Appearance : White or light yellow crystalline powder Assay :99.0% min. Heavy metals :5ppm max. Colour (Gardner-10% aqueous solution) :1.0 max. Loss on drying a.5.0% max b. 3.0% max PH value :1.2-2.2 UV Absorbance Max @285nm 460 min. UV Absorbance Max @325nm 290 min. Melting Point (ípC) :140 min. Turbidity in water (EBC) :1.5 max 500KG per lot no.
Appearance: White or Light yellow crystalline powder Assay: 99.0% min Loss on drying: 0.1% max. Melting point: 142.0íp C-146.0 íp C Specific Extinction (E290): 630 min. Gardner color: 3.0 max. PH: 6 Burnt Residue: 0.5 max Heavy Metals: 5 ppm max 500KG PER LOT NO
Appearance: Light yellow crystalline powder Assay: í¦ 99.0% Loss on drying: í_ 0.5% Melting point: í¦ 195.0íp C Color: í_ 3.0 A1/1(345nm): í¦ 580 Turbidity: 12 NTU. 500kg per lot no
Apperance: Light yellow crystalline powder Assay: 99.0% min Loss on drying: 0.2% max Melting point: 62.0-65.0 deg C Burnt residue: 0.1%max Heavy metals: 5ppm max Specific extinction(E288): 630min (E325) 410min. 1000kg per lot no.
Apperance:Pale yellow liquid Assay:98%min Acidity: 0.18ml/g max Refractive Index: 1.561-1.571 Specific Gravity: 1.045-1.055 Specific Extenction(E1%,1cm): 340í_E303í+2í_370. 1000kg per lot no.
Benzophenone
Our company sells the products produced by Chongqing Changfeng Chemical Industry Co., Ltd., the world's largest benzophenone manufacturer; First class quality This product can be used in perfumery to produce perfume fixative. UV absorbers for polymers, photosensitizers for film coatings, and pigments. It can also be used to synthesize antihistamines, bacteriostatic agents, etc. Project Index Melting point 47.5 49.0 Benzophenone purity 99.80 Benzene content 0.030 Benzoic acid content 0.0020 4-methylbenzophenone content 0.030 4-chlorobenzophenone content 0.030 Chroma number APHA 50 Our company provides Benzophenoneï¼?Uv Absorber, Ultraviolet Absorbent, Hindered Amine Light Stabilizer, Light Stabilizer, Uv Absorber, Antioxidant, Optical Brightener, Photoinitiator
Benzophenone(CAS:119-61-9)
Benzophenone Chemical name : benzophenone Molecular weight : 182.2 Cas no. : 119-61-9 Appearance : white flake or white crystalline powder Content : 99.5%min (flake), 99.9%min (powder) Solution in methanol : clear and colorless solution Solubility : soluble in alcohol, either and chloroform, insoluble in water Packing : 200lbs net/fiber drum (10.886 tons/20fcl) 50kgs net/fiber drum (10 tons/20'fcl) 100kgs net/fiber drum (16 tons/40fcl) 25kgs net/bag (15 tons/20'fcl) Uses : as a photoinitiator in uv-cured resins, inks and coatings. Use in manufacturing of benzophenone hydrazine and as raw material for pharmaceuticals. 200lbs net/fiber drum (10.886 tons/20fcl) 50kgs net/fiber drum (10 tons/20'fcl) 100kgs net/fiber drum (16 tons/40fcl) 25kgs net/bag (15 tons/20'fcl)
