Detail of "21121-62-0"

CAS Number:
21121-62-0
Name:
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2'-chloro-6'-(diethylamino)-3'-methyl-
Superlist Name:
2'-Chloro-6'-(diethylamino)-3'-methylfluoran
Molecular Structure:
Formula:
C₂₅H₂₂ClNO₃
Molecular Weight:
419.90
Synonyms:
Fluoran,2'-chloro-6'-(diethylamino)-3'-methyl- (8CI);2-Chloro-3-methyl-6-diethylaminofluoran;2'-Chloro-6'-(diethylamino)-3'-methylfluoran;3-Diethylamino-6-methyl-7-chlorofluoran;7-Chloro-3-(diethylamino)-6-methylfluoran;7-Chloro-3-diethylamino-6-methylfluorane;PSD-V;
EINECS:
244-222-8
Density:
1.35 g/cm³
Boiling Point:
608.9 °C at 760 mmHg
Flash Point:
322 °C

Display：

Assay:98%

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Two-color generating thermal recording medium: Two-color generating thermal recording medium. Yoshida, Mitsuhiro; Suzuki, Takeshi (Tomoegawa Paper Co Ltd, Japan). Jpn. Kokai Tokkyo Koho JP 08332776 A2 17 Dec 1996 Heisei, 8 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: B41M005-30. ICS: B41M005-26. APPLICATION: JP 1995-164506 8 Jun 1995. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) The medium comprises a support, coated with a thermal recording single layer contg. (A) a black color-generating component contg. 1,3-diimino-4,5,6,7-tetrachloroisoindoline and 2,5-dimethoxy-4,4'-4''-triisocyanato-triphenylamine, and (B) a red color-generating component contg. 22091-92-5 and 21121-62-0 which are cas registry numbers are also used here. a leuco dye showing max. absorption spectrum at 450-560nm in a 95% acetic acid soln., and a Zn salt of a salicylic acid deriv. I. The leuco dye may be a fluorane deriv. or a phthalide deriv. The medium, used for railway tickets, commuter passes, toll tickets, etc., shows excellent sepd. color-generating characteristics, and manuf. of the medium is simple due to the single thermal recording layer. .

Thermal recording material containing oxalate esters providing red images: Thermal recording material containing oxalate esters providing red images. Oohashi, Masanori; Inubushi, Keiichi (Oji Paper Co, Japan). Jpn. Kokai Tokkyo Koho JP 09011637 A2 14 Jan 1997 Heisei, 7 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: B41M005-30. ICS: B41M005-26. APPLICATION: JP 1995-168818 4 Jul 1995. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes) The recording material has a recording layer contg.There are some commonly used reagents with their cas registry numbers 5397-34-2 and 21121-62-0 in this article. a leuco dye developing red color, 2,4'-dihydroxydiphenyl sulfone as a developer, and R1OCOCO2R2 (R1-2 = Ph which may be substituted with halo, C1-4 alkyl, C1-4 alkyloxy, CH2Ph, cyclohexyl which may be substituted with C1-4 alkyl) as a sensitizer. The recording material shows good high sensitivity and the recorded images and the background are stable against light, high temp., and water. .