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Detail of "20749-68-2"

  • CAS Number:
  • 20749-68-2
  • Name:

  • Solvent Red 135

  • Molecular Structure:
  • Formula:
  • C18H6Cl4N2O
  • Molecular Weight:
  • 408.07
  • Deleted CAS:
  • 71902-17-5,84420-06-4,59459-26-6
  • Synonyms:
  • 12-Phthaloperinone,8,9,10,11-tetrachloro- (6CI,7CI);C.I. 564120;C.I. Solvent Red 135;C.I.Solvent Red 162;Diaresin Red HS;Estofil Red S-GFP;Filester Red GA;MacrolexRed E-G;Oplas Red 339;Polysynthren Red G;Polysynthren Red GFP;SandoplastRed G;Solvaperm Red G;Solvent Red 162;Sumiplast Red H 3G;
  • EINECS:
  • 244-007-9
  • Density:
  • 1.77 g/cm3
  • Boiling Point:
  • 646.3 °C at 760 mmHg
  • Flash Point:
  • 344.6 °C
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CAS No.20749-68-2 Solvent Red 135

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Reference

Phthaloperinone derivatives
Phthaloperinone derivatives. Watanabe, Koichi; Harada, Hiroaki (Yamamoto Synthetic Chemical Co., Ltd., Japan). Japan. Kokai JP 51119032 19 Oct 1976 Showa, 3 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09B057-00. APPLICATION: JP 75-44113 10 Apr 1975. DOCUMENT TYPE: Patent CA Section: 40 (Dyes, Fluorescent Whitening Agents, and Photosensitizers) Section cross-reference(s): 28 I [R = H (II) [6925-69-5], Cl [20749-68-2], Br [26011-65-4]] were prepd. from 1,8-RC10H6NO2 (R = NH2, NO2) and phthalic anhydride deriv. in the presence of reducing agents. For example, 8-nitro-1-naphthalenamine [3229-89-8] and phthalic anhydride [85-44-9] in boiling AcOH was treated with Fe powder for 8 h, filtered, and the filter cake was washed with 5% H2SO4 at 90.In this experiment, several chemicals are used like 3229-89-8 and 117-08-8 degree. to give II. .
Phthaloperinone dyes
Phthaloperinone dyes. Watanabe, Koichi; Harada, Hiroaki (Yamamoto Synthetic Chemical Co., Ltd., Japan). Japan. Kokai JP 51138718 30 Nov 1976 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09B057-00. APPLICATION: JP 75-48903 21 Apr 1975. DOCUMENT TYPE: Patent CA Section: 40 (Dyes, Fluorescent Whitening Agents, and Photosensitizers) Section cross-reference(s): 28 Phthaloperinones I [R = H (II) [6925-69-5], Cl [20749-68-2]] were prepd. in one step from crude nitration products of naphthalene. 602-38-0 and 20749-68-2 which are cas registry numbers of chemicals are mentioned. For example, dinitronaphthalene [60% 1,8-isomer (III) [602-38-0], 35% 1,5-isomer], phthalic anhydride [85-44-9], and Fe were stirred in AcOH at 80.degree. for 12 h, and the ppt. recrystd. from AcOH to give 74% (based on III) II as red powder, comparable in fastness, shade, and bleed resistance in polystyrene [9003-53-6] (orange shade) and ABS [9003-56-9] (red shade), to conventional product obtained from 1,8-diaminonaphthalene. .
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