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2-Aminotoluene-5-sulfonic acid

CAS No.: 98-33-9

Chemical Name:: 2-Aminotoluene-5-sulfonic acid

Synonyms: OTS;4-AMINO-3-METHYLBENZENESULFONIC ACID;2-TOLUIDINE-5-SULFONIC ACID;6-Amino-m-toluensulfonic acid;4-Amino-3-methylbenzene-1-sulfonic acid;2-Amino-5-sulfotoluene;2-Methyl-4-sulfoaniline;3-methylsulphanilic acid;2-Aminotoluene-5-sulfoni;o-Toluidine-4-sulfonic acid

CBNumber:: CB4450302

Molecular Formula:: C7H9NO3S

Molecular Weight:: 187.22

MOL File:: 98-33-9.mol

Modify Date:: 2024/7/29 15:17:36

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2-Aminotoluene-5-sulfonic acid Properties

Melting point	290°C
Density	1.3553 (rough estimate)
refractive index	1.6100 (estimate)
pka	pK1: 3.125 (25°C)
form	powder
color	Faint beige to faint red/orange
Water Solubility	5g/L(20 ºC)
LogP	0.076 at 25℃
CAS DataBase Reference	98-33-9(CAS DataBase Reference)
EPA Substance Registry System	Benzenesulfonic acid, 4-amino-3-methyl- (98-33-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

45-34

Safety Statements

53-26-36/37/39-45

RIDADR

2811

TSCA

Yes

HazardClass

PackingGroup

III

HS Code

2921420090

NFPA 704

	0
2		0

2-Aminotoluene-5-sulfonic acid price More Price(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
ALFA India	ALF-A19870-30	4-Amino-3-methylbenzenesulfonic acid, 98%	98-33-9	250g	₹3793	2022-05-26	Buy
ALFA India	ALF-A19870-0B	4-Amino-3-methylbenzenesulfonic acid, 98%	98-33-9	1000g	₹18800	2022-05-26	Buy

Product number	Packaging	Price	Buy
ALF-A19870-30	250g	₹3793	Buy
ALF-A19870-0B	1000g	₹18800	Buy

2-Aminotoluene-5-sulfonic acid Chemical Properties,Uses,Production

Description

2-Aminotoluene-5-sulfonic acid is prepared from o-toluidine and 98 % H2SO4 via the sulfate, which is then baked. The sodium salt can be isolated after liming and precipitation of calcium sulfate. The solution can be used directly in the manufacture of dyes.

Physical properties

White to Pale-yellow to Yellow-brown Sticky Oil to Semi-Solid.

2-Aminotoluene-5-sulfonic acid Preparation Products And Raw materials

Raw materials

Diphenyl sulfone o-Toluidine 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

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2-Aminotoluene-5-sulfonic acid Suppliers

Global( 196)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
CNS CHEMICALS	+91-9381957258 +91-9381957258	Telangana, India	354	58	Inquiry
Aarti Industries Limited (AIL)	+91-84596144931 +91-9920899935	Maharashtra, India	235	58	Inquiry
Jagson Colorchem Limited	+91-9879484214 +91-9879484214	Gujarat, India	318	58	Inquiry
R K Synthesis Limited	+91-9825095198 +91-9825095198	Gujarat, India	130	58	Inquiry
Alfa Aesar	1 800 209 7001	Maharashtra, India	6913	58	Inquiry
R. K. Synthesis Limited	91-79-49043500	Gujarat, India	31	58	Inquiry
Valiant Organics Limited	91-22-67976683	Maharashtra, India	2	58	Inquiry
CLEARSYNTH LABS LTD.	+91-22-45045900	Hyderabad, India	6351	58	Inquiry
Emco Dyestuff Pvt. Ltd.	+91 (22) 894 35 21 / 894 49 06	New Delhi, India	189	54	Inquiry
H. Ramesh Kumar	91-22-23444365	Maharashtra, India	117	58	Inquiry

Supplier	Advantage
CNS CHEMICALS	58
Aarti Industries Limited (AIL)	58
Jagson Colorchem Limited	58
R K Synthesis Limited	58
Alfa Aesar	58
R. K. Synthesis Limited	58
Valiant Organics Limited	58
CLEARSYNTH LABS LTD.	58
Emco Dyestuff Pvt. Ltd.	54
H. Ramesh Kumar	58

2-Aminotoluene-5-sulfonic acid Spectrum

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

98-33-9(2-Aminotoluene-5-sulfonic acid)Related Search:

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2,4-Xylenesulfonic acid 2-AMINO-PYRIMIDINE-5-CARBOXYLIC ACID ETHYL ESTER 6-Aminopyridine-2-carboxylic acid 2-Aminopyrimidine-5-carboxylic acid Indigo Carmine

2-AMINOTOLUENE-5-SULFONIC ACID SODIUM SALT ACID YELLOW 54 ACID ORANGE 8

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2-AMINOTOLUENE-5-SULFONIC ACID 4-AMINO-M-TOLUENESULFONIC ACID 6-AMINOTOLUENE-3-SULFONIC ACID 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 3-Methyl-4-aminobenzene-1-sulfonic acid o-Toluidine-4-sulfonic acid 4-Amino-3-methylbenzenesulphonic acid 2-Amino-5-sulphotoluene, 2-Methyl-4-sulphoaniline Benzenesulfonic acid,4-amino-3-methyl- o-Toluidine-4-sulfonic acid (NH2=1) 2 AMINO TOLUNE 5 SULPHONIC ACID 4-amino-3-methylbenzenesulfonate 2-Aminotoluene-5-sulfonic acid ISO 9001：2015 REACH 2-Aminotoluene-5-suofonic acid 2-Aminotoluene-5-sulfoni TIANFU-CHEM 2-Aminotoluene-5-sulfonic acid 98-33-9 2-TOLUIDINE-5-SULFONIC ACID OTS 6-Amino-m-toluensulfonic acid 4-AMINO-3-METHYLBENZENESULFONIC ACID 4-Amino-3-methylbenzene-1-sulfonic acid OT5SA (3-METHYLSULPHANILIC ACID) Ortho Toluidine 5 Sulfonic Acid (OTS)/2-Aminotoluene-5-sulfonic acid 98-33-9 C7H9O3SN C7H8NO3S Building Blocks Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Intermediates of Dyes and Pigments