128-39-2
2,6-Di-tert-butylphenol
CAS: 128-39-2;19126-15-9
Molecular Formula: C14H22O
128-39-2 - Names and Identifiers
| Name | 2,6-Di-tert-butylphenol |
| Synonyms | AN701 2DTBP 2,6-DTBP ethanox 701 2,6-Dibutylphenol 2,6-di-butylphenol 2,6-di-t-butylphenol 2,6-Ditertbutyl phenol 2,6-Bis(t-butyl)phenol 2,6-Di-tert-butylphenol 2,6-di-tert-butyl-phenol 2,6-Bis(tert-butyl)phenol 2,6-bis(tert-butyl)phenol 2,6-Di-(tert-butyl)phenol 2,6-(1,1-Dimethylethyl)phenol 2,6-bis(1,1-dimethylethyl)phenol 2,6-bis(1,1-dimethylethyl)-pheno 2,6-bis(1,1-dimethylethyl)-Phenol |
| CAS | 128-39-2 19126-15-9 |
| EINECS | 204-884-0 |
| InChI | InChI=1/C14H22O.K/c1-13(2,3)10-8-7-9-11(12(10)15)14(4,5)6;/h7-9,15H,1-6H3;/q;+1/p-1 |
128-39-2 - Physico-chemical Properties
| Molecular Formula | C14H22O |
| Molar Mass | 206.32 |
| Density | 0.91 |
| Melting Point | 34-37°C(lit.) |
| Boling Point | 253°C(lit.) |
| Flash Point | 245°F |
| Water Solubility | insoluble |
| Solubility | 0.003g/l |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Appearance | Bright yellow solid |
| Color | White to light yellow |
| BRN | 1841887 |
| pKa | 12.16±0.40(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Stability | Stable. Incompatible with acid chlorides, acid anhydrides, bases, brass, copper, copper alloys, oxidizing agents. |
| Sensitive | Sensitive to light |
| Refractive Index | 1.5312 |
| MDL | MFCD00008820 |
| Physical and Chemical Properties | Character: colorless crystalline mass, with phenol odor. Flammable, with a special odor of alkyl phenols. Soluble in alcohols, esters, alkanes, aromatic hydrocarbons and other organic solvents, almost insoluble in water. melting point 34.69 ℃ boiling point 201.9 ℃ relative density 1.0178 refractive index 1.5312 flash point 86.1 ℃ when the solubility in water is 40 ℃, it reaches 2.3%,100 deg C up to 5%. Soluble in caustic and commonly used organic solvents. |
| Use | Mainly used in the manufacture of natural rubber and synthetic rubber antioxidant, plastic antioxidant, fuel stabilizer, ultraviolet absorber and pesticide, dye intermediates, the main varieties of antioxidants 1010, 1076, 702, 3114, 4426, carapace 4426-S, 2002, 330, 1098, 1088, etc. |
128-39-2 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R38 - Irritating to the 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. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S29 - Do not empty into drains. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 3145 8/PG 3 |
| WGK Germany | 2 |
| RTECS | SK8265000 |
| TSCA | Yes |
| HS Code | 29071900 |
| Hazard Class | 9 |
| Packing Group | III |
128-39-2 - Upstream Downstream Industry
| Raw Materials | Phenol Phenol Isobutene Isobutene |
| Downstream Products | Pentaerythritol tetrakis[3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate] |
128-39-2 - Reference
| Reference Show more | 1. [IF=4.311] Tinghao Jia et al."Effect of phenolic antioxidants on the thermal oxidation stability of high-energy–density fuel."Chem Eng Sci. 2022 Jan;247:117056 |
128-39-2 - Nature
Open Data Verified Data
colorless crystalline block with phenol odor. Flammable. Boiling point 201.9 °c (201.8 °c, 202.5 °c). Melting Point 34. 69 °c. Flash point 86.1 °c (closed Cup). Spontaneous ignition point 559. The relative density was 1. 0178(1. 0341). Refractive index 1. 5312 (5395). The solubility in water reaches 2. 3% at 40 ℃ and 5% at 1 00 ℃. Soluble in caustic and commonly used organic solvents.
Last Update：2025-06-10 22:55:16
128-39-2 - Preparation Method
Open Data Verified Data
toluene and sulfuric acid sulfonation, neutralization, the formation of sodium p-toluenesulfonate after alkali fusion, acidification, distillation to p-cresol product. In order to obtain high purity of p-cresol, there are two processes:
- The p-cresol obtained after rectification is separated by crystallization.
- after sulfonation, the obtained P-toluenesulfonic acid is cooled, crystallized and filtered, and then neutralized, alkali melted, acidified and rectified to obtain a finished product.
Last Update：2022-01-01 10:41:42
128-39-2 - Introduction
Combustible, with a special alkylphenol smell. Soluble in alcohols, esters, alkanes, aromatic hydrocarbons and other organic solvents, almost insoluble in water. It's irritating.
Last Update：2022-10-16 17:13:06
128-39-2 - Application
Open Data Verified Data
raw materials for producing antioxidant 264(2,6-di-tert-butyl-p-cresol) and rubber antioxidant. Phenolic resins and plasticizers can be made in the plastics industry. It is used as a disinfectant in medicine. In addition, it can also be used as raw materials for dyes and pesticides.
Last Update：2025-08-19 16:24:40
128-39-2 - Safety
Open Data Verified Data
see O-cresol. Rat oral LD50 1800mg/kg.
Last Update：2022-01-01 10:41:42
128-39-2 - Reference Information
| freezing point | 35.0 to 37.0 ℃ |
| LogP | 4.5 at 24℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used to make antioxidant 2,6-di-tert-butyl-p-cresol, rubber antioxidant, cresol-formaldehyde resin and plasticizer, used as disinfectant in medicine, also used to make dyes, etc. Used as plastic plasticizer, dye raw material and petroleum antioxidant Antioxidant, surfactant is an antioxidant, it is also used to manufacture a variety of excellent antioxidants and light stabilizers It is mainly used to manufacture natural rubber and synthetic rubber antioxidants, plastic antioxidants, fuel stabilizers, ultraviolet absorbers, pesticides, dye intermediates, etc. The main varieties are antioxidants 1010, 1076, 702, 3114, 4426, fork 4426-S, 2002, 330, 1098, 1088, etc. Organic synthesis intermediates. Antioxidant. Antioxidant The main parent of hindered phenolic antioxidants |
| production method | |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for 128-39-2
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