Molekula
Naphthol AS-TR phosphate disodium salt
Naphthol AS-TR phosphate disodium salt is a water-soluble dye intermediate used in the production of azo dyes and pigments for textiles and plastics. It is a key component in developing fastness and color intensity in industrial dyeing processes. CAS: 4264-93-1, Molecular Formula: C18H13ClNNa2O5P, Molecular Weight: 435.71 g/mol. Store at -15 to -20 °C. Warning signal word applies. Molekula supplies Naphthol AS-TR phosphate disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Naphthol AS-TR phosphate disodium salt is a water-soluble dye intermediate used in the production of azo dyes and pigments for textiles and plastics. It is a key component in developing fastness and color intensity in industrial dyeing processes. CAS: 4264-93-1, Molecular Formula: C18H13ClNNa2O5P, Molecular Weight: 435.71 g/mol. Store at -15 to -20 °C. Warning signal word applies. Molekula supplies Naphthol AS-TR phosphate disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off white powder |
| Purity (HPLC) | 99% min |
| Water Content (KF) | 20% max |
| Solubility, 1% Water | Clear, colourless to light yellow |
| IR/HMR Spectrum | confirm |
| Solvent (HPLC) | 1% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Shelf Life | 36 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 4264-93-1 |
| Molecular Formula | C18H13ClNNa2O5P |
| Molecular Weight | 435.71 |
| SMILES | CC1=C(C=CC(=C1)Cl)NC(=O)C2=CC3=CC=CC=C3C=C2OP(=O)([O-])[O-].[Na+].[Na+] |
| REACH Code | Y113 |
| HTS Code | 29242936 |
| Tariff Code | 2924297099 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- 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
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 Naphthol AS-TR phosphate disodium salt used for?
It is primarily used as a reactive dye intermediate in the production of azo dyes for textiles and leather.
What is the chemical formula and molecular weight?
The formula is C18H13ClNNa2O5P with a molecular weight of 435.71 g/mol.
How should this compound be stored?
It must be stored at temperatures between -15 and -20 °C to maintain stability.
What grade is available?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
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.