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|Product Name:||2,2'-Dihydroxy-4-methoxybenzophenone||CAS NO:||131-53-3|
|Appearance:||White Or Light Yellow Crystalline Powder||Assay:||99%|
bulk drug intermediates,
pharmaceutical raw materials
2 2'- Dihydroxy -4- Methoxybenzophenone Solaquin Advastab Component 47 CAS 131 53 3
2,2'-hydroxy-4-methoxy-benzophenone, Advastab 47,a pale yellow powder. Freezing point 68 ℃, boiling point 170-175 ℃ (0.133kPa), the relative density of 1.382 (25 ℃). Solubility (g / 100g solvent) 25 ℃ when: 46.6 benzene, n-hexane 2.3, 95% ethanol, 21.4, 22.2 carbon tetrachloride, methyl ethyl ketone 55.3, plasticizers DOP31.1, insoluble in water. The product is an ultraviolet absorber, suitable for PVC, many plastics ABS resin, acrylic resin, polyurethane, melamine resin, cellulose resin and the like. The product is a benzophenone containing two vicinal hydroxyl groups, the strongest ability to absorb ultraviolet rays, ultraviolet light of wavelength 330-370nm strong absorption effect, the disadvantage is also part of the visible light absorption, the article slightly yellow. The product has good compatibility with the resin, usually in an amount of 0.25-3%. In the paint have a good light stability effect. Oral LD50 for rats 10000mg / kg, skin and eye irritation.
This product is slightly hazardous for water Do not allow undiluted product or large quantities to reach ground water, water course or sewage system, without government permission, Do not allow material discharged into the surrounding environment. If used and stored according to specifications. No decomposition. Holding receptacle seal in cool, dry place to ensure that the workplace has a good ventilation or exhaust.
Safety phrases:irCauses burns.ritating substance. Irritating to eyes, respiratory system and skin. Avoid contact with skin and eyes.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.Highly flammable. Cause burns. Away from fire.I company for the production plant, complete production equipment and testing equipment.
|Other name||component of Solaquin|
|CAS register number||131-53-3|
|Appearance||White or light yellow crystalline powder||Conform|
|Loss On Drying||≤0.5%||≤0.31%|
Q1: Are you a manufacturer?
A: Yes, We manufacture bulk products in our factory located in Dawu, Hubei, and produce small quantity and customer synthesis products in our lab located in Wuhan.
Q2: Do you have stock?
A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.
Q3: What certificates and documents do you offer?
A: Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.
Q4: Why should I choose you?
A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over 5 years, in average.
Strict quality control-comes form our sophisticated management system.
Professional and warm sales team-since we believe we can only win via our hard work in a competitive world
Quick response and excellent presale and after sale service-since we believe our customers deserve all the best service.