Molekula
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Polyvinyl alcohol
مؤهل وفق ISO 9001:2015 و ISO 14001:2015 · تقديم خدمات للمختبرات والصناعة منذ عام 2000 · شهادة التحليل مع كل دفعة
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a binder, thickener, emulsifier, and film-forming agent in adhesives, textiles, paper coatings, and pharmaceuticals. It is also employed in detergents, cosmetics, and as a protective colloid in various industrial processes. This versatile polymer is non-toxic, biodegradable, and offers excellent film-forming properties. Polyvinyl alcohol has a CAS number of 9002-89-5 and the molecular formula (C2H4O)n with a repeating unit molecular weight of 44.0526 g/mol. It is typically stored at ambient conditions and carries a signal word of "Warning" per GHS classification. Molekula supplies Polyvinyl alcohol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer widely used as a binder, thickener, emulsifier, and film-forming agent in adhesives, textiles, paper coatings, and pharmaceuticals. It is also employed in detergents, cosmetics, and as a protective colloid in various industrial processes. This versatile polymer is non-toxic, biodegradable, and offers excellent film-forming properties. Polyvinyl alcohol has a CAS number of 9002-89-5 and the molecular formula (C2H4O)n with a repeating unit molecular weight of 44.0526 g/mol. It is typically stored at ambient conditions and carries a signal word of "Warning" per GHS classification. Molekula supplies Polyvinyl alcohol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
الأسعار ومقاسات التعبئة
المواصفات
| Property | Value |
|---|---|
| Appearance | white or light yellow powder or particle |
| Ash | 0.4 |
| Degree of Hydrolysis | 87-89 |
| Sodium acetate | ≤1 |
| Volatile Matter | ≤5 |
| Viscosity(4% in H2O, 20°C) | ≤20.5 - ≥24.5mPa-S |
التخزين والتعامل
| Property | Value |
|---|---|
| درجة حرارة التخزين | Ambient |
| نقطة الاشتعال | 79 C |
| الحموضة | Neutral |
التعرف
| Property | Value |
|---|---|
| SKU | 90005002 |
| رقم CAS | 9002-89-5 |
| الصيغة الجزيئية | (C2H4O)n |
| الوزن الجزيئي | 44.0526 |
| SMILES | OC=C |
| رمز REACH | Y113 |
| مُدرَج وفق TSCA | نعم |
| رقم HTS | 3905300000 |
| رقم التعريف الجمركي | 3905300095 |
السلامة ونظام التصنيف والتحذير العالمي
-
Health Hazard
GHS07
بيانات الخطر
- H319 يسبب تهيجاً شديداً للعين
إقرارات احترازية
- P260 تجنب استنشاق الغبار / الدخان / الغاز / الضباب / الأبخرة / الرذاذ
- P264 تغسل ... جيداً بعد المناولة
- P280 توضع قفازات للحماية / ملابس للحماية / وقاء للعينين / للوجه
- P403+233 احفظ في مكان جيد التهوية. احتفظ بالحاوية مغلقة بإحكام
- P501 تخلص من المحتويات / الوعاء في ...
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ English, French, German, Italian, Spanish.
شهادة التحليل (CoA) حسب الدفعة
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مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
What is polyvinyl alcohol (PVA) commonly used for?
Polyvinyl alcohol is widely used as a water-soluble adhesive, a thickener in coatings, a film-forming agent in textiles, and a detackifier in paper manufacturing.
What is the chemical formula and molecular weight of polyvinyl alcohol?
The chemical formula is **(C₂H₄O)ₙ**, and the repeating unit molecular weight is **44.0526 g/mol** (varies with degree of polymerization).
How should polyvinyl alcohol be stored?
Store PVA in a cool, dry place at **ambient temperature**, away from direct sunlight and moisture to prevent degradation.
What grades of polyvinyl alcohol does Molekula supply?
Molekula supplies **industrial and technical grades** of PVA, including variations in hydrolysis degree (86-99%) and viscosity for specific applications.
Can Molekula supply polyvinyl alcohol in bulk quantities?
Yes, we offer **bulk quantities** of PVA, with flexible packaging options (drums, bags, or custom solutions) for large-scale industrial needs.
What documentation comes with a PVA order from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability and compliance.
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