Description

Propanoic Acid, 2-Hydroxy-2-Methyl-, Monosodium Salt is the monosodium salt of 2-hydroxy-2-methylpropanoic acid, a key organic salt with versatile functionality. This compound is valued for its role as a buffering agent, chelator, and intermediate in various high-value chemical syntheses. It is essential for manufacturers in the pharmaceutical, personal care, and specialty chemical industries seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Synthesis: Used as a buffering agent and intermediate in the production of active pharmaceutical ingredients (APIs).
• Personal Care & Cosmetics: Functions as a pH adjuster and stabilizer in formulations such as creams, lotions, and serums.
• Industrial Chelation: Acts as a metal ion chelator in water treatment processes and specialty cleaning formulations.
• Chemical Intermediate: Serves as a crucial building block for the synthesis of more complex organic compounds, including polymers and specialty esters.
• Laboratory Reagent: Employed in biochemical and analytical research as a standard or buffer component.
• Food Additive (where approved): Can be utilized as an acidity regulator or preservative in specific food-grade applications, subject to regional regulations.

Basic Information

Product Name	Propanoic Acid, 2-Hydroxy-2-Methyl-, Monosodium Salt
CAS No.	993-48-6
Molecular Formula	C4H7NaO3
Molecular Weight	126.09 g/mol
Synonyms	2-Hydroxy-2-methylpropanoic acid monosodium salt; Sodium 2-hydroxyisobutyrate; Sodium 2-hydroxy-2-methylpropionate; 2-Hydroxyisobutyric acid sodium salt; Sodium HMB; HMB-Na; Monosodium 2-hydroxy-2-methylpropanoate; NSC 403697
EINECS	213-599-4

Quality Control

Our Propanoic Acid, 2-Hydroxy-2-Methyl-, Monosodium Salt is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting these results are available for every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
pH (5% solution)	7.0 - 9.0
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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