Molekula
Fluorescein disodium salt (insoluble, 50-53% dye content)
CAS 518-47-8
C20H10Na2O5
MW 376.28
In stock
C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-...
Overview
A high-purity stains & indicators supplied by Molekula across research and bulk scale.
Specifications
| Property | Value |
|---|---|
| Heavy metals | ≤ 40 mg/kg |
| Loss on Drying | ≤ 8% |
| Assay | ≥80.0% |
| Absorption Ratio | 1.20-1.70 ((λmax - 15 nm)/(λmax +15 nm)) |
| Appearance | Red/ dark orange powder |
| Cadmium (Cd) | ≤ 1 mg/kg |
| Mercury (Hg) | ≤ 1 mg/kg |
| Arsenic (As) | ≤ 3 mg/kg |
| Wavelenght of max absorption | 488.0 - 492.0 nm (in distilled water) |
| Lead(Pb) | ≤ 10 mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 218 C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 518-47-8 |
| Molecular Formula | C20H10Na2O5 |
| Molecular Weight | 376.28 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+] |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
None
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.
Documents
Certificate of Analysis (CoA) by batch
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Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
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