Molekula
Naphthol AS-BI phosphate
Naphthol AS-BI phosphate is a water-soluble azo dye intermediate used in the production of dyes and pigments for textiles and coatings. It is a sodium salt of a phosphoric acid derivative, providing good solubility and reactivity in aqueous systems. Available in anhydrous form with a molecular weight of 496.16 g/mol, CAS number 1919-91-1, and stored at 2 to 8 °C. Molekula supplies Naphthol AS-BI phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Naphthol AS-BI phosphate is a water-soluble azo dye intermediate used in the production of dyes and pigments for textiles and coatings. It is a sodium salt of a phosphoric acid derivative, providing good solubility and reactivity in aqueous systems. Available in anhydrous form with a molecular weight of 496.16 g/mol, CAS number 1919-91-1, and stored at 2 to 8 °C. Molekula supplies Naphthol AS-BI phosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Brownish solid |
| Assay (HPLC) | ≥ 95.0% |
| Identification (IR) | Conforms to reference |
| NMR | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1919-91-1 |
| Molecular Formula | C18H13BrNNa2O6P · xH2O |
| Molecular Weight | 496.16 (Anhy.) |
| SMILES | COC1=CC=CC=C1NC(=O)C2=C(C=C3C=CC(=CC3=C2)Br)OP(=O)(O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29242977 |
| 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
- P264 Wash thoroughly after handling
- 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-BI phosphate used for?
It is primarily used as a dye intermediate in the production of azo dyes and pigments, especially in the textile and printing industries.
What is the chemical formula and molecular weight?
The formula is C18H13BrNNa2O6P · xH2O with a molecular weight of 496.16 for the anhydrous form.
How should Naphthol AS-BI phosphate be stored?
It should be stored at 2 to 8 °C in a cool, dry place, protected from light and moisture.
What grade is available?
Molekula supplies Naphthol AS-BI phosphate in technical grade, suitable for industrial applications.
Can Molekula supply it in bulk?
Yes, Molekula can supply Naphthol AS-BI phosphate in bulk quantities; 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); additional documentation can be provided upon request.
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