Description
dl-alpha-TocopherolQuick Details
Chemical Name:dl-alpha-Tocopherol
CAS No.: 10191-41-0
Molecular Fomula:C29H50O2
Molecular weight:430.71
Appearance:Slightly yellow to amber ,clear ,viscous oil
Assay:99%
dl-alpha-TocopherolTypical Properties
Item
Methods
Standard
Results
Appearance
Visual
Slightly yellow to amber ,clear ,viscous oil
Identification
E307/JECFA/GB
Conform
Conform
Chromaticity
ASTM
≦4.0
1.0
Refractive index
E307/JECFA/GB
1.503~1.507
1.506
Specific absorption
E307/JECFA/GB
72~76
73
Acidity
USP/FCC/JECFA/GB
≦1.0ml
0.05ml
Impurity A
EP
/
<0.1%
Impurity B
EP
/
0.12%
Sum of impurity C and D
EP
/
<0.10%
Tocopheryl acetate
EP
/
<0.10%
Any other impurity
EP
/
0.65%
Total impurities
EP
/
0.77%
Residue on ignition
E307/JECFA/GB
≦0.1%
0.05%
Arsenic
ChP
≦1 ppm
<1 ppm
Lead
E307/JECFA/GB
≦2 mg/kg
<0.5mn/kg
Deithyl carbonate
In house
≦5000ppm
<5ppm
Moulds and Yeasts count
GB4789.15
≦100cfu/g
<10cfu/g
Aerobic plate count
GB4789.2
≦100cfu/g
<10cfu/g
Coloforms
GB4789.3
<3.0MPN/g
<3.0MPN/g
Salmonella
GB4789.4
n.d./25g
Not detected
Escherichia coli
GB4789.38
<10cfu/g
<10cfu/g
Staphylococcus aureus
GB4789.1
n.d./25g
Not detected
Assay
EP/USP
96.0%~102.0%
99.5%
dl-alpha-TocopherolUsage
1、Antioxidants protect cells from oxidative stress or injury.
2、Food additives, medicine
dl-alpha-Tocopherol Packaging
Packing:200 kg drum , ICB
Delivery:by air ,by sea ,by courier
dl-alpha-Tocopherol Storage
Stored in a cool dry place out of direct sunlight.
