Detail of "903-19-5"

CAS Number:
903-19-5
Name:
1,4-Benzenediol,2,5-bis(1,1,3,3-tetramethylbutyl)-
Superlist Name:
2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone
Molecular Structure:
Formula:
C22H38 O2
Molecular Weight:
334.54
Synonyms:
Hydroquinone,2,5-bis(1,1,3,3-tetramethylbutyl)- (7CI,8CI);2,5-Bis(1,1,3,3-tetramethylbutyl)hydroquinone; 2,5-Di(1,1,3,3-tetramethylbutyl)hydroquinone;2,5-Di-tert-octylhydroquinone; 88HQ; DOHQ
EINECS:
212-990-3
Density:
0.95 g/cm³
Melting Point:
130 - 131ºC
Boiling Point:
432.3 °C at 760 mmHg
Flash Point:
181 °C
Appearance:
Off White Powder
Risk Codes:
36/37/38
Safety:
26-36/37/39 Details

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Photoimaging material containing xanthene leuco dye: Photoimaging material containing xanthene leuco dye. Yanagihara, Naoto; Endo, Toshiaki (Fuji Photo Film Co., Ltd., Japan).In this experiment, several chemicals are used like 903-19-5 Jpn. Kokai Tokkyo Koho JP 04175749 A2 23 Jun 1992 Heisei, 7 pp. (Japan). CODEN: JKXXAF. CLASS: ICM: G03F007-004. APPLICATION: JP 90-304271 9 Nov 1990. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) The material consists of a layer comprising (1) microcapsules contg. a photooxidizing agent and a leuco dye which forms color upon oxidn. and which is a xanthene deriv. having substituted amino groups at the 3- and 6-positions and (2) a reducing agent. The material gave stable images. .

Silver halide color photographic materials: Silver halide color photographic materials. (Konishiroku Photo Industry Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59149348 A2 27 Aug 1984 Showa, 44 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: G03C001-06; G03C007-26. APPLICATION: JP 83-24321 15 Feb 1983. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) Ag halide color photog. photosensitive materials contain a diffusion-resistant hydroquinone deriv. and high b.p. oil droplets of the formula 2-RO2CC6H4CO2R1 (I: R, R1 = alkyl, aralkyl, alkenyl, aryl; total no. of C atoms in R + R1 is 18-36). The color photog. 903-19-5 is the cas registry number. This chemical is also mentioned in this article. materials exhibit low fog and good image stability. Thus, a color photog. paper having a support, a blue-sensitive emulsion layer, a 1st interlayer, a green-sensitive emulsion layer, a 2nd interlayer, a red-sensitive emulsion layer, a 3rd interlayer and a protective layer was prepd. by using 2,5-di-tert-octylhydroquinone in the emulsion layers and the 1st and 2nd interlayers and bis(3,5,5-trimethylhexyl) phthalate in the 1st interlayer. The photog. paper gave clear color images with very little color stains. .