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| CAS No.: | 79-81-2 |
|---|---|
| Name: | Retinol palmitate |
| Article Data: | 19 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C36H60O2 |
| Molecular Weight: | 524.871 |
| Synonyms: | Retinolpalmitate (6CI,7CI);Retinol, palmitate, all-trans- (8CI);250S/N;250S/N-B;Aquapalm;Aquasol A;Arovit;Arovit (Roche);Axerophthol palmitate;DispatabsTabs;Lutavit A 500 Plus;Optovit A;Palmitic acid, ester withretinol;Retinyl palmitate;Testavol S;VAP 250CK-CWD;VAP 250MS-CWD;Vitamin Apalmitate;Vitazyme A;all-trans-Retinol palmitate;all-trans-Vitamin A palmitate;trans-Retinyl palmitate;Vitamin A palmitate; |
| EINECS: | 201-228-5 |
| Density: | 0.92 g/cm3 |
| Melting Point: | 2-8 °C |
| Boiling Point: | 607.5 °C at 760 mmHg |
| Flash Point: | 79.7 °C |
| Solubility: | Soluble in chloroform, ether, and vegetable oils. Insoluble in water. |
| Hazard Symbols: |
 T, Xn
|
| Risk Codes: | 63 |
| Safety: | 53-23-36/37/39-45-36/37 |
| PSA: | 26.30000 |
| LogP: | 11.54250 |
- 79814-40-72,5-Furandione,3-(acetyloxy)dihydro-, (3R)-
- 79814-47-4Pentanedioic acid,3-amino-2-(1-hydroxyethyl)-, 5-methyl ester, [2S-[2R*(R*),3S*]]- (9CI)
- 79815-20-6(S)-(-)-Indoline-2-carboxylic acid
- 79817-55-31-Amino-4-(2-benzothiazol-ylthio)-9,10-dihydro-9,10-dioxoanthracene-2-sulphonic acid
- 79817-57-59,10-Anthracenedione,1-[(4-hydroxyphenyl)amino]-4-[(3,3,5-trimethylcyclohexyl)amino]-
- 79817-60-0Benzenesulfonamide,3-amino-4-hydroxy-N-phenyl-, hydrochloride (1:1)
- 79817-61-1Dipotassium 5-amino-4-hydroxybenzene-1,3-disulphonate
- 79817-68-8[1,1'-Biphenyl]-4-carboxamide,N-[9,10-bis(sulfooxy)-1-anthracenyl]-4'-nitro-, sodium salt (1:2)
- 79817-75-72-Naphthalenesulfonicacid, 6-amino-5-[2-[3-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4-hydroxy-,sodium salt (1:1)
- 79819-03-71-Naphthacenecarboxylicacid,2-ethyl-1,2,3,4,6,11-hexahydro-2,5,7,10-tetrahydroxy-6,11-dioxo-4-[[2,3,6-trideoxy-4-O-[2-deoxy-4-O-[(2R,6S)-tetrahydro-6-methyl-5-oxo-2H-pyran-2-yl]-b-D-erythro-pentopyranosyl]-3-(dimethylamino)-a-L-lyxo-hexopyranosyl]oxy]-,methyl ester, (1R,2R,4R)- (9CI)
| Conditions | Yield |
|---|---|
| In toluene at 35℃; for 1h; | 99% |
| With pyridine In 1,2-dichloro-ethane |
| Conditions | Yield |
|---|---|
| With aluminum oxide In Petroleum ether at 40℃; for 2h; Solvent; | 97.62% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide In methanol at 55℃; under 11.2511 - 16.5017 Torr; for 3h; Concentration; Pressure; Large scale; | 96% |
| Conditions | Yield |
|---|---|
| at 60℃; under 0.750075 Torr; for 3h; Temperature; Large scale; | 94% |
- 62285-98-7
5-(2,6,6-trimethylcyclohexenyl)-3-methyl-2,4-pentadienyltriphenylphosphonium bromide
- 79-81-2
retinyl palmitate
| Conditions | Yield |
|---|---|
| With sodium ethanolate In N,N-dimethyl-formamide at -5 - 5℃; for 3h; Wittig Olefination; Inert atmosphere; | 91.3% |
- 53282-28-3
[(2E,4E)-3-methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-2,4-dienyl]triphenylphosphonium chloride
- 79-81-2
retinyl palmitate
| Conditions | Yield |
|---|---|
| With potassium hydroxide In isopropyl alcohol at 5 - 20℃; for 2h; Wittig Olefination; Inert atmosphere; | 90.8% |
