Tris(hydroxymethyl)aminomethane, ACS, 99.8-100.1% (Assay, dried basis)
Tris(hydroxymethyl)aminomethane, ACS, 99.8-100.1% (Assay, dried basis)
Tris(hydroxymethyl)aminomethane, ACS, 99.8-100.1% (Assay, dried basis)
Thermo Scientific Chemicals

Tris(hydroxymethyl)aminomethane, ACS, 99.8-100.1% (Assay, dried basis)

CAS: 77-86-1 | C4H11NO3 | 121.136 g/mol
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Catalog number 031801.30
also known as 031801-30
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250 g
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Price (USD)
56.65
Special offer
Online exclusive
Ends: 30-Jun-2026
66.60
Save 9.95 (15%)
Each
Chemical Identifiers
CAS77-86-1
IUPAC Name2-amino-2-(hydroxymethyl)propane-1,3-diol
Molecular FormulaC4H11NO3
InChI KeyLENZDBCJOHFCAS-UHFFFAOYSA-N
SMILESNC(CO)(CO)CO
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)White
FormCrystals or crystalline powder and/or chunks or solid
Absorbance40% solution in water in 1.00-cm cell @ 290nm Absorbance: ≤0.2: Passes Test
Assay99.8-100.1% (dry basis)
Assay (unspecified)99.8-100.1% (dry basis)
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Tris(hydroxymethyl)aminomethane is used as a buffer in biochemistry and molecular biology laboratories. It is used as a primary standard to standardize acid solutions for chemical analysis. It finds application in cell membranes to increase permeability. As an alternative to sodium bicarbonate, it used in the treatment of metabolic acidosis. It acts as a precursor for the preparation of polymers, oxazolones and oxazolidines.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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