ChemicalBook--->CAS DataBase List--->98-33-9

98-33-9

98-33-9 Structure

98-33-9 Structure
IdentificationMore
[Name]

2-Aminotoluene-5-sulfonic acid
[CAS]

98-33-9
[Synonyms]

2-AMINOTOLUENE-5-SULFONIC ACID
2-TOLUIDINE-5-SULFONIC ACID
4-AMINO-3-METHYLBENZENESULFONIC ACID
4-AMINO-M-TOLUENESULFONIC ACID
6-AMINOTOLUENE-3-SULFONIC ACID
OTS
4-amino-3-methyl-benzenesulfonicaci
o-Toluidine-4-sulfphonicacid
3-methylsulphanilic acid
ORTHO TOLUIDINE META SULFO NIC ACID (OTMSA)
2-AMINOTOLUENE-5-SULFONIC ACID 97%
2-Amino-5-sulfotoluene
2-Methyl-4-sulfoaniline
4-Amino-3-methyl-1-sulfobenzene
Benzenesulfonic acid,4-amino-3-methyl-
o-Toluidine-4-sulfonic acid (NH2=1)
3-Methyl-4-aminobenzene-1-sulfonic acid
4-Amino-3-methylbenzene-1-sulfonic acid
o-Toluidine-4-sulfonic acid
[EINECS(EC#)]

202-658-6
[Molecular Formula]

C7H9NO3S
[MDL Number]

MFCD00025198
[Molecular Weight]

187.22
[MOL File]

98-33-9.mol
Chemical PropertiesBack Directory
[Melting point ]

290°C
[density ]

1.3553 (rough estimate)
[refractive index ]

1.6100 (estimate)
[pka]

pK1: 3.125 (25°C)
[Water Solubility ]

5g/L(20 ºC)
[CAS DataBase Reference]

98-33-9(CAS DataBase Reference)
[EPA Substance Registry System]

98-33-9(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

T
[Risk Statements ]

R45:May cause cancer.
R34:Causes burns.
[Safety Statements ]

S53:Avoid exposure-obtain special instruction before use .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

2811
[TSCA ]

Yes
[HazardClass ]

8
[PackingGroup ]

III
Raw materials And Preparation ProductsBack Directory
[Raw materials]

o-Toluidine-->Diphenyl sulfone-->3-Hydroxy-2-naphthoic acid-->2-Aminonaphthalene-1-sulfonic acid
[Preparation Products]

DIRECT ORANGE 118-->Acid Brown 2-->ACID ORANGE 8-->trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate-->disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate-->disodium hydrogen bis[4-[[2,6-dihydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-3- methylbenzenesulphonato(3-)]chromate(3-)-->2-Hydroxy-5-[(2-methyl-4-sulfophenyl)azo]benzoic acid disodium salt-->DIRECT RED 24
Hazard InformationBack Directory
[Physical properties]

White to Pale-yellow to Yellow-brown Sticky Oil to Semi-Solid.
[Flammability and Explosibility]

Notclassified
Spectrum DetailBack Directory
[Spectrum Detail]

2-Aminotoluene-5-sulfonic acid(98-33-9)MS
2-Aminotoluene-5-sulfonic acid(98-33-9)1HNMR
2-Aminotoluene-5-sulfonic acid(98-33-9)13CNMR
2-Aminotoluene-5-sulfonic acid(98-33-9)IR1
2-Aminotoluene-5-sulfonic acid(98-33-9)IR2
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

4-Amino-3-methylbenzenesulfonic acid, 98%(98-33-9)
[Sigma Aldrich]

98-33-9(sigmaaldrich)
98-33-9 suppliers list
Company Name: Suzhou Sanyi Polymer Chemical Technology Co., Ltd.
Tel: +8615571922873 , +8615571922873
Website: www.chemicalbook.com/showsupplierproductslist988872/0.htm
Company Name: Shaanxi Franta Biotechnology Co., Ltd
Tel: +86-13082019107 +86-13082019107 , +86-13082019107
Website:
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: www.dakenam.com/
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512 , +86-19937530512
Website: https://www.tianfuchem.com/
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Website: www.hubeijusheng.com
Company Name: Jinan Finer Chemical Co., Ltd
Tel: +86-531-88989536 +86-15508631887 , +86-15508631887
Website: http://www.finerchem.com/
Company Name: Hubei xin bonus chemical co. LTD
Tel: 86-13657291602
Website: www.chemicalbook.com/ShowSupplierProductsList1549548/0.htm
Company Name: Shandong chuangyingchemical Co., Ltd.
Tel: 18853181302
Website: www.chemicalbook.com/ShowSupplierProductsList103425/0.htm
Company Name: Chongqing Chemdad Co., Ltd
Tel: +86-023-61398051 +8613650506873 , +8613650506873
Website: http://www.chemdad.com/
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: career henan chemical co
Tel: +86-0371-86658258 15093356674; , 15093356674;
Website: http://www.coreychem.com
Company Name: Shaanxi Dideu Medichem Co. Ltd
Tel: +86-29-87569266 15319487004 , 15319487004
Website: https://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-220/
Company Name: Antai Fine Chemical Technology Co.,Limited
Tel: 18503026267 , 18503026267
Website: www.chemicalbook.com/ShowSupplierProductsList1980510/0.htm
Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
Tel: 0551-65418671
Website: https://www.tnjchem.com
Company Name: Shanghai UCHEM Inc.
Tel: +862156762820 +86-13564624040 , +86-13564624040
Website: http://www.myuchem.com/
Company Name: Dideu Industries Group Limited
Tel: +86-29-89586680 +86-15129568250 , +86-15129568250
Website: www.dideu.com
Company Name: Wuhan Fortuna Chemical Co., Ltd
Tel: +86-27-59207850 +86-13986145403 , +86-13986145403
Website: www.fortunachem.com/
Company Name: Hebei Guanlang Biotechnology Co,.LTD
Tel: +8619930503252 , +8619930503252
Website: https://www.chemicalbook.com/manufacturer/hebei-crovell-biotech-455/
Tags:98-33-9 Related Product Information
5329-14-6 2835-99-6 13770-89-3 12068-03-0 55896-93-0 121-57-3 25321-41-9 515-74-2 104-15-4 657-84-1 1300-72-7 57401-76-0 23628-31-1 3167-50-8 860-22-0 118-88-7 3577-63-7 88-53-9