Synonyms: -carotene Cas no.: 7235-40-7 Einecs no.: 230-636-6 Inci name: carotene Empirical formula: c40h56 Molecular mass: 536.88 g/mol Specifications Appearance: red-brown crystalloid powder Light absorption (in cyclohexane): (1) maximum absorption: at 453¿c457nm (2) relative extinction at 340 nm: max. 0.080 Beta carotene content: 96-101% Heavy metals: max. 10ppm Lead: max. 2ppm Arsenic: max. 1ppm 1kg in one aluminium foil bag