USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $15.00-50.00 / Kilogram
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chemical name: 2-hydorxy-4-methoxy-benzophenone
english name: 2-hydorxy-4-methoxy-benzophenone
molecular formula: c14h12o3
molecular weight: 228.24
structural formula:
quality standard:
item standard | first class | qualified |
appearance | light yellow crystalline powder | light yellow crystalline powder |
melting point | 62-65℃ | 61-65℃ |
ash point | ≤0.1% | ≤0.1% |
content | ≥99.0% | ≥99.0% |
drying loss | ≤0.5% | ≤0.5% |
decomposition temperature | 320℃ | 320℃ |
heavy metal | <5ppm | <5ppm |
property & use: the product is light yellow crystalline powder. easily soluble in ethyl alcohol, acetone and other organic solvents, insoluble in water, non-toxic, can absorb 234-400nm uv. it is suitable for light transparent rubber products. as uv absorber for soft and hard pvc, polyester, ps and acrylic resin; as uv light absorber for vinyl coating, pu coating and alkyd resin paint. the dosage is 0.15-1.5%.
meanwhile, class i sunscreen approved by the fda