Molekula
1-Diazo-2-naphthol-4-sulfonic acid
1-Diazo-2-naphthol-4-sulfonic acid is a diazo compound used in dye synthesis and organic chemistry research. It is a yellow crystalline solid with the molecular formula C10H6N2O4S and a molecular weight of 250.23 g/mol. It is stable at ambient temperatures and should be handled with care due to its danger signal word. Molekula supplies 1-Diazo-2-naphthol-4-sulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
1-Diazo-2-naphthol-4-sulfonic acid is a diazo compound used in dye synthesis and organic chemistry research. It is a yellow crystalline solid with the molecular formula C10H6N2O4S and a molecular weight of 250.23 g/mol. It is stable at ambient temperatures and should be handled with care due to its danger signal word. Molekula supplies 1-Diazo-2-naphthol-4-sulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow to Brown powder |
| Purity (HPLC) | >98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 4.1 (8) |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 887-76-3 |
| Molecular Formula | C10H6N2O4S |
| Molecular Weight | 250.23 |
| EC / UN Number | 2925 |
| REACH Code | Y110 |
| Tariff Code | 29270000 |
Safety & GHS
-
Oxidizing
GHS03
-
Compressed Gas
GHS04
Hazard statements
- H228 Flammable solid
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P315 Get immediate medical advice/attention
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 1-Diazo-2-naphthol-4-sulfonic acid used for?
It is primarily used as a dye intermediate in the synthesis of azo dyes and in analytical chemistry for colorimetric assays.
What is the chemical formula and molecular weight?
The formula is C10H6N2O4S with a molecular weight of 250.23 g/mol.
How should this compound be stored?
Store at ambient temperature, protected from light and moisture, and keep away from incompatible materials.
What grade is available?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply this in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for pricing and lead times.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided 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.