Manufacturer Provide Best Price Vitamin a Palmitate with High Purity CAS 79-81-2
Introduction
1.Product Name:Vitamin A palmitate
2.CAS NO: 79-81-2
3.Purity: 1,857,000 Iu/G
4.Appearance:Yellow Crystal Powder
5.Molecular formula: C36H60O2
6.Molecular weight :524.86
7.Melting Point :28-29℃
8.Solubility : Soluble in chloroform (slight), ethyl acetate (slight), methanol (very slight)
9.Storage :Keep in a cool,dry,dark location in a tightly sealed container or cylinder.
Vitamin A Palmitate, chemical name as retinol acetate, is the earliest vitamin being discovered.Vitamin A Palmitate powder is a group of unsaturated nutritional organic compounds, that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids, among which beta-carotene is the most important.
Items | Specification | Result |
Description | Yellow Crystal Powder | Conform |
Identification A: Thin-Layer Chromatographic B: Related substance C: Color reaction | To conform, EP To conform, EP To conform, EP | Conform |
Related substance ratios A300/A326 A350/A326 A370/A326 | ≤ 0.60, EP ≤ 0.54, EP ≤ 0.14, EP | 0.57 0.51 0.11 |
Retinol | ≤ 1.0% , EP ( or HPLC) | n.d |
Acid Value | ≤ 2.0% , EP | 0.7 |
Peroxide value | ≤10.0, EP | 1.2 |
Heavy metals ( as pb) | ≤ 5 mg/kg, CP | Less than 5 mg/kg |
Arsenic | ≤ 1 mg/kg, CP | Less than 1 mg/kg |
Microbiological tests Total bacteria count Total mold& yeast count Coliforms Salmonella | ≤ 1000 cfu/g, GB/T 4789 ≤ 100 cfu/g, GB/T 4789 Less than 30 mpn 100G, GB/T 4789 n.d /10g, SNO332 | Less than 10 cfu/g Less than 10 cfu/g Less than 30 mpn/100g n.d |
Assay | ≥1,800,000 IU/g, EP | 1,857,000 IU/g |