained by the reaction of benzene and sulfuric acid. |
| category | pesticide |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 2000 mg/kg |
| flammability hazard characteristics | combustion produces toxic sulfur oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | dry powder, foam, sand |
| occupational standard | TLV-TWA 10 mg/m3 |
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