Beta-carotene, Grade : Medicine Grade, CAS No. : 7235-40-7

We offer beta-carotene.
Cas no.:7235-40-7
formula:c40h56
molecular weight:536.8726
specification of β-carotene（98%）
test items specification
appearance: violet-red or red crystal or crystalline power
odor: odourless
identification: nlt 1.5
a455nm a340nm: 1.14~1.18
a455nm a483nm: 1.14 to 1.18
assay: nlt 98%
loss on drying: nmt 0.2%
melting point: 176.0℃ to 182.0℃
arsenic（as）: nmt 2ppm
heavy metals: nmt 5ppm
residue on ignition: nmt 0.2%
solubility: conform