576-26-1
2,6-Dimethylphenol
CAS: 576-26-1
Molecular Formula: C8H10O
576-26-1 - Names and Identifiers
| Name | 2,6-Dimethylphenol |
| Synonyms | 2,6-Xylenlo 2,6-Xylenol VIC-M-XYLENOL 1,2,6-Xylenol 2,6-Dimethylphenol 2,6-dimethyl phenol 2,6-DIMETHYLPHENOL PESTANAL 1,3-Dimethyl-2-hydroxybenzene |
| CAS | 576-26-1 |
| EINECS | 209-400-1 |
| InChI | InChI=1/C8H10O/c1-6-4-3-5-7(2)8(6)9/h3-5,9H,1-2H3 |
| InChIKey | NXXYKOUNUYWIHA-UHFFFAOYSA-N |
576-26-1 - Physico-chemical Properties
| Molecular Formula | C8H10O |
| Molar Mass | 122.16 |
| Density | 1.15 |
| Melting Point | 43-45°C(lit.) |
| Boling Point | 203°C(lit.) |
| Flash Point | 173°F |
| JECFA Number | 707 |
| Water Solubility | 10 g/L (20 ºC) |
| Solubility | 8g/l |
| Vapor Presure | 0.2 hPa (20 °C) |
| Appearance | Low Melting Solid |
| Color | Colorless to yellow-brownish |
| Exposure Limit | ACGIH: TWA 1 ppm |
| Merck | 14,10082 |
| BRN | 1446677 |
| pKa | pK1:10.59 (25°C) |
| PH | 6-7 (8g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Very flammable. Incompatible with oxidizing agents, acid chlorides, acid anhydrides, steel, copper, copper alloys, bases, acid chlorides. |
| Explosive Limit | 1.4%(V) |
| Refractive Index | 1.5371 |
| Physical and Chemical Properties | Leaf flake or needle-like crystals or colorless solid. The melting point of 49 deg C, boiling point of 203 deg C. Soluble in alcohol, ether, chloroform, benzene and alkali solution, slightly soluble in water. |
| Use | It is used in the production of Polyphenylene ether resins, photographic agents, pesticides, polyester and Polyether resins, and is also the raw material of antiarrhythmic drugs for slow heart rhythm. |
576-26-1 - Risk and Safety
| Risk Codes | R24/25 - R34 - Causes burns 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.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2261 6.1/PG 2 |
| WGK Germany | 2 |
| RTECS | ZE6125000 |
| TSCA | Yes |
| HS Code | 29071400 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 296 mg/kg LD50 dermal Rabbit 1000 mg/kg |
576-26-1 - Reference Information
| FEMA | 3249 | 2,6-XYLENOL |
| LogP | 2.3 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used in the production of polyphenylene ether resins, photographic agents, pesticides, polyesters and polyether resins. 2, 6-xylenol can be prepared by hydroxypropylation, oxidation, condensation, hydrogenation and salt formation to prepare antiarrhythmic drugs slow heart rhythm. It is used in the production of polyphenylene ether resins, photographic agents, pesticides, polyesters and polyether resins. It is also a raw material for antiarrhythmic drugs and chronic heart rhythm. Used in organic synthesis and antiseptic disinfection, medicine, solvents and antioxidants |
| production method | phenol or o-cresol is used as raw material, gas phase catalytic reaction is carried out with methanol, and then purified by rectification, the purity of the product can reach more than 99%. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 296 mg/kg; Oral-mouse LD50: 450 mg/kg |
| stimulation data | eye-rabbit 100 mg moderate |
| flammability hazard characteristics | combustible, decomposition of toxic chloride gas during combustion |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from food raw materials, alkalis and oxidants |
| fire extinguishing agent | carbon dioxide, sand, foam, dry powder |
| occupational standard | STEL 2 mg/m3 |
| spontaneous combustion temperature | 555°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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