732-26-3
2,4,6-Tri-tert-butylphenol
CAS: 732-26-3
Molecular Formula: C18H30O
732-26-3 - Names and Identifiers
| Name | 2,4,6-Tri-tert-butylphenol |
| Synonyms | Tributylphenol Antioxidant 246 2,4,6-Tri-tert-bulylphenol 2,4,6-TRI-TERT-BUTYLPHENOL 2,4,6-Tri-tert-butylphenol 2,4,6-tris(1,1-dimethylethyl)-phenol 2,4,6-TRI-TERTIARY BUTYL PHENOL ( TTBP ) |
| CAS | 732-26-3 |
| EINECS | 211-989-5 |
| InChI | InChI=1/C18H30O/c1-16(2,3)12-10-13(17(4,5)6)15(19)14(11-12)18(7,8)9/h10-11,19H,1-9H3 |
| InChIKey | PFEFOYRSMXVNEL-UHFFFAOYSA-N |
732-26-3 - Physico-chemical Properties
| Molecular Formula | C18H30O |
| Molar Mass | 262.43 |
| Density | 0.8640 |
| Melting Point | 125-130 °C (lit.) |
| Boling Point | 277 °C (lit.) |
| Flash Point | 130°C |
| Water Solubility | insoluble |
| Solubility | Chloroform (Slightly), DMSO (Slightly, Sonicated) |
| Vapor Presure | 0.073Pa at 25℃ |
| Appearance | buffered aqueous glycerol solution |
| Color | Off-White to Pale Yellow |
| BRN | 1913256 |
| pKa | 12.61±0.40(Predicted) |
| Storage Condition | -70°C |
| Sensitive | Sensitive to humidity |
| Refractive Index | 1.5029 (estimate) |
| MDL | MFCD00008821 |
| Use | Used as natural rubber antioxidant and synthetic rubber low efficiency stabilizer |
732-26-3 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R22 - Harmful if swallowed R34 - Causes burns R50 - Very Toxic to aquatic organisms R53 - May cause long-term adverse effects in the aquatic environment R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 2430 8/PG 3 |
| WGK Germany | 3 |
| RTECS | SN3570000 |
| FLUKA BRAND F CODES | 8-23 |
| HS Code | 29071990 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 oral in rat: 1670mg/kg |
732-26-3 - Introduction
White or light yellow crystalline powder. No smell. Soluble in most organic solvents such as ethanol, ether and acetone, insoluble in water. Toxic. It's irritating.
Last Update：2022-10-16 17:28:13
732-26-3 - Reference Information
| LogP | 7.1 at 35℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | Antioxidant for plastics and rubber used as natural rubber antioxidant and synthetic rubber low efficiency stabilizer organic synthesis. Aviation Gas Oil Antioxidant. Antioxidants for Natural and Synthetic gums. Low-efficiency stabilizers for Synthetic gums. Heat stabilizer for polyolefins and high-impact polystyrene. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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