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CAS: 101-84-8
Structure formula: C12H10O
Alias | Oxydibenzene Diphenyl Oxide phenoxybenzene 1,1'-oxydibenzene Di(diiphenyl) ether |
CAS | 101-84-8 |
EINECS | 202-981-2 |
chemical formula | C12H10O |
molecular weight | 170.207 |
inchi | InChI=1/C12H10O/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H |
density | 1.063g/cm3 |
melting point | 26-30℃ |
boiling point | 258.3°C at 760 mmHg |
flash point | 99.3°C |
Water solubility | 17 g/L (20℃) |
Dangerous goods sign | Xn - hazardous substances |
Risk terminology | R36/37/38 - irritating to eyes, respiratory system and skin. |
R51/53 - toxic to aquatic organisms and may have long-term adverse effects on the water environment. | |
Safety terminology | S26 - after accidental contact with eyes, please wash immediately with plenty of water and seek medical advice. S37/39 - wear appropriate gloves and goggles or masks. S57 - use appropriate containers to avoid environmental pollution. S60 - the substance and its container must be disposed of as hazardous waste. |
Dangerous goods transportation number | UN 3077 |
Downstream products | Pentabromodiphenyl ether aldehyde permethrin weak acid brilliant red B decabromodiphenyl ether industrial fungicide |
Colorless crystal or liquid. Flammable. Low toxicity. It has the smell of eucalyptus oil. Soluble in ethanol, ether, benzene and glacial acetic acid, insoluble in water, inorganic acid solution and alkali solution. The relative density is 1.0863. Freezing point 27 ℃. Melting point 28 ℃. Boiling point 258 ℃. The refractive index is 1.5780. Flash point 115 ℃. The spontaneous combustion point is 617.8 ℃.
Chlorobenzene and phenol are condensed in caustic soda solution in the presence of copper oxide catalyst to form diphenyl ether, which is refined by alkali washing and distillation.
Organic synthetic intermediates are widely used in the perfume industry, especially as perfumes for soap, and as raw materials for synthetic resins and other organic synthetic industries. Mixed with biphenyl, it is a good and safe high-temperature organic heat carrier in industry, and can be used for a long time at 350 ℃.
Low toxicity. The maximum allowable concentration in the air of the workplace is 1 × 10-6。 Packed in iron drums, 200kg per barrel. Store and transport according to the regulations on toxic substances.
Manufacturing
