Detail of "4623-55-6"

CAS Number:
4623-55-6
Name:
3-Thiophenecarbonitrile,2-amino-4-methyl-
Superlist Name:
2-Amino-4-methylthiophene-3-carbonitrile
Molecular Structure:
Formula:
C₆H₆N₂S
Molecular Weight:
138.1902
Synonyms:
2-Amino-3-cyano-4-methylthiophene;2-Amino-4-methyl-3-thiophenecarbonitrile;NSC 99325;
Density:
1.26 g/cm³
Boiling Point:
311.4 °C at 760 mmHg
Flash Point:
142.1 °C

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Blue disazo dyes for polyester fibers: Blue disazo dyes for polyester fibers. (Mitsui Toatsu Chemicals, Inc., Japan). Jpn. Kokai Tokkyo Koho JP 59197464 A2 9 Nov 1984 Showa, 6 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09B031-043. APPLICATION: JP 83-71464 25 Apr 1983. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) The title dyes were prepd. having the general formula I [R = H, Me, halogen, NO2, alkoxycarbonyl; R1 = CN, alkoxycarbonyl; R2 = H, Cl, Me, AcNH, EtCONH; R3, R4 = (un)substituted alkyl, alkenyl]. 62-53-3 is just another one chemical used in this study. Thus, aniline [62-53-3] was diazotized and coupled with 2-amino-3-cyano-4-methylthiophene [4623-55-6], and the resulting 2-amino-3-cyano-4-methyl-5-(phenylazo)thiophene [95572-41-1] was diazotized and coupled with N,N-diallylaniline [6247-00-3] to give I (R = R2 = H; R1 = CN; R3 = R4 = CH2CH:CH2) [95572-42-2] with lightfastness rating 6-7 and wetfastness rating 5 on polyester fiber. .Except for chemicals metioned above, 62-53-3 is also used..

2-Amino-4-methylthiophene-3-carbonitrile: 2-Amino-4-methylthiophene-3-carbonitrile.In this study， 4623-55-6 and 4651-79-0 are also used. Coruh, Ufuk; Ustabas, Resat; Tuemer, Ferhan; Garcia-Granda, Santiago; Demir, Uemit; Ekinci, Duygu; Yavuz, Metin (The Faculty of Education, The Department of Computer Education and Instructional Technology, Ondokuz Mayis University, Samsun 55200, Turk.). Acta Crystallographica, Section E: Structure Reports Online, E59(9), o1339-o1341 (English) 2003 International Union of Crystallography. CODEN: ACSEBH. ISSN: 1600-5368. DOCUMENT TYPE: Journal; (online computer file) CA Section: 75 (Crystallography and Liquid Crystals) Section cross-reference(s): 27 The title compd., C6H6N2S, consists of a thiophene ring carrying three substitutent groups. Two N-H×××N intermol. H bonds link neighboring mols. into a three-dimensional network. Crystallog. data are given. .