Customization: | Available |
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CAS No.: | 70356-09-1 |
Formula: | C7h6o3 |
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Basic Information:
Product name: Avobenzone
Molecular weight:310.39
CAS No.:70356-09-1
Assay: 99% min
Appearance: White crystalline powder
Loss on drying: 0.5% max
Melting point: 81-86 oC
Heavy metal:0.002% max
UV extinction index:1100-1180(357±2nm,absolute ethyl alcohol)
Avobenzone is an oil soluble ingredient used in sunscreen products to absorb the full spectrum of UVA rays. It is a dibenzoylmethane derivative. Avobenzone exists in the ground state as a mixture of the enol and keto forms, favoring the chelated enol. Its ability to absorb ultraviolet light over a wider range of wavelengths than many organic sunscreen agents has led to its use in many commercial preparations marketed as "broad spectrum" sunscreens. Avobenzone has an absorption maximu of 357 nm
Application Area:
Avobenzone having phenyl ketone group and sterically hindered group in one molecule, is an oil
soluble sunscreen agent that absorbs a wider range of UV wavelengths. It absorbs both UV-A
(380-315 nm that is associated with long term skin damage) and UV-B (315-280 nm that causes
sunburn) rays. Avobenzone is known as one of the most effective sunscreen ingredient.
FAQ
Application Area:
Uridine 5-Mophosphate Disodium are produced through the hydrolytic reaction from Ribonucleic acid(RNA) as raw material by enzymatic catalysis to form four kinds of nucleotides 5- 'AMP (adenosine-5'-monophosphate), 5'-GMP•2Na(guanosine-5'-monophosphate, disodium salt), 5'-CMP(cytidine-5'-monophosphate)-, 5'-UMP•2Na (uridine- 5'-monophosphate,Disodium salt) .By the chromatographic isolation, four kinds of separated 5'-nucleotide products with high purity can be obtained. These products can be widely applied in medicine, reagent, fine chemical industry, and additive of food fields etc.