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

2-Aminotoluene-5-sulfonic acid

Product Name
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
Formula Weight
187.22
MOL File
98-33-9.mol
More
Less

2-Aminotoluene-5-sulfonic acid Property

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)
More
Less

Safety

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
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

More
Less

N-Bromosuccinimide Price

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

2-Aminotoluene-5-sulfonic acid Chemical Properties,Usage,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

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

Raw materials

Diphenyl sulfone o-Toluidine

Preparation Products

More
Less

2-Aminotoluene-5-sulfonic acid Suppliers

China 144 Europe 4 Germany 3 India 23 South Korea 1 Switzerland 1 United Kingdom 8 United States 19 Global 203
Hangzhou Yaoruiyicheng Biological Medicine Co., Ltd
Tel
18072846723; 18072846723
Email
caigou1@witofly.com
Country
China
ProdList
3037
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
TAIYUAN RHF CO.,LTD.
Tel
+86 351 7031519
Fax
+86 351 7031519
Email
sales@RHFChem.com
Country
China
ProdList
2338
Advantage
56
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44688
Advantage
61
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9809
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696
Email
info@hanhongsci.com
Country
China
ProdList
42958
Advantage
64
XiaoGan ShenYuan ChemPharm co,ltd
Tel
15527768850
Email
1791901229@qq.com
Country
China
ProdList
8838
Advantage
52
China Langchem Inc.
Tel
0086-21-58956006
Fax
0086-21-58956100
Country
China
ProdList
7811
Advantage
57
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Hangzhou Yuhao Chemical Technology Co., Ltd
Tel
0571-82693216
Fax
+86-571-82880190
Email
info@yuhaochemical.com
Country
China
ProdList
9387
Advantage
52
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-400-6206333 18521732826
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
Quzhou Juhua Friendship Co., Ltd
Tel
0570-3066667
Fax
0570-3063388
Country
China
ProdList
3930
Advantage
58
Chemwill Asia Co.,Ltd.
Tel
86-21-51086038
Fax
86-21-51861608
Country
China
ProdList
2930
Advantage
58
Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939 15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
16166
Advantage
55
Shanghai Yongye Biotechnology Co., Ltd.
Tel
86-021-61559134 15921386130
Fax
021-55068248
Email
3423497944@qq.com
Country
China
ProdList
8144
Advantage
55
Nanjing Chalf-Pharm Technology Co., Ltd.
Tel
025-57018978 18251899859
Fax
025-57018008
Email
sales@chalf-pharm.com
Country
China
ProdList
5806
Advantage
50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Tel
025-66113011 18112977050
Email
cb6@aikonchem.com
Country
China
ProdList
16684
Advantage
50
AN PharmaTech Co Ltd
Tel
86(21)68097365
Fax
86(21)33321566
Email
sales@anpharma.net
Country
China
ProdList
4891
Advantage
55
Shanghai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847; 18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
27313
Advantage
60
Shandong Xiya Chemical Co., Ltd.
Tel
4009903999 13395398332
Fax
0539-6365991
Email
sales@xiyashiji.com
Country
China
ProdList
20806
Advantage
60
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
Advantage
58
Guangdong wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2886750 13927877953
Fax
0751-2886750
Email
3005811397@qq.com
Country
China
ProdList
13320
Advantage
58
Guangzhou Jhd Chemical Reagent Co., Ltd.
Tel
020-84383047
Fax
020-84380294
Email
sales@jhd.com.cn
Country
China
ProdList
9186
Advantage
65
Shanghai Orgchem Co.,Ltd.
Tel
+86-21-5877 1921
Fax
+86-21-5877 1925
Email
info@chemofchina.com
Country
China
ProdList
9653
Advantage
55
Conier Chem & Pharma Limited
Tel
13368167990
Email
sales@conier.com
Country
China
ProdList
2830
Advantage
58
Wuhan FengyaoTonghui Chemical Products Co., Ltd.
Tel
027-87466105 15377573527
Email
2678564200@qq.com
Country
China
ProdList
17987
Advantage
58
Shanghai Haohong Pharmaceutical Co., Ltd.
Tel
400-8210725 18016230971
Fax
021-58955996
Email
malulu@leyan.com
Country
China
ProdList
24969
Advantage
58
QuZhou Rainfull Chemical Co.,Ltd.
Tel
0570-3062289 13819008176 15068926975
Fax
0570-3063388
Email
527757556@qq.com
Country
China
ProdList
2957
Advantage
58
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400-6387771-6038 18902104717
Email
sales@heowns.com
Country
China
ProdList
21090
Advantage
60
Shanghai Jizhi Biochemical Technology Co. Ltd.
Tel
4009004166/18616739031 18616739031
Email
3007523370@qq.com
Country
China
ProdList
52693
Advantage
58
Hubei Zhonglong Kangsheng Fine Chemical Co., Ltd.
Tel
15926260361
Fax
QQ:1930063008
Email
1930063008@qq.com
Country
China
ProdList
2160
Advantage
58
Henan Alpha Chemical Co., Ltd.
Tel
0371-0371-55055611 18137792234
Fax
QQ：3002694073
Email
3002694073@qq.com
Country
China
ProdList
10566
Advantage
58
Henan Alfa Chemical Co., Ltd
Tel
Country
China
ProdList
13225
Advantage
58
Hebei Chuanghai Biotechnology Co,.LTD
Tel
+86-13131129325
Fax
86-0311-66562153
Email
sales1@chuanghaibio.com
Country
China
ProdList
5892
Advantage
58
Wuhan Fortuna Chemical Co., Ltd
Tel
+86-027-59207850
Fax
86-27-59524646
Email
info@fortunachem.com
Country
China
ProdList
5978
Advantage
58
Dideu Industries Group Limited
Tel
+86-29-89586680 +86-15129568250
Email
1026@dideu.com
Country
China
ProdList
22883
Advantage
58
Shanghai UCHEM Inc.
Tel
+862156762820 +86-13564624040
Email
sales@myuchem.com
Country
China
ProdList
7514
Advantage
58
Wuhan wingroup Pharmaceutical Co., Ltd
Tel
+86-13296627870; +8613296627870
Fax
0086-27-87819568
Email
info@whwingroup.com
Country
China
ProdList
695
Advantage
58
Shandong Believe Chemical PTE.LTD
Tel
+86-18553607090 +8618553607090
Email
1093908296@qq.com
Country
China
ProdList
1667
Advantage
58
Hefei TNJ Chemical Industry Co.,Ltd.
Tel
+86-0551-65418671 +8618949823763
Fax
0551-65418697
Email
sales@tnjchem.com
Country
China
ProdList
34563
Advantage
58
Dayang Chem (Hangzhou) Co.,Ltd.
Tel
571-88938639 +8617705817739
Fax
+86-571-88938652，+86-571- 88492614
Email
info@dycnchem.com
Country
China
ProdList
52849
Advantage
58
Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Fax
027-59599243
Email
linda@hubeijusheng.com
Country
CHINA
ProdList
28172
Advantage
58
Jinan Finer Chemical Co., Ltd
Tel
+86-531-88989536 +86-15508631887
Fax
+86-531-88989539
Email
sales@finerchem.com
Country
China
ProdList
2963
Advantage
58
Guangdong Wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2886766 13927870850
Fax
0751-2886756
Email
3001267247@qq.com
Country
China
ProdList
9974
Advantage
58
Hubei xin bonus chemical co. LTD
Tel
86-13657291602
Fax
027-59338440
Email
linda@hubeijusheng.com
Country
CHINA
ProdList
22963
Advantage
58
Shandong chuangyingchemical Co., Ltd.
Tel
18853181302
Email
sale@chuangyingchem.com
Country
CHINA
ProdList
5906
Advantage
58
Wuhan xinyangruihe Chemical Technology Co., Ltd.
Tel
153-07155313 15307155313
Fax
QQ：2274366233
Email
2274366233@qq.com
Country
China
ProdList
4997
Advantage
58
Shanghai Yanze Chemical Co., Ltd.
Tel
021-13773155751 19975051755
Email
260924549@qq.com
Country
China
ProdList
8904
Advantage
58
Chongqing Chemdad Co., Ltd
Tel
+86-023-6139-8061 +86-86-13650506873
Email
sales@chemdad.com
Country
China
ProdList
39894
Advantage
58
More
Less

