Detail of "88-63-1"

CAS Number:
88-63-1
Name:
Benzenesulfonic acid,2,4-diamino-
Superlist Name:
2,4-Diaminobenzenesulfonic acid
Molecular Structure:
Formula:
C₆H₈N₂O₃S
Molecular Weight:
188.20
Synonyms:
1,3-Diaminobenzene-4-sulfonicacid;1,3-Diaminobenzene-6-sulfonic acid;1,3-Phenylenediamine-4-sulfonic acid;2,4-Diamino-1-benzenesulfonic acid;4-Sulfo-1,3-diaminobenzene;ABSA;Metaphenylenediamine-4-sulfonic acid;NSC7835;m-Phenylenediamine-4-sulfonic acid;o-Aminosulfanilic acid;
EINECS:
201-846-5
Density:
1.611 g/cm³
Melting Point:
260-266 °C (dec.)
Hazard Symbols:
Xi
Risk Codes:
36/38-43-36/37/38
Safety:
26-36/39-37/39-36 Details
Transport Information:
UN 1759 8/PG 3

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Reactive disazo dyes for cellulosic fibers: Reactive disazo dyes for cellulosic fibers. Seitz, Karl (Ciba-Geigy A.-G. , Switz.). Eur. Pat. Appl. EP 131543 A2 16 Jan 1985, 22 pp. DESIGNATED STATES: R: CH, DE, FR, GB, IT, LI. (German). (European Patent Organization). CODEN: EPXXDW. CLASS: ICM: C09B062-25. ICS: D06P003-66. APPLICATION: EP 84-810282 8 Jun 1984. 88-63-1 is just another one chemical used in this study. PRIORITY: CH 83-3251 14 Jun 1983. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) The title dyes have the general structure RNH(CH2)0-1ZN:NQN:NZ1(CH2)0-1NHR, where Q represents an H acid, K acid, S acid, or J acid residue; Z and Z1 are (un)substituted sulfophenylene or sulfonaphthylene; R is 2,4-difluoro-5-chloropyrimidin-6-yl; and Z and Z1 together contain 33 sulfo groups. I show a high degree of fixation when applied by low-temp. processes and produce fast navy blue dyeings and prints or cotton.In this experiment, several chemicals are used like 88-63-1 Thus, condensation of 1,3-phenylenediamine-4-sulfonic acid [88-63-1] and 1,4-phenylenediamine-2,5-disulfonic acid [7139-89-1] with 2,4,6-trifluoro-5-chloropyrimidine [697-83-6] gave 2-amino-4-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]benzenesulfoni c acid [26592-28-9] and 2-amino-5-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-1,4-benzenedi sulfonic acid [89162-12-9], resp., which were diazotized and coupled stepwise with H acid [90-20-0] to form dye I [95713-94-3]. ..

Fiber-reactive phthalocyanine dyes: Fiber-reactive phthalocyanine dyes. (Sumitomo Chemical Co., Ltd., Japan). Jpn.Several substances are used for example 25641-10-5 which is its cas registry number. Kokai Tokkyo Koho JP 59176355 A2 5 Oct 1984 Showa, 11 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09B062-517; D06P001-38. APPLICATION: JP 83-51098 25 Mar 1983. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) The title dyes I (Pc = phthalocyanine residue with or without metal; R, R1 = H, Me, Et; R2 = (un)substituted lower alkyl; R3 = SO2CH:CH2, SO2CH2CH2R4; R4 = alkali-dissociable group; Z = (un)substituted phenylene, naphthylene; n = 0-2; a = 1-3; b, c = 0-3; a + b + c ￡ 4] in free acid or salt form were prepd. and used for dyeing cotton in turquoise blue shades. Thus, CuPc(SO3H)(SO2Cl)3 [25641-10-5] dispersed in water was stirred with 2,4-(H2N)2C6H3SO3H [88-63-1] and concd. NH3 at 30° for 15 h, adjusted to pH 7-8 (28% NaOH), stirred at 70° for 3 h, cooled to 5°, treated with cyanuric chloride [108-77-0], adjusted to pH 7-8 (20% Na2CO3), stirred at 5-10° for 2 h, treated with m-EtNHC6H4SO2CH2CH2OSO3H [83574-63-4], adjusted to pH 5-6 with 10% aq. Na2CO3, stirred at 40° for 20 h, and salted to give II. .

Detail of "88-63-1"

Benzenesulfonic acid,2,4-diamino-

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