bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide
Antioxidant 300
CAS: 96-69-5
Molecular Formula: C22H30O2S
bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide - Names and Identifiers
| Name | Antioxidant 300 |
| Synonyms | antagecrystal antioxidantao Disperse MB-61 Antioxidant 300 antioxidanttmb6 Rubber Antioxidant 300 4,4'-Thiobis(6-Tert-Butyl-M-Cresol) 4,4'-Thiobis(6-tert-butyl-3-methylphenol) 5-t-Butyl-4-hydroxy-2-methylphenyl sulfide 4,4'-Thio-bis(6-tert-butyl-m-methyl phenol) 4,4'-sulfanediylbis(2-tert-butyl-5-methylphenol) bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide Bis(4-hydroxy-5-tert-butyl-2-methylphenyl) sulfide |
| CAS | 96-69-5 |
| EINECS | 202-525-2 |
| InChI | InChI=1/C22H30O2S/c1-13-9-17(23)15(21(3,4)5)11-19(13)25-20-12-16(22(6,7)8)18(24)10-14(20)2/h9-12,23-24H,1-8H3 |
| InChIKey | HXIQYSLFEXIOAV-UHFFFAOYSA-N |
bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide - Physico-chemical Properties
| Molecular Formula | C22H30O2S |
| Molar Mass | 358.54 |
| Density | 1.06~1.12g/cm3 |
| Melting Point | 160-165 °C |
| Boling Point | 460.94°C (rough estimate) |
| Flash Point | 215 °C |
| Water Solubility | <0.01 g/100 mL at 18 ºC |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.001Pa at 20℃ |
| Appearance | Fine white to gray powder. |
| Color | White to Off-White |
| pKa | 10.76±0.36(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.5200 (estimate) |
| MDL | MFCD00026287 |
| Physical and Chemical Properties | White to tan powder. |
| Use | Non-polluting antioxidant, mainly used for polyethylene packaging film and white and light-colored rubber products, can also be used for rubber dairy products, ABS resin, etc |
bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S36/37 - Wear suitable protective clothing and gloves. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | WGK 2 water endanger |
| RTECS | GP3150000 |
| HS Code | 29309070 |
| Toxicity | LD50 orally in Rabbit: 2345 mg/kg |
bis(4-hydroxy-5-tert-butyl-2-methylphenyl)sulfide - Reference Information
| LogP | 5.24 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | non-polluting antioxidant, mainly used for polyethylene packaging film and white and light-colored rubber products, can also be used for rubber dairy products, ABS resin, etc. |
| production method | synthesis of 1.3-methyl -6-tert-butyl phenol, aluminum trichloride and concentrated sulfuric acid were added to the reaction kettle, and heated to 310-320 ° C. Under stirring to carry out alkylation reaction. After completion of the reaction, the reaction product was neutralized and distilled to give 3-methyl-6-tert-butylphenol. 2.3-methyl -6-tert-butylphenol is reacted with sulfur dichloride at a temperature of 45-50 °c. After the end of the reaction with petroleum ether dissolved and cooled crystals, and then filtered, washed, dried, that is to obtain the finished product. |
| spontaneous combustion temperature | 402°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:53
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