Detail of "1205-91-0"

CAS Number:
1205-91-0
Name:
1,4-Benzenediol,1,4-diacetate
Superlist Name:
1,4-Diacetoxybenzene
Molecular Structure:
Formula:
C₁₀H₁₀O₄
Molecular Weight:
194.19
Deleted CAS:
128805-33-4
Synonyms:
NSC9277;p-Acetoxyphenyl acetate;p-Dihydroxybenzene diacetate;p-Phenylenediacetate;1,4-Benzenediol,diacetate (9CI);Hydroquinone, diacetate (6CI,7CI,8CI);1,4-Hydroquinone diacetate;4-Acetoxyphenyl acetate;Benzene-1,4-diacetate;
EINECS:
214-887-9
Density:
1.179 g/cm³
Melting Point:
121-123 °C(lit.)
Boiling Point:
282.43 °C at 760 mmHg
Flash Point:
138.603 °C
Solubility:
insoluble in water
Appearance:
white fine crystalline flake
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-37/39-24/25 Details

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Stabilized thermoplastic polyester compositions: Stabilized thermoplastic polyester compositions. Sterzel, Hans Josef; Blinne, Gerd; Cordes, Claus (BASF A.-G., Ger.). Ger. Offen. DE 2631424 19 Jan 1978, 9 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C08L067-02. APPLICATION: DE 76-2631424 13 Jul 1976. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Esters of C2-5 alkanoic acids with arom. polyols are heat stabilizers for thermoplastic polyesters, useful in molding and extrusion. Thus, molding of poly(tetramethylene terephthalate) [24968-12-5] contg. 1.0% hydroquinone diacetate (I) [1205-91-0] at 240, 260, 280, and 290° gives samples with relative viscosity (3:2 PhOH-o-C6H4Cl2, 25°) 1.590, 1.590, 1.548, and 1.535, resp., and notched impact strength 48, 46, 36, and 12 kJ/m2, resp., compared with 1.590, 1.582, 1.510, and 1.490, and 49, 45, 20, and 7, resp., in the absence of I, and 1.552, 1.496, 1.488, 1.470, and 35, 21, 7, and 4, resp., with hydroquinone in place of I.

Skin-whitening cosmetics: Skin-whitening cosmetics. (Sunstar Inc., Japan). Jpn. Kokai Tokkyo Koho JP 58154507 A2 14 Sep 1983 Showa, 9 pp. 109-69-3 and 1205-91-0 are cas registry numbers. These chemicals are also mentioned in this article. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: A61K007-00. APPLICATION: JP 82-37395 9 Mar 1982. DOCUMENT TYPE: Patent CA Section: 62 (Essential Oils and Cosmetics) Section cross-reference(s): 25 Skin-whitening cosmetics contain esters of fatty acids with hydroquinone I (X and Y = H, CO2R, where R = C1-20 aliph. hydrocarbon). Thus, a skin cream contg. 5% hydroquinone monostearate [83791-09-7] was presented. Sixteen I were prepd. .