Arsenazo I
Arsenazo I (CAS 66019-20-3) is a chemical compound with a molecular weight of 614.28 g/mol. It is supplied by Tech Serve Solutions as an indicator grade reagent. This compound serves as a vital analytical reagent, primarily recognised for its utility in spectroscopic analysis and as a metal titration indicator, aiding in precise chemical determinations in laboratory settings.
- IUPAC
- 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)benzenearsonic acid trisodium salt,3-(2-Arsonophenyl)azo-4,5-dihydroxy-2,7-naphthalenedisulfonic acid trisodium salt
- Synonyms
- 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)benzenearsonic acid trisodium salt3-(2-Arsonophenyl)azo-4,5-dihydroxy-2,7-naphthalenedisulfonic acid trisodium salt
Spectroscopic Analysis
Arsenazo I is employed as a chromogenic reagent in UV/Visible spectroscopy. Its distinct absorption maximum at 499 nm allows for the quantitative determination of various analytes through colourimetric methods.
Metal Titration Indicator
This compound functions as a sensitive indicator in complexometric titrations. It facilitates the accurate endpoint determination in the analysis of various metal ions.
Analytical Reagent
Utilised across various analytical chemistry disciplines, Arsenazo I contributes to accurate chemical measurements and quality control procedures in research and industrial laboratories.
| Molecular weight | 614.28 |
|---|---|
| Linear formula | (HO)2C10H3(SO3R)2N=NC6H4As(O)(OR)2, R = 3Na and 1H |
| Grade | indicator grade |
Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3465 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 499 nm |
|---|
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 Arsenazo I used for?
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Arsenazo I is primarily used as an indicator in metal titrations and for spectroscopic analysis due to its chromogenic properties.
What is the CAS number and formula for Arsenazo I?
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The CAS number for Arsenazo I is 66019-20-3. Its linear formula is (HO)₂C₁₀H₃(SO₃R)₂N=NC₆H₄As(O)(OR)₂, where R = 3Na and 1H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Arsenazo I in indicator grade. We do not represent it as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Arsenazo I be handled safely?
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Arsenazo I is classified as toxic if swallowed or inhaled and very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a P2 respirator cartridge. Ensure good ventilation and avoid release into the environment.
Is Arsenazo I a controlled substance?
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The provided data does not indicate that Arsenazo I is a controlled substance. However, users should always comply with local regulations.
How is Arsenazo I packed and exported?
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Arsenazo I is shipped under UN 3465, Class 6.1, Packing Group III. Tech Serve Solutions ensures compliance with all shipping and export regulations.
How can I request a sample or quote for Arsenazo I?
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To request a sample or a quote for Arsenazo I, please contact our sales department through the website or by phone, providing your specific requirements.
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