DL-α-生育酚

Description

DL-a-Tocopherol · CAS 113085-06-6 · C29H50O2. UNII 7QWA1RIO01. Boiling Point: BP: 200-220 °C at 0.1 mmHg; Melting Point: 2.5-3.5 °C; Density: 0.950 at 25 °C/4 °C.

Identification

CAS Registry Number	113085-06-6
PubChem CID	2116
Molecular formula	C29H50O2
IUPAC name	2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydrochromen-6-ol
UNII (FDA)	7QWA1RIO01

Computed Descriptors

Molecular Weight	430.7
XLogP3	10.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	12
Exact Mass	430.381080833
Monoisotopic Mass	430.381080833
Topological Polar Surface Area	29.5
Heavy Atom Count	31
Formal Charge	0

Physical & Chemical Properties

Boiling Point	BP: 200-220 °C at 0.1 mmHg
Melting Point	2.5-3.5 °C
Density	0.950 at 25 °C/4 °C
Refractive Index	[n]D/20 1,503-1,507

Physical description & handling notes

• Liquid
• Slightly yellow to amber, nearly odourless, clear, viscous oil which oxidises and darkens on exposure to air or light
• Pale yellow liquid; Darkened gradually by light; [Merck Index]
• Slightly viscous, pale yellow oil
• Insoluble in water, freely soluble in ethanol, miscible in ether
• Practically insoluble in water; freely soluble in oils, fats, acetone, alcohol, chloroform, ether, other fat solvents

Regulatory Status

Regulatory & Food Contact	ANTIOXIDANT: Food Additives ANTIOXIDANT; NUTRIENT_SUPPLEMENT: Food Additives JECFA ADI: 0.15-2 mg/kg bw TRS 751-JECFA 30/18 FAS 21-JECFA 30/55 RRR-alpha-TOCOPHEROL
GHS notification summary	25.2% (567 / 2247)

GHS Hazard Classification

GHS notification summary	25.2% (567 / 2247)
Reported hazard statements	H317 (74.3%)

Documented Uses

• Farming (Feed Additives) [Category: Industry]
• All-rac-alpha-tocopherol is mainly used as an antioxidant in fats and oils and in feedingstuffs rich in oils and fats.
• There are several forms of vitamin E available commercially /including dl-alpha-tocopherol/. These are available as nutritional supplements or in functional and fortified foods.
• Laboratory chemicals; manufacture of substances
• EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern

Synonyms

DL-ALPHA-TOCOPHEROL; 10191-41-0; Ephanyl; alpha-Tocopherol, DL-; Vitamin E DL-alpha; dl-.alpha.-Tocopherol; UNII-7QWA1RIO01; DL-5,7,8-trimethyltocol; 7QWA1RIO01; CCRIS 5853; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-; EINECS 233-466-0; .Alpha.-tocopherol, DL-; RONOTEC DF 120; IRGANOX E 210; UVINUL 2000AO

Frequently Asked Questions

What are the CAS number and molecular formula of DL-a-Tocopherol?

CAS 113085-06-6; molecular formula C29H50O2; molecular weight — g/mol.

What other names is DL-a-Tocopherol known by?

DL-ALPHA-TOCOPHEROL, 10191-41-0, Ephanyl, alpha-Tocopherol, DL-, Vitamin E DL-alpha, dl-.alpha.-Tocopherol.

What is the regulatory status of DL-a-Tocopherol?

Documented regulatory listings: ANTIOXIDANT: Food Additives; ANTIOXIDANT; NUTRIENT_SUPPLEMENT: Food Additives; JECFA ADI: 0.15-2 mg/kg bw.

Is DL-a-Tocopherol classified as hazardous?

25.2% of GHS notifications report no hazard classification (567 of 2247).

What are the key physical properties of DL-a-Tocopherol?

Boiling Point: BP: 200-220 °C at 0.1 mmHg; Melting Point: 2.5-3.5 °C; Density: 0.950 at 25 °C/4 °C; Refractive Index: [n]D/20 1,503-1,507.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.