Molekula
Polyvinylalkohol (Molekulargewicht 30.000–70.000)
Polyvinyl alcohol mw. 30k-70k
ISO 9001:2015 & ISO 14001:2015 zertifiziert · Lieferant für Laboratorien und Industrie seit 2000 · Analysezertifikat (Certificate of Analysis, CoA) für jede Charge
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a binder, thickener, and film-forming agent in adhesives, textiles, paper coatings, and pharmaceuticals. It is also employed in detergent formulations and as a protective colloid in emulsion polymerization. This PVA has a molecular weight range of 30,000–70,000 g/mol, CAS number 9002-89-5, and the molecular formula (C₂H₄O)ₙ. It is stored at ambient conditions and carries a signal word of *Warning*. Molekula supplies Polyvinyl alcohol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a binder, thickener, and film-forming agent in adhesives, textiles, paper coatings, and pharmaceuticals. It is also employed in detergent formulations and as a protective colloid in emulsion polymerization. This PVA has a molecular weight range of 30,000–70,000 g/mol, CAS number 9002-89-5, and the molecular formula (C₂H₄O)ₙ. It is stored at ambient conditions and carries a signal word of *Warning*. Molekula supplies Polyvinyl alcohol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | White solid |
| Ash | ≤0.5% |
| Viscosity | 20.0-26.0 mpas |
| Identification | Conforms to reference |
| pH | 5 -7 |
| Purity | ≥91.5% |
| Volatile Matter | ≤5.0% |
| Hydrolysis | 86.0% - 90.0% |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Lagertemperatur | Ambient |
| Flashpunkt | 79 C |
| Säuregehalt | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 90037941 |
| CAS-Nummer | 9002-89-5 |
| Molekülformel | (C2H4O)n |
| Molekulargewicht | 44.0526 |
| SMILES | OC=C |
| REACH-Code | Y113 |
| TSCA aufgeführt | Ja |
| HTS-Code | 3905300000 |
| Zolltarifnummer | 3905300095 |
Sicherheit & GHS
-
Health Hazard
GHS07
Gefahrenhinweise
- H319 Verursacht schwere Augenreizung.
Vorsichtsmaßnahmen
- P260 Staub / Rauch / Gas / Nebel / Dampf / Aerosol nicht einatmen.
- P264 Nach Gebrauch … gründlich waschen.
- P280 Schutzhandschuhe / Schutzkleidung / Augenschutz / Gesichtsschutz tragen.
- P403+233 An einem gut belüfteten Ort aufbewahren. Behälter dicht verschlossen halten.
- P501 Inhalt / Behälter … zuführen.
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in English, French, German, Italian, Spanish.
Zertifikat der Analyse (CoA) nach Charge
Geben Sie eine Chargen- oder Seriennummer ein, um die CoA für diese spezifische Charge abzurufen. Wir können eine erstellen, wenn keine PDF-Datei vorliegt, basierend auf den Spezifikationsdaten.
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
What is polyvinyl alcohol (PVA) with MW 30k–70k commonly used for?
This grade of PVA is widely used in adhesives, paper coatings, textile sizing, and as a water-soluble film former in pharmaceuticals, detergents, and synthetic resins.
What is the chemical formula and molecular weight of the repeating unit for this PVA?
The repeating unit formula is **(C₂H₄O)ₙ**, with a monomer molecular weight of **44.0526 g/mol** (varies by degree of polymerization).
How should this PVA be stored?
Store in a cool, dry place at **ambient temperature**, away from direct sunlight and moisture sources, in tightly sealed containers.
What grades or purity levels of PVA (MW 30k–70k) does Molekula supply?
We supply **technical-grade PVA** (typically 98–99% hydrolyzed) for industrial applications; higher purity grades may be available upon request.
Can Molekula supply this PVA in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 25 kg bags, 500 kg drums) for large-scale industrial customers—contact us for custom quotes.
What documentation comes with an order of this PVA?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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