Description

2-(Hydroxymethyl)Butane-1,3-Diol, Sodium Salt is a versatile organic sodium salt derivative of a polyhydric alcohol, valued for its unique combination of hydroxyl functionality and ionic character. This compound serves as a crucial intermediate and functional additive in advanced chemical synthesis and material science. It is particularly sought after by manufacturers in the pharmaceutical, personal care, and specialty polymer industries for its role as a humectant, cross-linking agent, or building block for more complex molecules.

Application

• Pharmaceutical Synthesis: Used as a key intermediate or excipient in the production of active pharmaceutical ingredients (APIs), particularly where water solubility and controlled release are required.
• Personal Care & Cosmetics: Functions as an effective humectant and moisturizing agent in creams, lotions, and serums, helping to retain skin hydration.
• Polymer & Resin Production: Acts as a cross-linking agent or chain extender in the synthesis of specialty polyurethanes, polyesters, and epoxy resins, enhancing material properties.
• Chemical Intermediate: Serves as a versatile building block for further organic synthesis, enabling the creation of more complex, functionalized chemical entities.
• Adhesive & Sealant Formulations: Incorporated to modify rheology and improve the adhesive properties and moisture resistance of industrial adhesives.

Basic Information

Product Name	2-(Hydroxymethyl)Butane-1,3-Diol, Sodium Salt
CAS No.	68683-36-3
Molecular Formula	C5H11NaO4
Molecular Weight	158.13 g/mol
Synonyms	Sodium 2-(Hydroxymethyl)-1,3-butanediolate; Sodium 1,3-Dihydroxy-2-(hydroxymethyl)butane-2-carboxylate (incorrect but common alias); 1,3-Butanediol, 2-(hydroxymethyl)-, monosodium salt; Tris(hydroxymethyl)propanoic acid, sodium salt (related structure); THPA Sodium Salt; Sodium Trimethylolpropionate; Pentane-1,2,3,5-tetrol, sodium derivative
EINECS	Contact for details

Quality Control

Our 2-(Hydroxymethyl)Butane-1,3-Diol, Sodium Salt is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results for assay, impurity profile, and other critical parameters. Specifications can be aligned with cGMP and other relevant pharmaceutical or industrial standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). The container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can lead to caking or degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	7.0 - 9.0

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