Molekula
Arsenazo III disodium salt
Arsenazo III disodium salt is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and calcium. It functions as a colorimetric indicator in spectrophotometric assays. Available with a CAS number of 62337-00-2, its molecular formula is C22H16As2N4Na2O14S2 and molecular weight is 820.33 g/mol. It should be stored at ambient temperature. Signal word: Danger. Molekula supplies Arsenazo III disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Arsenazo III disodium salt is a chromogenic reagent used in analytical chemistry for the detection and quantification of metal ions, particularly rare earth elements and calcium. It functions as a colorimetric indicator in spectrophotometric assays. Available with a CAS number of 62337-00-2, its molecular formula is C22H16As2N4Na2O14S2 and molecular weight is 820.33 g/mol. It should be stored at ambient temperature. Signal word: Danger. Molekula supplies Arsenazo III disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Black powder |
| FTIR | Complies to sample structure |
| Identification by MASS | Should conform to the structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 62337-00-2 |
| Molecular Formula | C22H16As2N4Na2O14S2 |
| Molecular Weight | 820.33 |
| SMILES | C1=CC=C(C(=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=CC=C4[As](=O)(O)O)O)O)[As](=O)(O)O.[Na+].[Na+] |
| EC / UN Number | 3465 |
| REACH Code | Y110 |
| Tariff Code | 2931900090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled
- H350 May cause cancer
- H373 May cause damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Arsenazo III disodium salt used for?
It is primarily used as a chromogenic reagent in analytical chemistry for detecting and quantifying metal ions, especially rare earth elements and calcium.
What is the chemical formula and molecular weight of Arsenazo III disodium salt?
The formula is C22H16As2N4Na2O14S2 with a molecular weight of 820.33 g/mol.
How should Arsenazo III disodium salt be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available for Arsenazo III disodium salt?
It is available in analytical grade for laboratory use.
Can Molekula supply Arsenazo III disodium salt in bulk?
Yes, Molekula can supply Arsenazo III disodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Arsenazo III disodium salt?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.