Molekula
Fast Red KL salt
Fast Red KL salt is a water-soluble azo dye used in analytical chemistry for dyeing and staining applications, particularly in histology and microscopy. It is a salt of a diazo compound with zinc chloride. CAS: 86780-25-8, Molecular formula: C8H8N3O2 · 1/2ZnCl2, Molecular weight: 246.32 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Fast Red KL salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Fast Red KL salt is a water-soluble azo dye used in analytical chemistry for dyeing and staining applications, particularly in histology and microscopy. It is a salt of a diazo compound with zinc chloride. CAS: 86780-25-8, Molecular formula: C8H8N3O2 · 1/2ZnCl2, Molecular weight: 246.32 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Fast Red KL salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Brown to red powder |
| pH | 7-8 |
| Moisture | NMT 5% |
| Dye Content | >25% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 86780-25-8 |
| Molecular Formula | C8H8N3O2 · 1/2ZnCl2 |
| Molecular Weight | 246.32 |
| SMILES | COC1=CC(=C(C=C1)C(=O)N)[N+]#N.[Cl-] |
| REACH Code | Y110 |
| HTS Code | 2927.00.3000 |
| Tariff Code | 2927000090 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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 Fast Red KL salt used for?
Fast Red KL salt is primarily used as a dye intermediate in the production of azo dyes for textiles and leather.
What is the chemical formula and molecular weight of Fast Red KL salt?
The formula is C8H8N3O2 · 1/2ZnCl2 with a molecular weight of 246.32 g/mol.
How should Fast Red KL salt be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of Fast Red KL salt is available?
Molekula supplies Fast Red KL salt in technical grade for industrial applications.
Can Molekula supply Fast Red KL salt in bulk?
Yes, Molekula can supply Fast Red KL salt in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of Fast Red KL 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.