Description

Acetic Acid, Sodium Salt, Monohydrate is a high-purity, crystalline solid widely used as a versatile buffering and neutralizing agent. Its consistent quality and reliable performance make it essential for processes requiring precise pH control and mild alkalinity. This compound is particularly valuable to the pharmaceutical, food additive, and industrial chemical synthesis sectors.

Application

• Pharmaceutical Buffer: Used in the formulation of injectables, ophthalmic solutions, and oral medications to maintain stable pH.
• Food Additive (Acidity Regulator): Employed as a preservative and pH control agent in various processed food products.
• Chemical Synthesis: Serves as a mild base or catalyst in organic synthesis and as a precursor for other acetate salts.
• Laboratory Reagent: Used in analytical chemistry and molecular biology as a buffer component (e.g., in acetate buffer solutions).
• Industrial Processes: Acts as a neutralizing agent in wastewater treatment and in textile dyeing processes.
• Personal Care: Incorporated into cosmetic and personal care formulations as a pH adjuster.

Basic Information

Product Name	Acetic Acid, Sodium Salt, Monohydrate
CAS No.	31304-44-6
Molecular Formula	C2H3NaO2 · H2O
Molecular Weight	82.03 g/mol (Anhydrous basis) / 100.05 g/mol (Monohydrate)
Synonyms	Sodium Acetate Trihydrate (common commercial form); Sodium Acetate Hydrate; Acetic Acid Sodium Salt Monohydrate; Natriumacetat Monohydrat; Sodium Ethanoate Monohydrate; SOAC; Hot Ice (for trihydrate phase change material); Buffer Solution, Sodium Acetate
EINECS	204-823-8 (for Sodium Acetate)

Quality Control

Our Acetic Acid, Sodium Salt, Monohydrate is manufactured under a strict quality management system. Each batch is tested to ensure it meets specifications for identity, purity, and heavy metal content, referencing standards such as USP, FCC, or BP where applicable. A comprehensive Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (on dried basis)	99.0% - 101.0%
pH (5% solution)	7.5 - 9.0
Loss on Drying	13.0% - 15.0%
Heavy Metals (as Pb)	≤ 10 ppm
Insoluble Matter	≤ 0.005%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.