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Aniline-2-sulfonic acid-

2 Inquiries

Unit Price:

$15-18/KG FOB

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CAS No.:

88-21-1

Grade:

Industrial Grade

Content:

98%

Port:

shanghai

Packaging:

25kg

Price valid (until):

2026-10-01

 The product will be displayed normally on the website later.

chemtour

Company Type:

Trader

Location:

China

Qualification:

Main Products:

amino acid derivatives,pharmaceutical intermediates,oligonucleotide reagent

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Product Description
Seller Information
Inquiry History

Description

Product Detail

2-amino-1-benzenesulfonicacid;2-SULFOANILINE;2-AMINOBENZENESULFONICACID;ANILINE-2-SULFONICACID;ANILINE-O-SUChemicalbookLFONICACID;2-aminobenzenesulphonicacid;ORTHOAMINOPHENOLSULPHONIC;ORTHANILICACID(2-AMINOBENZENESULFONICACID)

Items	Specifications

ECHEMI Editorial Reference

LIGHT BROWN FINE CRYSTALLINE POWDER
2-aminobenzene sulfonic acid is a light brown powder. (NTP, 1992)
2-aminobenzene sulfonic acid is a light brown powder. (NTP, 1992)|2-aminobenzenesulfonic acid is an aminobenzenesulfonic acid carrying an amino group at position 2. It is a conjugate acid of a 2-aminobenzenesulfonate.

Basic Info

Product Name:

2-Aminobenzenesulfonic acid

Other Name:

Benzenesulfonic acid,2-amino-;Benzenesulfonic acid,o-amino-;2-Aminobenzenesulfonic acid;Aniline-o-sulfonic acid;Orthanilic acid;o-Sulfanilic acid;2-Anilinesulfonic acid;o-Aminobenzenesulfonic acid;1-Aminobenzene-2-sulfonic acid;o-Aminophenylsulfonic acid;2-Aminophenylsulfonic acid;2-Sulfoaniline;NSC 147;2-Aminobenzene-1-sulfonic acid

CAS No.:

88-21-1

Molecular Formula:

C6H7NO3S

InChIKeys:

InChIKey=ZMCHBSMFKQYNKA-UHFFFAOYSA-N

Molecular Weight:

173.19000

Exact Mass:

173.19

EC Number:

201-810-9

UNII:

ZB9JSA4BH0

NSC Number:

147

UN Number:

2585

DSSTox ID:

DTXSID1024463

HScode:

2921420090

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

88.77000

XLogP3:

0.4

Appearance:

2-aminobenzene sulfonic acid is a light brown powder. (NTP, 1992)

Density:

1.512 g/cm3

Melting Point:

>320 °C (decomp)

Boiling Point:

363ºC

Refractive Index:

1.630

Water Solubility:

Sparingly soluble with water.

Storage Conditions:

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Collision Cross Section:

153.23 Å² [M+Na]+ [CCS Type: DT, Method: stepped-field]|133.9 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|130.5 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|131.9 Å² [M-H]-

Air and Water Reactions:

Soluble in water.

Reactive Group:

Acids, Weak

Reactivity Profile:

2-AMINOBENZENE SULFONIC ACID is an amino acid. Reacts weakly with both acids and bases.

See More 2-Aminobenzenesulfonic acid Properties 

Hazard Identification

Classification of the substance or mixture

Eye irritation, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H319 Causes serious eye irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 2-Aminobenzenesulfonic acid Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
amino acid derivatives,pharmaceutical intermediates,oligonucleotide reagent

Location:
41-1402, CECEP, No.18 Dongchang Road, Suzhou Industrial Park, Jiangsu Province, 215126 China

Payment Terms:
TT against copy of documents

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Year of Establishment:
2014

Founded in 2014, Chemtour is specializing in providing pharmaceutical raw materials and chemicals for domestic and foreign customers. There are four series of product, including peptide chemical & amino acid, organic boron, advanced intermediate (orphan drug mainly), enzyme & catalyst.
Based on the vision of "supplying the first-class service in healthy industry" and the mission of "healthier and better", with the capability from lab sample, pilot scale to commercial production by CRO, CMO and quality support, and with more than 10 years of experience, we aim to supply reliable & stable product and perfect & professional service; Our market spread more than 20 countries in North America, Europe, Asia, and Africa.
Look forward to working with partners all over the world!

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Inquiry History

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
Japan	Aniline-2-sulfonic acid	1 MT	Aug 27, 2026
Turkey	Sulphanilic Acid	10 MT	Feb 18, 2024

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ORTHANILIC ACID HAILAN	/	HANGZHOU HAILAN CHEMICAL CO.,LTD	Inquiry

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