Arsenazo III
Arsenazo III (CAS 1668-00-4), molecular formula (HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 2,2′-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid,2,7-Bis(2-arsonophenylazo)chromotropic acid
| Molecular weight | 776.37 |
|---|---|
| Linear formula | (HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2 |
| Form | powder |
| Solubility | ammonium hydroxide: soluble1 mg/mL |
| Impurities tested | <0.1% Ca |
| Application | Arsenazo III is used in the determination of calcium in serum.1,2 It has been used to evaluate calcium transport in permeabilized cells.3 Arsenazo III has also been used for the spectrophotometric determination of uranium and thorium.4,5 |
| Melting point | >320 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- 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 / PGII |
| 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 530 nm |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 III?
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Arsenazo III (CAS 1668-00-4), molecular formula (HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.
What grades of Arsenazo III does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Arsenazo III in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Arsenazo III?
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Arsenazo III has CAS number 1668-00-4 and molecular formula (HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Arsenazo III?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Arsenazo III ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Arsenazo III be stored?
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Store Arsenazo III in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Arsenazo III used for?
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Arsenazo III is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Arsenazo III?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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