UV blocker

Sunburns and skin cancer caused by exposure to sunlight’s UVA and UVB radiation can be effectively prevented by using sun creams or sunscreen lotions. The active ingredients in these products are commonly aromatic compounds which absorb high energy UV-light. The allowed compounds and maximum concentrations in sunscreens differ among the US, Europe, Japan and other countries due to varying legislation. This product table lists analytical standards for UV blocking substances and the countries where they are allowed to be used.

Try Sigma-Aldrich′s UV blocker neat standards - developed for quality control in the cosmetic industry and for environmental analysis!

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01973 4-Aminobenzoic acid analytical standard
16633 Avobenzone analytical standard
PHR1073 Avobenzone Pharmaceutical Secondary Standard; Certified Reference Material
51825 Bemotrizinol analytical standard
94257 Benzophenone-9 analytical standard
91556 3-Benzylidenecamphor analytical standard
97085 Benzylidene camphor sulfonic acid analytical standard
30184 Bisoctrizole analytical standard
56168 Camphor benzalkonium methosulfate analytical standard
67790 Cinoxate analytical standard
92841 Dioxybenzone analytical standard
68790 Drometrizole trisiloxane analytical standard
55901 Ecamsule analytical standard
PHR1301 Ensulizole(2-Phenylbenzimidazole 5-sulfonic acid) Pharmaceutical Secondary Standard; Certified Reference Material
66761 Ethyl cinnamate analytical standard
55529 2-Ethylhexyl 4-methoxycinnamate analytical standard
52184 2-Ethylhexyl salicylate analytical standard
93465 Ethylhexyl triazone analytical standard
93777 Hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate analytical standard
PHR1085 Homosalate Pharmaceutical Secondary Standard; Certified Reference Material
01479 2-Hydroxy-4-methoxybenzophenone certified reference material, TraceCERT®
05846 Iscotrizinol analytical standard
44189 Isoamyl 4-methoxycinnamate analytical standard
61547 3-(4-Methylbenzylidene)camphor certified reference material, TraceCERT®
PHR1083 Octocrylene Pharmaceutical Secondary Standard; Certified Reference Material
02343 Octocrylene analytical standard
PHR1074 Oxybenzone Pharmaceutical Secondary Standard; Certified Reference Material
59647 Oxybenzone analytical standard
73875 Oxybenzone-(phenyl-d5) analytical standard
74309 Padimate O analytical standard
68569 2-Phenyl-5-benzimidazolesulfonic acid analytical reference material
50572 2,2′-(1,4-Phenylene)bis-1H-benzimidazole-4,6-disulfonic acid analytical reference material
50194 Sulisobenzone analytical standard
74412 Trolamine salicylate analytical standard
93632 Zinc oxide analytical standard