Tris(hydroxymethyl)aminomethane
Standard buffer substance, ≥99.9% (titration)
Reagent
Code: #97709
Alias
Trishydroxymethylaminomethane ;
CAS Number
77-86-1
Properties
susceptible to moisture
science Other reagents with same CAS 77-86-1
blur_circular Chemical Specifications
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Molecular Information
Weight
121.14 g/mol
Formula
C₄H₁₁NO₃
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Registry Numbers
EC Number
201-064-4
MDL Number
MFCD00004679
thermostat
Physical Properties
Melting Point
167-172 °C(lit.)
Boiling Point
219-220 °C10 mm Hg(lit.)
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Storage & Handling
Density
1.353 g/cm3
Storage
room temperature
description Product Description
Widely used as a buffering agent in biological and biochemical research to maintain stable pH levels in various solutions, particularly in electrophoresis and cell culture media. It is also employed in the preparation of vaccines and as a component in diagnostic kits. Additionally, it serves as a neutralizing agent in the formulation of pharmaceuticals and cosmetics. Its ability to stabilize pH makes it valuable in enzyme studies, protein purification, and nucleic acid research.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Heavy Metals (as Lead) | 0-2 ppm |
| Iron (Fe) | 0-1 ppm |
| Melting point | 168-173 |
| UV Absorbance (290 nm) 40 WW | 0-0.08 |
| Water (Karl Fischer) | 0-0.5% |
| Appearance | White crystalline powder |
| Infrared Spectrum | Conforms to Structure |
| Purity (Titration by H2SO4) | 99.9 |
| Solubility | Colorless clear, 200 g + 300 mL of H2O |
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