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| CAS number | 1066-35-9 |
| Molecular formula | C2H7ClSi |
| Product name | Chlorodimethylsilane |
| Molecular Structure |  |
Appearance：Clear, colorless liquid.
Density：0.852
Boiling Point：34.6ºC
Melting Point：-111ºC
Flash Point：-28ºC
Refractive Index：1.382-1.384
Water Solubility：reacts
Stability：Stable under normal temperatures and pressures.
Storage Condition：0-6ºC
Vapor Density：4 (vs air)
Vapor Pressure：8.56 psi ( 20 °C)
CAS No. 1066-35-9 is a white crystalline powder, also known as 4-Chloro-2-hydroxybenzaldehyde. It is a solid organic compound with a molecular weight of 172.55 g/mol and a melting point of 121-122 °C. It is insoluble in water but is soluble in ethanol, ether and benzene.
4-Chloro-2-hydroxybenzaldehyde is an important intermediate used in the synthesis of pharmaceuticals and other chemicals. It is used in the preparation of flavoring agents and as a precursor in the manufacture of optically active compounds, such as 2-oxazolines. It is also used in the synthesis of compounds for the treatment of bacterial infections, and as a starting material for agrochemicals.
Its reaction with formaldehyde produces 4-chloro-2-hydroxybenzophenone, which is used in the production of dyes and agricultural chemicals. 4-Chloro-2-hydroxybenzaldehyde is also used in the synthesis of specialty organic compounds and in the preparation of 4-Chloro-2-hydroxybenzoic acid and its derivatives.
4-Chloro-2-hydroxybenzaldehyde is a hazardous compound and should be handled with care. It can irritate skin, eyes and respiratory system and should not be inhaled or ingested. When used in pharmaceutical synthesis, it should be handled under strict safety protocols.
