DI-T-BUTYLHYDROQUINONE
2,5-Di-tert-butylhydroquinone
CAS: 88-58-4
Molecular Formula: C14H22O2
DI-T-BUTYLHYDROQUINONE - Names and Identifiers
| Name | 2,5-Di-tert-butylhydroquinone |
| Synonyms | BHQ DBHQ DBTHQ DTBHQ Dibutylhydroquinone Butylhydroquinone-Tert DI-T-BUTYLHYDROQUINONE 2,5-Di-tert-butylquinol Di-Tertiary Butylhydroquinone 2,5-Di-tert-butylhydroquinone DI-TERT-BUTYL HYDROQUINONE(2,5-) 2,5-Di-Tert-Butyl-1,4-Hydroquinone 2,5-DI-TERT-BUTYL-1,4-HYDROQUINONE (DBHQ) 2,5-Bis(2-Methyl-2-Propyl)-1,4-Benzenediol |
| CAS | 88-58-4 |
| EINECS | 201-841-8 |
| InChI | InChI=1/C14H22O2/c1-13(2,3)9-7-12(16)10(8-11(9)15)14(4,5)6/h7-8,15-16H,1-6H3 |
DI-T-BUTYLHYDROQUINONE - Physico-chemical Properties
| Molecular Formula | C14H22O2 |
| Molar Mass | 222.32 |
| Density | 1,07 g/cm3 |
| Melting Point | 216-218°C(lit.) |
| Boling Point | 321°C |
| Flash Point | 216 °C |
| Water Solubility | 3.8mg/L at 20℃ |
| Solubility | Soluble in acetone, benzene, aqueous alkali, DMSO (25 mg/ml warm), and 100% ethanol. |
| Vapor Presure | 6.6E-05mmHg at 25°C |
| Appearance | White to pale yellow to orange-red powder |
| Color | Light beige to pink-beige |
| BRN | 2049542 |
| pKa | 11.89±0.23(Predicted) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with oxidizing agents. |
| Sensitive | Sensitive to light and air |
| Refractive Index | 1.4576 (estimate) |
| MDL | MFCD00008825 |
| Physical and Chemical Properties | Melting point 215-220°C flash point 216°C |
| Use | Used as antioxidant of natural rubber, synthetic rubber and latex |
DI-T-BUTYLHYDROQUINONE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | MX5160000 |
| TSCA | Yes |
| HS Code | 29072900 |
| Hazard Note | Irritant |
DI-T-BUTYLHYDROQUINONE - Reference Information
| LogP | 274 at 30℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | 2, 5-di-tert-butylhydroquinone, DTBHQ is widely used in synthetic rubber, plastic, resin and other industries. Suitable for natural rubber, synthetic rubber and latex, polyolefin and polyoxymethylene and other plastics, resin and engineering plastics modified with ultraviolet absorber, etc.; All kinds of rubber, developing materials, resins, plastics, oils and adhesives. It is a non-toxic, no bad smell, no pollution of plastic and resin polymerization inhibitor. DTBHQ is used as an inhibitor, particularly in low-pressure environments. As an antioxidant, DTBHQ provides good stability of unsaturated polyester during production and storage. 2, 5-ditert-butylhydroquinone used as natural rubber, synthetic rubber and latex antioxidant, can delay the oxidation of vulcanized rubber and unvulcanized rubber and ultraviolet light aging, is a non-polluting rubber products, |
| Use | is used as an antioxidant for natural rubber, synthetic rubber and latex. It can delay the oxidation aging and ultraviolet aging of vulcanized rubber and unvulcanized rubber. It is a non-coloring and non-polluting antioxidant that does not contaminate rubber products and does not change color under sunlight irradiation. The oxidation resistance is superior to that of the conventional antioxidant, and the heat resistance and flex crack resistance of the rubber product can be improved. Effective amount of 0.5-1. The anti-aging effect of the adhesive is also good. It is easy to disperse and has no effect on vulcanization. The product is suitable for the manufacture of light-colored rubber products, medical supplies, rubber products and adhesive tapes. It can also be used as an antioxidant for oils and synthetic resins. In the plastic industry can be used as polyolefin and polyoxymethylene thermal, light stabilizer. used as antioxidant of natural rubber, synthetic rubber and latex used as antioxidant and stabilizer |
| production method | is obtained by reacting hydroquinone with isobutylene. |
| autoignition temperature | 790 ° F. |
Last Update：2024-04-09 15:16:53
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