ChemicalBook >> CAS DataBase List >>2-Aminotoluene-5-sulfonic acid

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
MDL Number:
MFCD00025198
MOL File:
98-33-9.mol
Last updated:2024-04-03 17:07:09

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)
FDA UNII ET833CB2KU
EPA Substance Registry System Benzenesulfonic acid, 4-amino-3-methyl- (98-33-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  T
Risk Statements  45-34
Safety Statements  53-26-36/37/39-45
RIDADR  2811
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  2921420090
NFPA 704
0
2 0

2-Aminotoluene-5-sulfonic acid price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T332895 6-AMINOTOLUENE-3-SULFONIC ACID Aldrich 98-33-9 1g $179 2024-03-01 Buy
Alfa Aesar A19870 4-Amino-3-methylbenzenesulfonic acid, 98% 98-33-9 1000g $69 2021-12-16 Buy
Alfa Aesar A19870 4-Amino-3-methylbenzenesulfonic acid, 98% 98-33-9 250g $26.9 2021-12-16 Buy
TRC A577170 2-Aminotoluene-5-sulfonicAcid 98-33-9 500mg $60 2021-12-16 Buy
American Custom Chemicals Corporation CHM0008383 2-AMINO TOLUENE-5-SULFONIC ACID 95.00% 98-33-9 100G $2337.65 2021-12-16 Buy
Product number Packaging Price Buy
T332895 1g $179 Buy
A19870 1000g $69 Buy
A19870 250g $26.9 Buy
A577170 500mg $60 Buy
CHM0008383 100G $2337.65 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.

Flammability and Explosibility

Not classified

Global( 195)Suppliers
Supplier Tel Email Country ProdList Advantage
Suzhou Sanyi Polymer Chemical Technology Co., Ltd.
+8615571922873 15571922873@163.com China 106 58
Shaanxi Franta Biotechnology Co., Ltd
+86-13082019107 +86-13082019107 admin@flanderff.com China 229 58
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 15371 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21695 55
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Jinan Finer Chemical Co., Ltd
+86-531-88989536 +86-15508631887 sales@finerchem.com China 2966 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22968 58
Shandong chuangyingchemical Co., Ltd.
18853181302 sale@chuangyingchem.com CHINA 5909 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 47465 58

View Lastest Price from 2-Aminotoluene-5-sulfonic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
6-Amino-m-toluensulfonic acid pictures 2024-04-15 6-Amino-m-toluensulfonic acid
98-33-9
US $20.00 / kg 1kg 99 20 ton Suzhou Sanyi Polymer Chemical Technology Co., Ltd.
6-Amino-m-toluensulfonic acid pictures 2024-04-05 6-Amino-m-toluensulfonic acid
98-33-9
US $20.00 / kg 1kg 99 1000kg Shaanxi Franta Biotechnology Co., Ltd
6-Amino-m-toluensulfonic acid pictures 2024-03-29 6-Amino-m-toluensulfonic acid
98-33-9
US $20.00 / kg 1kg 99 1000kg Shaanxi Franta Biotechnology Co., Ltd
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) 98-33-9 C7H9O3SN C7H8NO3S Building Blocks Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Intermediates of Dyes and Pigments