Sodium Acetate Trihydrate

Chemical Name: Sodium Acetate Trihydrate
Chemical Formula: C₂H₃NaO₂·3H₂O
Molecular Weight: 136.08 g/mol
CAS: 6131-90-4
Appearance: Colorless transparent crystals or white crystalline powder
Odor: Odorless or with a faint acetic acid smell
Taste: Slightly salty or vinegary
Density: 1.45 g/cm³
Melting Point: 58°C (loses water of crystallization)
pH: 7.5-9.0 (1 mol/L aqueous solution) ; 0.1M solution has pH of 8.9
Hygroscopicity: Can be efflorescent (loses water) in warm, dry air 
Properties & Applications & PackagesInquiry
Technical Datas

Items

Standards

GB 30603—2014

Standards

FCC VII

Content(On Dry Basis),w/% ≥

98.5

99.0-101.0

Acidity and Alkalinity

Pass Test

-

Lead (as Pb),mg/kg 

2

2

Alkalinity, w/% ≤

-

0.05

Loss on Drying, w/%

36.0-42.0

36.0-41.0

Potassium Compound

Pass Test

Pass Test


Applications
1. Primary Functions
-Buffering Agent: Maintains stable pH in food formulations, preventing undesirable color and texture changes
-Acidity Regulator: Adjusts and controls pH levels in various products
-Preservative: Inhibits microbial growth (bacteria and mold), extending shelf life
-Flavor Enhancer: Imparts a mild salty or vinegary taste to snacks and sauces
2. Specific Applications
-Baked Goods: Used in bread and cakes to improve texture and dough quality, and control stickiness caused by fungi
-Snacks & Chips: Added to salt & vinegar flavored potato chips and other snacks
-Condiments & Sauces: Used in salad dressings, sauces, and pickled foods to maintain flavor and prevent oxidation
-Meat Products: Functions as a preservative in prepacked meats
-Dairy Products: Helps inhibit mold growth in cheese and other dairy items
-Processed Foods: Applied in canned vegetables, baby foods for pH adjustment, and pickled products
3. Industrial Uses
-Textile Industry: As a mordant in dyeing processes
-Chemical Synthesis: Used in esterification reactions and organic synthesis
-Wastewater Treatment: Provides biodegradable carbon source for denitrifying bacteria
-Phase Change Material: Utilized in reusable heating packs due to its heat release during crystallization
Storage Conditions
-Packaging: Typically packed in 25kg bags with polyethylene inner liner and woven outer bag
-Environment: Store in sealed containers at 0-40°C in dry, ventilated warehouses
-Shelf Life: 24 months when properly stored
-Precautions: Keep away from heat, moisture, and toxic substances; avoid exposure to direct sunlight 


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