Description

Ethanol, 2-[Bis(Hydroxymethyl)Amino]- (9Ci) is a versatile amino alcohol compound, also known as Bis-Tris, with the CAS number 73391-91-0. This chemical is valued for its excellent buffering capacity in the physiological pH range and its ability to form stable complexes with metal ions. It is a critical component for researchers and manufacturers in the life sciences, pharmaceutical development, and specialty chemical synthesis sectors who require precise pH control and biocompatibility.

Application

• Biochemical & Molecular Biology Buffers: A primary component in electrophoresis buffers (e.g., Bis-Tris gels), cell culture media, and protein purification systems due to its minimal interference with biological processes.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery systems where its amino and hydroxyl functionalities are utilized.
• Chelating Agent & Metal Ion Buffer: Employed in analytical chemistry and industrial processes to sequester and control the activity of metal ions like copper and nickel.
• Polymer & Resin Production: Serves as a monomer or cross-linking agent in the manufacture of specialty polymers, coatings, and epoxy resins.
• Cosmetic & Personal Care Formulations: Acts as a pH adjuster and stabilizer in high-value skincare and haircare products.
• Electroplating & Surface Treatment: Used in plating baths to improve the quality and uniformity of metal deposits.

Basic Information

Product Name	Ethanol, 2-[Bis(Hydroxymethyl)Amino]- (9Ci)
CAS No.	73391-91-0
Molecular Formula	C6H15NO4
Molecular Weight	165.19 g/mol
Synonyms	Bis-Tris; 2-[Bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)-1,3-propanediol; Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane; BIS-TRIS; BIS TRIS; 2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol; 1,3-Propanediol, 2,2-bis(hydroxymethyl)-2,2',2''-nitrilotris-
EINECS	Contact for details

Quality Control

Our Ethanol, 2-[Bis(Hydroxymethyl)Amino]- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture, which can affect quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	162 - 166 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1 %
pH (1% Solution)	9.5 - 10.5

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