Description

Sodium Trimethoxyborohydride is a versatile and powerful reducing agent, offering a selective and mild alternative to traditional hydride reagents. Its primary value lies in its ability to perform precise reductions in complex organic syntheses, often with superior solubility and handling characteristics compared to sodium borohydride. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries, where controlled functional group transformation is critical.

Application

• Pharmaceutical Intermediate Synthesis: Selective reduction of aldehydes, ketones, and imines in the production of active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Used in conjunction with chiral catalysts for the enantioselective reduction of prochiral ketones.
• Polymer Chemistry: Modification of polymer end-groups and as a reducing agent in specialty polymer synthesis.
• Agrochemical Manufacturing: Key reagent in the synthesis of complex herbicide and pesticide molecules.
• Electrolyte Additive: Investigated for use in advanced battery systems to improve stability and performance.
• Laboratory Research: A staple reagent in R&D for method development and exploratory organic synthesis.

Basic Information

Product Name	Sodium Trimethoxyborohydride
CAS No.	16940-17-3
Molecular Formula	C3H10BnaO3
Molecular Weight	127.91 g/mol
Synonyms	Sodium TriMethoxyBorohydride; Sodium Methoxyborohydride; Trimethoxyborohydride Sodium Salt; STMB; NaBH(OCH3)3; Sodium Hydrotris(methoxy)borate; Sodium (Trimethoxy)boranuide
EINECS	Contact for details

Quality Control

Our Sodium Trimethoxyborohydride is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including assay by titration and impurity profiling, to ensure it meets the high-purity standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and other critical parameters is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and moisture-sensitive nature, this product must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C. The container must be kept tightly sealed to prevent exposure to air and moisture, which can lead to decomposition and loss of activity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms
Assay (NaBH(OCH3)3)	≥ 95.0%
Moisture (Karl Fischer)	≤ 1.0%

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