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| CAS NO | 2409-55-4 |
Molecule formula | C11H16O | Molecular weight | 164.244 |
Customs Code | 29071900 |
Boiling point | 237oC | Melting point | 50-53oC |
Flash Point | 105oC | Water soluble | 不溶 |
Acidity and alkalinity | 不溶 |
Organic synthetic intermediate, used to produce anti-aging agent 2246, anti-aging agent 2246-S, UV absorber UV-326.
It is obtained by the action of p-methylphenol and isobutylene under the catalysis of 732# strongly acidic ion exchange resin. The above reaction was carried out at about 60 ° C. After the reaction was finished, the catalyst was filtered off. The filtrate was added to the methanol caustic soda solution, and the reaction by-product 2,6-was precipitated, filtered, and the ethanol was re-crystallized to obtain 264 antioxidant as a by-product. The filtered filtrate is neutralized with sulfuric acid, distilled, washed with water, and then distilled under reduced pressure, crystallized and filtered to obtain the finished product.
S26: in case of contact with eyes, rinse with plenty of water immediately and send it to the doctor for diagnosis and treatment. S29: do not pour the residue into the drain. S45: If you have an accident or feel uncomfortable, go to the doctor for help immediately (it is better to bring the product container label). S61: avoid discharging to the environment. Refer to the specific instructions/safety data sheet. S36/37/39: Wear suitable protective clothing, gloves and use goggles or mask.
R34: it will cause burns. R51/53: toxic to aquatic organisms, which may lead to long-term adverse effects on aquatic environment.
UN2430
The warehouse is cryodrying ventilated and stored separately from the oxidant.
III
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