Product Details
CasNo： 1185-53-1
MF： C4H12ClNO3
Appearance： White crystal
Delivery Time： 15 days
Packing： 25kg/bag
Purity： 99%
- Basic Information
- CAS No.：1185 - 53 - 1
- Molecular Formula：C₄H₁₁NO₃·HCl
- Linear Molecular Formula：NH₂C(CH₂OH)₃·HCl
- Molecular Weight：157.60
- English Name：Tri(hydroxymethyl)aminomethane hydrochloride
- English Aliases：Tris(hydroxymethyl)aminoethane hydrochloride, etc.
- Purity：Usually ≥99.0%, and the ultra - pure grade can be ≥99.5%.
- Physical and Chemical Properties
- Appearance：White crystalline powder or acicular crystals.
- Melting Point：149 - 152℃
- Boiling Point：219 - 220℃
- Density：1.28 g/cm³ at 20.2℃
- Solubility：It is highly soluble in water, slightly soluble in methanol, and hardly soluble in ethanol. The solubility in water is about 561g/L at 25℃.
- Acidity Coefficient (pKa)：8.1
- pH Value：The pH of a 0.1M aqueous solution is 4.2 - 4.9 at 25℃.
- Applications
- It is widely used as a solvent for nucleic acids and proteins, and is one of the main components of protein electrophoresis buffer solutions. Together with glycine, it constitutes a buffer system to stabilize the pH during the electrophoresis process.
- It is used for protein crystal growth under different pH conditions.
- Its low - ionic - strength characteristic can be used for the formation of intermediate filaments of lamin in Caenorhabditis elegans.
- It is also an intermediate for the preparation of surfactants, vulcanization accelerators, and some drugs, and can be used as a titration standard.
- Storage Method：Seal and store in a cool, dry place. It can be transported and stored at room temperature, and the shelf - life is usually 2 years or more, subject to the product instruction manual.
