2-(4-Hydroxyphenylazo)benzoic acid
2-(4-Hydroxyphenylazo)benzoic acid (CAS: 1634-82-8, Formula: HOC6H4N=NC6H4CO2H) is an organic compound with a molecular weight of 242.23. This azo dye serves as a valuable building block in chemical synthesis. Its characteristic absorption properties at 337 nm make it suitable for analytical applications. Tech Serve Solutions supplies this chemical for research and development purposes.
- IUPAC
- 2-(4′-Hydroxybenzeneazo)benzoic acid,4′-Hydroxyazobenzene-2-carboxylic acid,HABA,HBABA
- Synonyms
- 2-(4′-Hydroxybenzeneazo)benzoic acid4′-Hydroxyazobenzene-2-carboxylic acidHABAHBABA
Chemical Synthesis Intermediate
This compound acts as a versatile building block in organic synthesis. Its reactive functional groups allow for further chemical modifications in the development of novel molecules.
Analytical Reagent
With a defined absorption maximum at 337 nm, 2-(4-Hydroxyphenylazo)benzoic acid can be employed in analytical chemistry for specific detection or quantification methods.
Research and Development
Utilised in laboratory settings for investigating new chemical pathways and materials, its structural features are of interest for diverse research applications.
| Molecular weight | 242.23 |
|---|---|
| Linear formula | HOC6H4N=NC6H4CO2H |
| Assay | ≥98% (TLC) |
| Solubility | ethanol: soluble20 mg/mL, clear |
| Melting point | 204-208 °C(lit.) |
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) | 26-36 |
| Cation traces | Ca: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤50 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNa: ≤100 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | absorption/337 nm ≥2000 (mol. absorption) |
|---|---|
| Analyte Suitability | glycanspeptidespolymersproteins |
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 2-(4-Hydroxyphenylazo)benzoic acid used for?
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2-(4-Hydroxyphenylazo)benzoic acid is primarily used as a building block in chemical synthesis and as an analytical reagent, particularly in research and development settings.
What are the CAS number and chemical formula for 2-(4-Hydroxyphenylazo)benzoic acid?
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The CAS number is 1634-82-8 and the linear chemical formula is HOC6H4N=NC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(4-Hydroxyphenylazo)benzoic acid with an assay of ≥98% (TLC). We do not represent this product as USP, BP, or EP grade.
How should 2-(4-Hydroxyphenylazo)benzoic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, as it may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is this chemical shipped or exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for 2-(4-Hydroxyphenylazo)benzoic acid?
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Please contact our sales department directly through the website or by phone to request a sample or obtain a quotation.
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