Sodium Acetate Testing Reagent
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Product Code : SCL-CA-12665
Quick Answer: The Sodium Acetate Testing Reagent is the sodium salt of acetic acid, used under supervision for acetate buffer preparation, acetate-ion and pH studies, crystallisation demonstrations and specified analytical procedures.
Last updated: October 2026
Key Features
- Also called sodium ethanoate
- Anhydrous form CH3COONa, CAS 127-09-3
- Trihydrate form CH3COONa·3H2O, CAS 6131-90-4
- White crystalline powder, weighed with clean, dry tools
- Combined with acetic acid to prepare acetate buffers by approved methods
Technical Specifications
| Specification | Value |
|---|---|
| Chemical name | Sodium acetate |
| Formula, anhydrous | CH3COONa / C2H3NaO2 |
| Formula, trihydrate | CH3COONa·3H2O |
| Molecular weight, anhydrous | About 82.03 g/mol |
| Molecular weight, trihydrate | About 136.08 g/mol |
About This Product
Sodium acetate helps students understand weak-acid and conjugate-base systems, since mixing it with acetic acid gives a buffer. The form on the label, anhydrous or trihydrate, is identified before weighing because the two differ in molecular weight. The anhydrous material is hygroscopic, so the container is kept tightly closed and away from strong acids and strong oxidants.
Frequently Asked Questions
Q1. How is sodium acetate used to make a buffer?
Under an approved method it is combined with acetic acid, giving a weak acid and its conjugate base that together resist changes in pH.
Related: Chemical Analysis, Potassium Hydroxide Flakes Laboratory Supply, Scientific Grade Aluminium Metal.
For a quotation on the Sodium Acetate Testing Reagent, contact School Equipments India.
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