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.
Benzophenone 3 & 4
Benzophenone 3 & 4
4-N-OCTOXY BENZOPHENONE We supply and export high quality and purity (above 99%) research chemicals in both large and small quantities. If you have any needs or questions, welcome to contact us. The products can be sent to USA, Brazil, The Czech republic...with special package and can ensure high success rate of customs.
UV-284 RAW MATERIAL FOR ATTITUDE WHITENING FACE WASH - PERSONAL CARE PRODUCT BP-4 Benzophenone-4 Specifications: Items Specification Appearance Off-white or light yellow crystalline Specific extinction E285:460min UV absorbance E325:290min Content 99.0% min PH value 1.2-2.2 Melting point 140â?? min Loss on drying 3.0% max Turbidity in water 4.0 EBC max Heavy metals 5ppm max Gardner color 2.0 max
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
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
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.
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.
Supplier: Octocrylene, etocrilene, benzophenone-1, benzophenone-2, benzophenone-3, benzophenone-4, benzophenone-5, benzophenone-6, benzophenone-9, benzophenone-12