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

WUHAN FORTUNA CHEMICAL CO., LTD
Product
2-Aminotoluene-5-sulfonic acid 98-33-9
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-24
Hebei Miaoyin Technology Co.,Ltd
Product
6-Amino-m-toluensulfonic acid 98-33-9
Price
US $20.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10000
Release date
2023-04-07
Hebei Chuanghai Biotechnology Co,.LTD
Product
2-Aminotoluene-5-sulfonic acid 98-33-9
Price
US $30.00-10.00/kg
Min. Order
10kg
Purity
99%
Supply Ability
100000kg
Release date
2024-08-14

98-33-9, 2-Aminotoluene-5-sulfonic acidRelated Search:

4-Amino-benzenesulfonic acid monosodium salt p-Toluenesulfonic acid Sodium p-toluenesulfonate Sodium xylenesulfonate Sulfamic acid 4-Amino-3-methylphenol Nickel bis(sulphamidate) SODIUM P-TOLUENESULFONATE Ethyl 2-(Chlorosulfonyl)acetate Sulfanilic acid 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

  • 2-AMINOTOLUENE-5-SULFONIC ACID
  • 2-TOLUIDINE-5-SULFONIC ACID
  • 4-AMINO-M-TOLUENESULFONIC ACID
  • 4-AMINO-3-METHYLBENZENESULFONIC 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
  • 3-Methyl-4-aminobenzene-1-sulfonic acid
  • 4-Amino-3-methylbenzene-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
  • 6-Amino-m-toluensulfonic acid
  • TIANFU-CHEM 2-Aminotoluene-5-sulfonic acid 98-33-9
  • 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