β-Carotene Product Specification Alternative Name: Provitamin A Formula: C40H56 MW: 536.9 Source: Synthetic. CAS: 7235-40-7 MI: 14: 1853 Purity: ≥97% Identity: Identity determined by IR. Appearance: Red to deep red powder. Solubility: Soluble in DMSO, n-hexane, carbon disulfide, chloroform (10mg/ml), benzene or vegetable oils; slightly soluble in ether, petroleum ether or oils; almost insoluble in 100% ethanol, methanol, water, diluted acidic or alkaline solutions. Long Term Storage: -20°C Handling: Absorbs oxygen from air. Keep under inert gas. Protect from light. Packaged under inert gas. |