5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid (CAS: 119-70-0) is an organic compound with the molecular formula H2NC6H4NHC6H3(NH2)SO3H and a molecular weight of 279.31 g/mol. This chemical serves as a valuable building block in organic synthesis. It is primarily utilised in chemical synthesis and as an organic building block, contributing to the development of more complex molecules and materials in research and industrial applications.
![5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid (H2NC6H4NHC6H3(NH2)SO3H) — chemical structure, CAS 119-70-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F119-70-0.png&w=3840&q=75)
Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of diverse organic molecules. Its structure, featuring multiple amine groups and a sulfonic acid moiety, allows for various chemical transformations.
Building Block for Specialty Chemicals
It serves as a foundational component for constructing specialised chemical entities. Its reactive sites make it suitable for creating novel compounds with specific functionalities for research and development purposes.
Research and Development
Utilised in laboratory settings for exploring new synthetic pathways and developing innovative chemical products. Its availability supports academic and industrial research initiatives.
| Molecular weight | 279.31 |
|---|---|
| Linear formula | H2NC6H4NHC6H3(NH2)SO3H |
| Melting point | 244 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid used for?
+
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid is primarily used as a building block in organic synthesis and for chemical research and development.
What is the CAS number and chemical formula for this product?
+
The CAS number is 119-70-0 and the chemical formula is H2NC6H4NHC6H3(NH2)SO3H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this compound primarily for research and chemical synthesis. The specific grade and purity are available upon request. We do not represent this product as USP, BP, or EP grade.
How should 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid be handled?
+
Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. Consult the Safety Data Sheet for comprehensive handling information.
Is this product suitable for export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, including this product.
How can I request a quote or sample?
+
To request a quote or sample, please contact our sales team through the website or by phone, referencing the product name and CAS number 119-70-0.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis