Methylenebisdibutylphenol
4,4'-Methylenebis(2,6-di-tert-butylphenol)
CAS: 118-82-1
Molecular Formula: C29H44O2
Methylenebisdibutylphenol - Names and Identifiers
| Name | 4,4'-Methylenebis(2,6-di-tert-butylphenol) |
| Synonyms | RALOX 02 S RALOX(R) 02 S Antioxidant702 Antioxidant 728 RARECHEM AQ BD 0024 TIMTEC-BB SBB007948 Galvinoxyl Precursor Methylenebisdibutylphenol Tetra-tert-butylbisphenol F 4,4'-methylenebis(2,6-di-t-butylphenol) 4,4'-Methylenebis(2,6-di-tert-butylphenol) 4,4'-methylenebis(2,6-di-tert-butyl-phenol) 4,4'-Methylene bis(2,6-di-tert-butylphenol) 4,4'-methanediylbis(2,6-di-tert-butylphenol) 2,2,6,6-tetra-tert-butyl-4,4-methylenediphenol 2,2',6,6'-tetra-tert-butyl-4,4'-methylenediphenol 4,4'-methylenebis(2,6-bis(1,1-dimethylethyl)-pheno 4,4'-methylenebis(2,6-bis(1,1-dimethylethyl)phenol) 4,4-Methylene-bis-[2,6-bis-(1,1-dimethylethyl)phenol] 3,3,5,5-Tetra-tert-butyl-4,4-dihydroxydiphenylmethane 4,4-Dihydroxy-3,3,5,5-tetra-tert-butyldiphenylmethane 2,6-ditert-butyl-4-(3,5-ditert-butyl-4-hydroxy-benzyl)phenol 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol |
| CAS | 118-82-1 |
| EINECS | 204-279-1 |
| InChI | InChI=1/C29H44O2/c1-26(2,3)20-14-18(15-21(24(20)30)27(4,5)6)13-19-16-22(28(7,8)9)25(31)23(17-19)29(10,11)12/h14-17,30-31H,13H2,1-12H3 |
| InChIKey | MDWVSAYEQPLWMX-UHFFFAOYSA-N |
Methylenebisdibutylphenol - Physico-chemical Properties
| Molecular Formula | C29H44O2 |
| Molar Mass | 424.66 |
| Density | 0.99 g/cm3 (20℃) |
| Melting Point | 155-159°C(lit.) |
| Boling Point | 289°C40mm Hg(lit.) |
| Flash Point | 289°C/40mm |
| Water Solubility | 31.9ng/L at 20℃ |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White to yellow powder |
| Color | White |
| BRN | 1916919 |
| pKa | 12.03±0.40(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable for 2 years from date of purchase as supplied. Solutions are not stable. Solutions must be made fresh and used within 1 working day. |
| Refractive Index | 1.4875 (estimate) |
| MDL | MFCD00008822 |
Methylenebisdibutylphenol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R38 - Irritating to the skin R37 - Irritating to the respiratory system R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | SL9650000 |
| TSCA | Yes |
| HS Code | 29072990 |
| Toxicity | LD50 oral in rat: > 24gm/kg |
Methylenebisdibutylphenol - Reference Information
| LogP | 8.9 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | suitable for oxidation resistance of polyethylene, polypropylene, polystyrene, ABS resin and polyester |
Last Update：2024-04-09 02:00:06
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