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

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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)

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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

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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.

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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

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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

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2-Aminotoluene-5-sulfonic acid Suppliers

China 143 Europe 4 Germany 3 India 23 South Korea 1 Switzerland 1 United Kingdom 8 United States 19 Global 202

Cenik Chemicals

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Hickson & Welch Ltd.

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Apollo Scientific Ltd.

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Leancare Ltd.

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MOLEKULA Ltd.

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CARBONE SCIENTIFIC CO.,LTD

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Eurolabs Limited

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VWR International

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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