Reference

Colored herbicidal compositions for public safety

Colored herbicidal compositions for public safety. (Asahi Chemical Industry Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59033202 A2 23 Feb 1984 Showa, 5 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: A01N043-40; A01N025-00. APPLICATION: JP 82-143385 20 Aug 1982. DOCUMENT TYPE: Patent CA Section: 5 (Agrochemical Bioregulators) A herbicidal compn. contg. bipyridinium quaternary salts I or II ([X]m- = anion; m = 1 or 2; R = C1-4 alkyl or alkyl substituted with hydroxyl, alkoxyl, alkylcarbonyl, alkoxycarbonyl, carboxyl, halo, carbamoyl, N-substituted carbamoyl, etc.] is colored with one or more of Japan Red 2 [915-67-3], Japan Red 102 [2611-82-7], Japan Yellow 4 [1934-21-0], Japan Yellow 5 [2783-94-0], Japan Red 3 [16423-68-0], Japan Red 104 [18472-87-2], Japan Red 105 [632-69-9], Japan Red 106 [3520-42-1], Japan Green 3 [2353-45-9], Japan Blue 1 [3844-45-9], and Japan Blue 2 [860-22-0]. The pigments did not affect the herbicidal activity. Thus, a compn. is given as an example: DDPC [1910-42-5] 25.3, surfactant 10.2, tartar emetic 0.56, Japan red 2 0.015, and water 63.9%.

Thermal decarboxylation of rose bengal dye

Thermal decarboxylation of rose bengal dye. Amat-Guerri, Francisco; Lopez-Gonzalez, M. Mar C.; Martinez-Utrilla, Roberto (Inst. Quim. Org. Gen., CSIC, Madrid, Spain). Tetrahedron Lett., 25(38), 4285-6 (English) 1984. CODEN: TELEAY. ISSN: 0040-4039. DOCUMENT TYPE: Journal CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 27 Rose Bengal B (di-Na salt) [632-69-9] undergoes decarboxylation when heated in DMF or cyclohexanone. 92888-05-6 is the cas registry number. This chemical is also mentioned in this article. .