Skip to the beginning of the images gallery

Aniline-2,4-disulfonic acid - 96%, high purity , CAS No.137-51-9

COA

Grade & Purity:

≥96%

Cas Number: 137-51-9
Molecular Weight: 253.25
PubChem CID: 67304

In stock

Item Number

A181360

Grouped product items
SKU	Size	Availability	Price
A181360-250mg	250mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$15.90
A181360-1g	1g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$19.90
A181360-5g	5g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$58.90
A181360-25g	25g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$174.90

View related series

Aromatic Ring Compounds (348) Molecular block (319)

Basic Description

Synonyms	OBE9XQ0O96 \| J-007033 \| Q-200200 \| UNII-OBE9XQ0O96 \| 1-Aminobenzol-2,4-disulfosaure \| 6-AMINO-1,3-BENZENEDISULFONIC ACID \| AS-13930 \| 4-Amino-1,3-benzenedisulfonic acid \| FT-0622395 \| 4-aminobenzene-1,3-disulfonic acid \| SCHEMBL153646 \| EINECS 205-299-3 \|
Specifications & Purity	≥96%
Storage Temp	Store at 2-8°C,Protected from light
Shipped In	Wet ice This product requires cold chain shipping. Ground and other economy services are not available.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Benzenoids
  - Class Benzene and substituted derivatives
    - Subclass Benzenesulfonic acids and derivatives

Kingdom	Organic compounds
Superclass	Benzenoids
Class	Benzene and substituted derivatives
Subclass	Benzenesulfonic acids and derivatives
Intermediate Tree Nodes	Not available
Direct Parent	Benzenesulfonic acids and derivatives
Alternative Parents	Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Aniline and substituted anilines Sulfonyls Organosulfonic acids Primary amines Organopnictogen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Aniline or substituted anilines - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Primary amine - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as benzenesulfonic acids and derivatives. These are organic compounds containing a sulfonic acid or a derivative thereof that is linked to a benzene ring.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	4-aminobenzene-1,3-disulfonic acid
INCHI	InChI=1S/C6H7NO6S2/c7-5-2-1-4(14(8,9)10)3-6(5)15(11,12)13/h1-3H,7H2,(H,8,9,10)(H,11,12,13)
InChIKey	IMUUNYPYNWXUBO-UHFFFAOYSA-N
Smiles	C1=CC(=C(C=C1S(=O)(=O)O)S(=O)(=O)O)N
Isomeric SMILES	C1=CC(=C(C=C1S(=O)(=O)O)S(=O)(=O)O)N
Molecular Weight	253.25
Reaxy-Rn	2701061
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2701061&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot Number	Certificate Type	Date	Item
C2531249	Certificate of Analysis	Mar 21, 2025	A181360
C2531253	Certificate of Analysis	Mar 21, 2025	A181360
C2531254	Certificate of Analysis	Mar 21, 2025	A181360
C2531257	Certificate of Analysis	Mar 21, 2025	A181360
C2531100	Certificate of Analysis	Mar 21, 2025	A181360
C2531250	Certificate of Analysis	Mar 21, 2025	A181360
C2531251	Certificate of Analysis	Mar 21, 2025	A181360
C2531252	Certificate of Analysis	Mar 21, 2025	A181360
C2531255	Certificate of Analysis	Mar 21, 2025	A181360
C2531256	Certificate of Analysis	Mar 21, 2025	A181360

Chemical and Physical Properties

Sensitivity	light sensitive
Molecular Weight	253.300 g/mol
XLogP3	-1.600
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	2
Exact Mass	252.971 Da
Monoisotopic Mass	252.971 Da
Topological Polar Surface Area	152.000 Å²
Heavy Atom Count	15
Formal Charge	0
Complexity	416.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration