Molekula
Hydroxynaphtholblau
Hydroxynaphthol blue is a sodium salt dye used as a metal ion indicator in complexometric titrations, particularly for calcium and magnesium. It appears as a dark blue crystalline powder. CAS: 63451-35-4, Molecular Formula: C20H11N2Na3O11S3, Molecular Weight: 620.47 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Hydroxynaphthol blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Hydroxynaphthol blue is a sodium salt dye used as a metal ion indicator in complexometric titrations, particularly for calcium and magnesium. It appears as a dark blue crystalline powder. CAS: 63451-35-4, Molecular Formula: C20H11N2Na3O11S3, Molecular Weight: 620.47 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Hydroxynaphthol blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Black coloured powder |
| Melting Point | 800 -802°C |
| Boiling Point | 1412 - 1414°C |
| Solubility in water | Soluble in water |
| Suitability as a metal indicator | Passes test |
| Loss on drying at 105°C | ≤5.0% |
| Absorption maxima (buffer pH 12.0) | 646 nm +/- 2nm |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Acid |
Identifizierung
| Property | Value |
|---|---|
| CAS Number | 63451-35-4 |
| Molecular Formula | C20H11N2Na3O11S3 |
| Molecular Weight | 620.47 |
| SMILES | [Na].O=S(=O)(O)C=1C=CC=2C(C1)=CC(=C(O)C2N=NC3=C(O)C=C(C=4C=CC=CC34)S(=O)(=O)O)S(=O)(=O)O |
| EC / UN Number | 3261 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29270040 |
| Tariff Code | 2927000090 |
Sicherheit & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Gefahrenhinweise
- H314 Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
Vorsichtsmaßnahmen
- P261 Avoid breathing 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Nur für Forschungs- und industrielle Zwecke
Dokumente
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Preise und Verpackungsgrößen
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
What is Hydroxynaphthol blue used for?
It is primarily used as a metal ion indicator in complexometric titrations, especially for detecting calcium and magnesium ions.
What is the chemical formula and molecular weight of Hydroxynaphthol blue?
The formula is C20H11N2Na3O11S3 with a molecular weight of 620.47 g/mol.
How should Hydroxynaphthol blue be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available for Hydroxynaphthol blue?
Available in analytical grade for laboratory use.
Can Molekula supply Hydroxynaphthol blue in bulk?
Yes, Molekula can supply Hydroxynaphthol blue in bulk quantities—please contact sales for details.
What documentation comes with a purchase of Hydroxynaphthol blue?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.
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