Detail of "28474-90-0"

CAS Number:
28474-90-0
Name:
L-ASCORBYL DIPALMITATE
Molecular Structure:
Formula:
C₃₈H₆₈O₈
Molecular Weight:
652.9417
Synonyms:
L-Ascorbic acid, dihexadecanoate;[(1S)-1-[(2R)-3-hexadecanoyloxy-4-hydroxy-5-oxo-2H-furan-2-yl]-2-hydroxy-ethyl] hexadecanoate;Ascorbyl dipalmitate;
Density:
1.04 g/cm³
Boiling Point:
682.5 °C at 760 mmHg
Flash Point:
191.9 °C

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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L-ASCORBYL DIPALMITATE

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Tel:+81-3-36611677

Address:1-4-8, Nihonbashi-Bakurocho, Chuoku TOKYO 103-0002, JAPAN

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Tel:86-21-61374101

Address:Shang Hai Honi International Plaza.Room 903 No.199 Chengdu North Road Shanghai China

Supplier:HUAIBEI HAIYUAN TRADING CO.LTD [ China (Mainland)]

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Adhesive transdermal pharmaceuticals containing ascorbyl ester stabilizers: Adhesive transdermal pharmaceuticals containing ascorbyl ester stabilizers. (Nitto Electric Industrial Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59059616 A2 5 Apr 1984 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: A61K009-70; A61L015-03. APPLICATION: JP 82-170415 28 Sep 1982. DOCUMENT TYPE: Patent CA Section: 63 (Pharmaceuticals) Pharmaceuticals in transdermal prepns. contg. adhesive rubbers are stabilized by ascorbyl fatty acid diesters such as ascorbyl dipalmitate [28474-90-0]. Thus, styrene-butadiene-styrene rubber 43 and natural rosin 25 parts were kneaded at 150°, and then ascorbyl dipalmitate 1, ascorbyl monostearate 1, and Pr gallate 1 part were added, followed by a mixt. of polybutene 5, liq. paraffin 7, TiO2 6, and talc 5 parts. The stability of drugs added to this transdermal formulation was demonstrated.

Topical formulations containing stabilized ascorbic acid fatty acid esters: Topical formulations containing stabilized ascorbic acid fatty acid esters. Yamaguchi, Hiroshi; Kawamata, Ichiro; Kimura, Michiko; Machida, Kimiko; Takashima, Yoji; Matsumoto, Mitsuo (Taisho Pharmaceutical Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 62026210 A2 4 Feb 1987 Showa, 4 pp. (Japan) CODEN: JKXXAF. CLASS: ICM: A61K007-00. APPLICATION: JP 85-164665 25 Jul 1985. DOCUMENT TYPE: Patent CA Section: 62 (Essential Oils and Cosmetics) A topical cosmetic contains ascorbic acid fatty acid ester at 0.5-10. 28474-90-0 and 25395-66-8 which are cas registry numbers are also used here.0% by wt. in a stable form in the presence of hydrogenated lecithin, with I value ￡20, at 10-25% by wt. Thus, ascorbic acid dipalmitate 3, hydrogenated lecithin (I value, 9.5) 20, and liq. paraffin 77% were mixed and heated at 75-85°. This formulation was stable at 40° for 33 mo. It is esp. useful in reducing freckles. .