Vitamin E 1959-2-9
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| Post Date: | Apr 24,2013 |
| Expiry Date: | Apr 24,2014 |
| Detailed Description: |
Cas No. :1959-2-9
Quantity: 1Kilograms Payment Method: T/T , Western Union Welcome to ask for price list Specialize in various of steroids High business reputation & credibility 100% High quality and very competitive price Stock up within 24hr 24hr online service maxsource08[at]yahoo[dot]com "Product Name: Vitamin E CAS: 59-02-9 EINECS NO.: 200-412-2 MF: C29H50O2 Purity:99% Standard:USP/BP/EP Packing: Aluminum foil bag/wooden drum Usage:vitaminE is used to refer to a group of fatsoluble compounds that include both tocopherols and tocotrienols.There are many different forms of vitamin E, of which γ-tocopherol is the most common in the North American diet. γ-Tocopherol can be found in corn oil, soybean oil, margarine and dressings.α-Tocopherol, the most biologically active form of vitamin E, is the second most common form of vitamin E in the North American diet. This variant of vitamin E can be found most abundantly in wheat germ oil, sunflower, and safflower oils. It is a fatsoluble antioxidant that stops the production of reactive oxygen species formed when fat undergoes oxidation. ITEM SPECIFICATIONS RESULTS Appearance Slightly yellow, clear, viscous oil Qualified Assay by G.C 98.0—102.0% 98.8% Identity Corresponds Qualified Infrared spectrum Meets EP requirement Qualified Option rotation -0.01°~ +0.01° Qualified Density(20°C) 0.952—0.966g/ml 0.955g/ml Refractive index(20°C) 1.494—1.498 1.496 Related substances Impurities A, C: for each impurity ≤ 0.5% Impurity B ≤ 1.5% Sum of impurity D+E ≤ 1.0% Any other impurities: Meet EP requirements Total impurities: ≤ 2.5% Qualified Absorbance in ethanol: At about 284nm (max) At about 254nm (min) 42.0—45.0 7.5—9.0 44.0 8.8 Acidity Max.1.0ml of 0.1 N NaOH 0.04 ml Sulphated ashes ≤0.1% 0.03% " |
| CAS Registry Number: | 1959-2-9 |
| Company: | maxsource08 [ China ] |
| Contact: | Kristy |
| Tel: | 862783555670 |
| Fax: | 862783555670 |
| Email: | maxsource08@hotmail.com |
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