Molekula
DAOS (N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline, sodium salt)
DAOS is a water-soluble sulfonated aniline derivative used as a chromogenic reagent in biochemical assays and analytical chemistry. It functions as a colorimetric indicator in detection systems requiring high sensitivity and stability. Available in powder form with a molecular weight of 341.36 g/mol, CAS number 83777-30-4, and molecular formula C13H20NO6S·Na. Stable at ambient temperature with no signal word assigned. Molekula supplies DAOS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
DAOS is a water-soluble sulfonated aniline derivative used as a chromogenic reagent in biochemical assays and analytical chemistry. It functions as a colorimetric indicator in detection systems requiring high sensitivity and stability. Available in powder form with a molecular weight of 341.36 g/mol, CAS number 83777-30-4, and molecular formula C13H20NO6S·Na. Stable at ambient temperature with no signal word assigned. Molekula supplies DAOS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 83777-30-4 |
| Molecular Formula | C13H20NO6S·Na |
| Molecular Weight | 341.36 |
| SMILES | CCN(CC(CS(=O)(=O)[O-])O)C1=CC(=CC(=C1)OC)OC.[Na+] |
| REACH Code | Y113 |
| Tariff Code | 2922500090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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 DAOS used for?
DAOS is primarily used as a pH indicator in biochemical assays and as a reagent in analytical chemistry due to its sensitive color change with pH.
What is the chemical formula and molecular weight of DAOS?
The formula is C13H20NO6S·Na with a molecular weight of 341.36 g/mol.
How should DAOS be stored?
DAOS should be stored at ambient temperature, protected from moisture and light.
What grade of DAOS is available?
Molekula supplies DAOS in analytical grade.
Can Molekula supply DAOS in bulk?
Yes, Molekula can supply DAOS in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a DAOS order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) upon request.
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.