Detail of "

88-44-8

CAS Number:
88-44-8
Name:
4-Aminotoluene-3-sulfonic acid
Molecular Structure:
Formula:
C₇H₉NO₃S
Molecular Weight:
187.21
Synonyms:
m-Toluenesulfonicacid, 6-amino- (6CI,7CI,8CI);1-Amino-4-methylbenzene-2-sulfonic acid;2-Amino-5-methyl-1-benzenesulfonic acid;2-Amino-5-methylbenzenesulfonic acid;4-Amino-1-methylbenzene-3-sulfonic acid;4-Aminotoluene-3-sulphonic acid;4-Methyl-2-sulfoaniline;4-Methylaniline-2-sulfonic acid;6-Amino-m-toluenesulfonic acid;Benzenesulfonic acid,2-amino-5-methyl-;PTMS;PTMSA;p-Toluidine-2-sulfonic acid;p-Toluidine-m-sulfonic acid;
EINECS:
201-831-3
Density:
1.431 g/cm³
Melting Point:
300 °C
Appearance:
beige crystalline powder
Hazard Symbols:
T, C
Risk Codes:
45-34
Safety:
53-26-27-28-36/37/39-45-28A Details
Transport Information:
UN 2585 8/PG 3

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Reference

Low-salt preparations of reactive azo dyes: Low-salt preparations of reactive azo dyes. Wolff, Joachim; Wolf, Karlheinz; Ditzer, Reiner; Hoernle, Reinhold (Bayer A.-G. , Fed. Rep. Ger.). Ger. Offen. DE 3228339 A1 9 Feb 1984, 26 pp. (German). (Germany). CODEN: GWXXBX.There are some reagents with their cas registry numbers 7664-93-9 and 72630-72-9 are used in this study. CLASS: IC: C09B062-028; C09B067-36; C09B067-24; D06P001-382; D06P001-06; D06P003-16; D06P003-32; D06P003-66; D21H001-46; D21H003-80. APPLICATION: DE 82-3228339 29 Jul 1982. DOCUMENT TYPE: Patent CA Section: 41 (Dyes, Organic Pigments, Fluorescent Brighteners, and Photographic Sensitizers) Section cross-reference(s): 40 Monoazo dyes with 1 or 2 reactive heterocyclic groups are prepd. in stable liq. or in solid form with low salt content by using in the diazotization step an acid having an anion that can be pptd. as an insol. salt by addn. of the appropriate metal cation, e.g. Ca, and then removal from the reaction medium. For example, reaction of 1 mol H acid Li salt [89946-33-8] in 700 mL H2O with 1.15 mol 5-chloro-2,4-difluoro-6-methylpyrimidine [72630-78-5], neutralization of liberated HF by adding CaO, addn. of 2 mol powd. CaCO3, 350 g ice, and 4.3 mol e-caprolactam, slow addn. of 1 mol 2-aminobenzenesulfonic acid [88-21-1] which had been diazotized in 2 mol dil. H2SO4, addn. of LiOH during the coupling to maintain pH ~7, and finally addn. of 1.8 mol e-caprolactam followed by clarification and buffering gave a concd. soln. of red monoazo dye [88-44-8] for natural or regenerated cellulose fibers. .

Activated sludge degradability of organic substances in the waste water of the Kashima Petroleum and Petrochemical Industrial Complex in Japan: Activated sludge degradability of organic substances in the waste water of the Kashima Petroleum and Petrochemical Industrial Complex in Japan. Matsui, S.Several substances are used for example 766-15-4 and 97-36-9 which are their cas registry numbers.; Murakami, T.; Sasaki, T.; Hirose, Y.; Iguma, Y. (Off. Constr. Kashima Ind. Complex, Fukashiba, Japan). Prog. Water Technol., 7(2-3-4), 645-59 (English) 1975. CODEN: PGWTA2. DOCUMENT TYPE: Journal CA Section: 60 (Sewage and Wastes) Section cross-reference(s): 51 The biodegradability of org. substances in wastewater by activated-sludge was detd. by evaluation of total org. C (TOD) and CODMn removal efficiencies. Toluene [108-88-3], 2-methylaniline [95-53-4], 2,4-diaminotoluene [95-80-7], phthalic anhydride [85-44-9], phthalimide [85-41-6], bisphenol [80-05-7], maleic anhydride [108-31-6], glycerol [56-81-5], trichloropropane [25735-29-9], epichlorohydrin [106-89-8] N-methyl-2-pyrrolidone [872-50-4], soap, ethylene glycol [107-21-1], and butanol [71-36-3] were easily decompd. by test activated-sludge. Surfactants, 3A-1 [102-01-2], 3 A-3 [93-68-5], and 3A-10 [2415-85-2] were moderately decompd. 4-Chloro-2-methylaniline [95-69-2], p-toluidine-m-sulfonic acid [88-44-8], 2-chloro-5-amino-p-toluenesulfonic acid [88-53-9], dinitrotoluene [602-01-7], .beta.-naphthol [135-19-3], .beta.-hydoxynaphthoic acid [92-70-6], 4,4-dimethyl-1,3-dioxane [766-15-4], polyethylene glycol [25322-68-3], poly(vinyl alc.) [9002-89-5], silicone surfactant, Me cellulose [9004-67-5], 2-chloroethanol [107-07-3], 3A-4 [92-15-9], and 3A-5 [97-36-9] were resistant to degrdn. .

88-44-8

4-Aminotoluene-3-sulfonic acid

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Reference