8-Hydroxy-5-quinolinesulfonic acid monohydrate
8-Hydroxy-5-quinolinesulfonic acid monohydrate (CAS: 283158-18-9; Formula: C9H7NO4S · H2O; MW: 243.24) is a chemical compound supplied by Tech Serve Solutions. It is an organic intermediate primarily utilised in chemical synthesis and as a building block in the creation of more complex molecules. Its quinoline structure and sulfonic acid group offer versatile reactivity for various research and development applications.

Chemical Synthesis
Serves as a valuable intermediate in organic synthesis pathways. The presence of both a quinoline ring and a sulfonic acid moiety allows for diverse chemical modifications and reactions.
Heterocyclic Building Block
Utilised as a key building block in the construction of heterocyclic compounds. Its defined structure aids in the development of novel molecules for research purposes.
Research and Development
Employed in laboratory settings for various R&D projects. Researchers can leverage its properties for exploring new chemical entities and reaction mechanisms.
| Molecular weight | 243.24 |
|---|---|
| Empirical formula | C9H7NO4S · H2O |
| Assay | ≥95% (T) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 8-Hydroxy-5-quinolinesulfonic acid monohydrate used for?
+
This compound is primarily used as an intermediate in chemical synthesis and as a heterocyclic building block in research and development.
What is the CAS number and formula for 8-Hydroxy-5-quinolinesulfonic acid monohydrate?
+
The CAS number is 283158-18-9, and the empirical formula (Hill notation) is C9H7NO4S · H2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product with an assay of ≥95% (T). We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should 8-Hydroxy-5-quinolinesulfonic acid monohydrate be handled?
+
This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Wear appropriate personal protective equipment including Eyeshields, Gloves, and a dust mask type N95 (US). Ensure adequate ventilation.
Is this product available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a quote or sample?
+
Please contact our sales department directly through the website to request a quote or sample.
▶ 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