CAS No.10191-41-0,Vitamin E Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	10191-41-0
Name:	Vitamin E
Article Data:	13

Formula:	C₂₉H₅₀O₂
Molecular Weight:	430.715
Synonyms:	2H-1-Benzopyran-6-ol,3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-;6-Chromanol,2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)- (8CI);3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol;3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol;Elementol B;ElementolBasic;Elementol R;Ephanyl;Rac-a-Tocopherol;all-rac-a-Tocopherol;
EINECS:	233-466-0
Density:	0.93 g/cm³
Melting Point:	2-4 °C
Boiling Point:	485.9 °C at 760 mmHg
Flash Point:	210.2 °C
Solubility:	Miscible with chloroform, vegetable oils, ether, acetone and alcohol. Immiscible with water.
Appearance:	low yellow powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-37/39
PSA:	29.46000
LogP:	8.84020

Synthetic route

: 505-32-8
isophytol

: 700-13-0
Trimethylhydroquinone

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
methanetrisulfonic acid In Ethylene carbonate; n-heptane; water at 50 - 140℃; for 1 - 1.66667h;	92.4%
methanetrisulfonic acid In 1,2-propylene cyclic carbonate; n-heptane; water at 50 - 140℃; for 1h;	91.2%
SnTf(51)-MCM-41 In hexane at 100℃; for 1h;

: 129658-43-1
4-((3R,7R,11R)-3-Hydroxy-3,7,11,15-tetramethyl-hexadecyl)-5,7,8-trimethyl-1-oxa-spiro[2.5]octa-4,7-dien-6-one

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
With boron trifluoride diethyl etherate In diethyl ether for 4h;	60%

: 5-nitromethyl-γ-tocopherol acetate

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride; aluminium trichloride Reduction;	17%

: 505-32-8, 60046-87-9, 80736-12-5
(RS)-isophytol

: 700-13-0
Trimethylhydroquinone

: 10191-41-0
(+/-)-α-tocopherol

: (S)-2,3,4,6,7-Pentamethyl-2-((4S,8S)-4,8,12-trimethyl-tridecyl)-2,3-dihydro-benzofuran-5-ol

Conditions

Conditions	Yield
With 1-(bis-CF3SO2-methyl)-2,3,4,5,6-pentafluoro-benzene In carbon dioxide at 100℃; under 187515 Torr; for 16h; Product distribution; Further Variations:; Pressures; Catalysts; Solvents;	A 79 % Chromat. B 3.4 % Chromat.

...Expand

: DL-α-tocopherol acetate

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 75 percent / nitric acid / acetic acid / 0.5 h / 20 °C 2: 17 percent / LiAlH4; AlCl3 View Scheme

: 7559-04-8, 27696-11-3, 72657-56-8, 78419-32-6, 84368-81-0
α-tocopherolquinone

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 75 percent / silica gel / diethyl ether / 5 h / 0 - 5 °C 2: 60 percent / BF3*Et2O / diethyl ether / 4 h View Scheme

: α-tocopheroxyl radical

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
With (E)-5-[2-4-(hydroxyphenyl)ethenyl]-1,3-benzenediol; sodium dodecyl-sulfate at 20℃; pH=7.4; Kinetics; Reagent/catalyst; aq. buffer; Micellar solution;

: 700-13-0
Trimethylhydroquinone

: isophytol

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation; Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Reagent/catalyst; Temperature; Friedel-Crafts Alkylation;
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation; Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Temperature; Reagent/catalyst; Friedel-Crafts Alkylation;

: 935-92-2
2,3,5-Trimethyl-1,4-benzoquinone

: 10191-41-0
(+/-)-α-tocopherol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: palladium 10% on activated carbon; hydrogen / 23 h / 64 °C / 6000.6 Torr 2.1: acid treated bentonite / 0.25 h / 120 - 125 °C 2.2: 10 h / 120 - 125 °C View Scheme

: 10191-41-0
(+/-)-α-tocopherol

: 106-89-8
epichlorohydrin

: 153821-44-4
2,5,7,8-tetramethyl-6-(oxiran-2-ylmethoxy)-2-(4,8,12-trimethyltridecyl)chroman

Conditions

Conditions	Yield
With tetra(n-butyl)ammonium hydrogensulfate; potassium hydroxide In water at 0 - 20℃; for 4h;	96%

Raw Materials

505-32-8

7559-04-8

700-13-0

Downstream Products

59-02-9

36148-84-2

Total:173 Page 1 of 5 1 2 3 4 5 Next>>

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Chemistry

Molecular Structure of 2H-1-Benzopyran-6-ol,3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)- (CAS NO.10191-41-0):

IUPAC Name: 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol
Empirical Formula: C₂₉H₅₀O₂
Molecular Weight: 430.7061
Index of Refraction: 1.495
Molar Refractivity: 135.06 cm³
Molar Volume: 462.7 cm³
Surface Tension: 34.6 dyne/cm
Density: 0.93 g/cm³
Flash Point: 210.2 °C
Enthalpy of Vaporization: 78 kJ/mol
Boiling Point: 485.9 °C at 760 mmHg
Vapour Pressure: 4.59E-10 mmHg at 25°C
Storage temp: 2-8°C
Sensitive: Light Sensitive
Melting Point: 2-4°C
EPA Substance Registry System: 2H-1-Benzopyran- 6-ol, 3,4-dihydro-2,5,7,8-tetramethyl- 2-(4,8,12-trimethyltridecyl)- (10191-41-0)
InChI: InChI=1/C29H50O2/c1-20(2)12-9-13-21(3)14-10-15-22(4)16-11-18-29(8)19-17-26-25(7)27(30)23(5)24(6)28(26)31-29/h20-22,30H,9-19H2,1-8H3/t21-,22-,29-/m1/s1
Smiles: c12c(CC[C@](O1)(CCC[C@@H](CCC[C@@H](CCCC(C)C)C)C)C)c(c(O)c(c2C)C)C
Product Categories of 2H-1-Benzopyran-6-ol,3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)- (CAS NO.10191-41-0): Food and Feed Additive; Organics; Vitamin Ingredients

Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 1
RTECS: GA8746000
F: 8-10-23

Specification

2H-1-Benzopyran-6-ol,3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)- , with CAS number of 10191-41-0, can be called All-rac-alpha-tocopherol ; (+/-)-alpha-tocopherol ; (+/-)-alpha-tocoferol ; alpha-tocopherolum ; alpha-dl-tocopherol ; 5,7,8-trimethyltocol ; a-tocopherol .