- 186194-14-9
diethyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonate
- 79-81-2
retinyl palmitate
| Conditions | Yield |
|---|---|
| Stage #1: diethyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonate With sodium t-butanolate In toluene at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-methyl-4-palmitoyloxy-2-butenal In toluene for 3h; Reagent/catalyst; Solvent; Inert atmosphere; | 89% |
| Conditions | Yield |
|---|---|
| With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction; | A 78% B n/a |
| Conditions | Yield |
|---|---|
| With 1,2-dichloro-ethane |
- 110-86-1
pyridine
- 108-88-3
toluene
- 10025-87-3, 12599-09-6, 63736-95-8
trichlorophosphate
- 79-81-2
retinyl palmitate
| Conditions | Yield |
|---|---|
| at 90 - 95℃; |
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- 104987-11-3Tacrolimus
- 141-53-7Sodium formate
- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
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Chemistry
Molecular structure of Vitamin A palmitate (CAS NO.79-81-2) is:
Product Name: Vitamin A palmitate
CAS Registry Number: 79-81-2
IUPAC Name: [(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenyl] hexadecanoate
Molecular Weight: 524.8604 [g/mol]
Molecular Formula: C36H60O2
XLogP3: 13.6
H-Bond Donor: 0
H-Bond Acceptor: 2
EINECS: 201-228-5
Melting Point: 2-8°C
Surface Tension: 35.1 dyne/cm
Density: 0.92 g/cm3
Flash Point: 79.7 °C
Enthalpy of Vaporization: 90.28 kJ/mol
Boiling Point: 607.5 °C at 760 mmHg
Vapour Pressure: 1.05E-14 mmHg at 25°C
Product Categories: Vitamins and derivatives
Uses
Vitamin A palmitate (CAS NO.79-81-2) is a synthetic alternate for retinyl acetate in vitamin A supplements, and is available in oily or dry forms. It is also a constituent of some topically-applied skin care products. Palmitate is an antioxidant and a vitamin A compound added to low fat milk and other dairy products to replace the vitamin content lost through the removal of milk fat. Palmitate is attached to the alcohol form of vitamin A, retinol, in order to make vitamin A stable in milk.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 4760mg/kg (4760mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Voprosy Onkologii. Problems of Oncology. For English translation, see PONCAU. Vol. 25(12), Pg. 84, 1979. |
| mouse | LD50 | oral | 6060mg/kg (6060mg/kg) | Journal of the American Academy of Dermatology. Vol. 6, Pg. 652, 1982. | |
| rat | LD50 | oral | 7910mg/kg (7910mg/kg) | Journal of the American Academy of Dermatology. Vol. 6, Pg. 652, 1982. |
Safety Profile
Hazard Codes: 
T, 
Xn
Risk Statements: 63
R63:Possible risk of harm to the unborn child.
Safety Statements: 53-23-36/37/39-45-36/37
S53:Avoid exposure - obtain special instructions before use.
S23:Do not breathe vapour.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37:Wear suitable protective clothing and gloves.
WGK Germany: 3
RTECS: VH6860000
F: 8-10-23
Specification
Vitamin A palmitate , its cas register number is 79-81-2. It also can be called Retinol palmitate ; Retinol, hexadecanoate ; Retinyl palmitate ; Retinol, all-trans-, palmitate ; Optovit-A ; Retinol, palmitate, all-trans- .