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CAS NO.79-81-2
1, Full experience of large numbers containers loading in main Chinese seaports
2, Packing with pallet as buyer's special request
3, Best service after shipment with e-mail
4, Cargoes together with container sales service available
5, Rich experience for exporting
6, Cargoes photo before and after loading into container
7, Raw materials from Chinese origin
8, Hefei TNJ Chemical Industry Co., Ltd.(ISO 9001: 2008), are strong in the field of
pharmaceuticals, food additives, plant extracts and fine chemicals for more than 10 years.
High Quality CAS 79-81-2 Vitamin A Palmitate with good price
Vitamin A Palmitate
Property
Other Name: Vitamin A Palmitate/Retinyl Palmitate/Retinol palmitate
Cas No.: 79-81-2
Molecular Formula: C36H60O2
Molecular Weight: 524.86
Stabilizer: BHT or DL-alpha-Tocopherol (as per customers favourate).
Specification
Appearance: Yellow crystal or liquid
Identification: Positive
Assay: 1.70million iu/g min.
Absorbance ratio (325 nm): 0.85min.
Peroxide value: 1.0 ml of 0.01mol/L Na2S2O3 max.
Acid value: 2.0 max.
Items | Specification | Results |
Appearance | Yellow crystals or oil | Confirms |
Identification | Positive | Confirms |
Assay, M.I.U./G | ≥1.70 | 1.79 |
Absorbance ratio (325nm) | ≥0.85 | 0.92 |
Acid value | ≤2.00 | Confirms |
Peroxides, ml | Mix 1.00ml of 0.01 mol/L NaS2O3 | 0.14 |
Solubility
Vitamin A is soluble in fats and oils and hydrocarbons.
Stability
Excessive heat, light and oxygen will degrade the product.
When stored in an unopened container at 250C, approximately 0.5% loss of potency per month is expected.
Once the container is opened, the contents should be used as rapidly as possible and any unused portion padded with inert gas.
Storage
below 250C will enhance shelf-life but may cause crystallization of the vitamin.
Gentle warming, less than 400C, and thorough mixing before use will melt and homogenize the product.
During processing, the addition of an antioxidant such as dl-alpha tocopherol or BHT is recommended.
Application
It is the main existence form of Vitamin A in nature.
Vitamin A is essential for vision, adequate growth and tissue differentiation.