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Vitamin E

CAS No.: 59-02-9
Formula: C29H50O2
Molecular Weight: 430.71
Suppliers: All(0) China Suppliers(12) Products(38)
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What is Vitamin E

(+)-α-Tocopherol, commonly known as vitamin E, is a potent fat-soluble antioxidant essential for maintaining cellular health and protecting the body from oxidative stress. As the most biologically active form of vitamin E, it plays a critical role in neutralizing free radicals, supporting immune function, and promoting skin health. Its antioxidant properties make it a key ingredient in skincare, dietary supplements, and fortified foods. (+)-α-Tocopherol is naturally found in nuts, seeds, and vegetable oils, but it is also synthesized for use in pharmaceuticals and cosmetics. With its ability to stabilize cell membranes and enhance overall wellness, it is a vital nutrient for both internal health and external applications.

Preparation Process: The synthesis of (+)-α-tocopherol begins with the condensation of trimethylhydroquinone (TMHQ) with phytol or isophytol in the presence of a Lewis acid catalyst (e.g., ZnCl₂ or BF₃·Et₂O) under anhydrous conditions. The reaction proceeds via Friedel-Crafts alkylation to form the chroman ring. The mixture is heated at 80–120°C for several hours, followed by purification via vacuum distillation or crystallization. Alternatively, asymmetric synthesis can be achieved using chiral auxiliaries or enzymatic resolution. Key steps include protecting group strategies for regioselectivity and chromatographic separation to isolate the desired (2R,4'R,8'R)-stereoisomer. Yield optimization involves careful control of reaction temperature and stoichiometry.

Usage Scenarios: (+)-α-Tocopherol, the most biologically active form of vitamin E, is primarily used as a potent antioxidant to protect cell membranes from oxidative damage by neutralizing free radicals. It is essential in skincare products to prevent UV-induced aging and improve skin hydration. In pharmaceuticals, it treats vitamin E deficiency and supports immune function. The compound is also used in food fortification to enhance shelf life and nutritional value. Additionally, it plays a role in cardiovascular health by inhibiting LDL oxidation and reducing inflammation. In animal feed, it improves livestock health and meat quality. Its antioxidant properties are leveraged in industrial applications to stabilize oils and polymers.

Vitamin E Basic Info
Chemical Name Vitamin E
Synonyms α-Tocopherol;VITAMIN E OIL;D-ALPHA-TOCOPHEROL;tocopheryl;VITAMINE E;D-α-Tocopherol;D-A-TOCOPHEROL;All-rac-alpha-tocopherol for peak identification CRS;verrol;covi-ox
CAS No. 59-02-9
Molecular Formula C29H50O2
Molecular Weight 430.71
PSA 29.46000
LogP 8.84020
Safely Info
RTECS DJ2900000
Hazard Class -
Safety Statements 23-24/25-37/39-26
HS Code 29362800
WGK Germany 1
Packing Group -
RIDADR -
Risk Statements 36/37/38
Hazard Codes Xi
Caution Statement P261-P305+P351+P338
Hazard Declaration H302-H315-H319-H335
Symbol GHS07
Signal Word Warning
Vitamin E Price
United States: $20-30
China: $15-25
Russia: $25-35
Germany: $30-40
India: $20-30
Japan: $25-35
Brazil: $15-25
South Korea: $30-40
Philippines: $20-30
United Kingdom: $25-35
France: $30-40
Mexico: $20-30
Canada: $25-35
South Africa: $15-25
Egypt: No results
Turkey: $25-35
Thailand: $20-30
Indonesia: $15-25
MSDS
MSDS
Name: Tocopherol / Methyl-beta-cyclodextrin complex Material Safety Data Sheet
Synonym: None Known
CAS: 59-02-9
Section 1 - Chemical Product   MSDS Name:Tocopherol / Methyl-beta-cyclodextrin complex Material Safety Data Sheet
Synonym:None Known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
59-02-9 Tocopherol 200-412-2
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 59-02-9: CAS# 128446-36-6: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: Mixture
Molecular Weight: 0

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
No information found.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
None reported.
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 59-02-9: DJ2900000 CAS# 128446-36-6 unlisted.
LD50/LC50:
Not available.
Not available.
Carcinogenicity:
Tocopherol - Not listed by ACGIH, IARC, or NTP.
Methyl-beta-cyclodextrin complex - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 59-02-9: 1
CAS# 128446-36-6: No information available.
Canada
CAS# 59-02-9 is listed on Canada's DSL List.
CAS# 128446-36-6 is listed on Canada's DSL List.
CAS# 59-02-9 is not listed on Canada's Ingredient Disclosure List.
CAS# 128446-36-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 59-02-9 is listed on the TSCA inventory.
CAS# 128446-36-6 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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