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93337

Sigma-Aldrich

Trizma® acetate

BioUltra, ≥99.0% (NT)

Synonym(s):

TRIS acetate salt, Tris(hydroxymethyl)aminomethane acetate salt

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About This Item

Linear Formula:
NH2C(CH2OH)3 · CH3COOH
CAS Number:
6850-28-8
Molecular Weight:
181.19
Beilstein:
3702918
EC Number:
229-939-6
MDL number:
MFCD00038951
UNSPSC Code:
12161700
PubChem Substance ID:
57653535
NACRES:
NA.25

product line

BioUltra

Quality Level

300

Assay

≥99.0% (NT)

form

crystalline powder

impurities

insoluble matter, passes filter test

ign. residue

≤0.2%

loss

≤0.2% loss on drying, 20 °C (HV)

pH

6.0-7.0 (25 °C, 0.5 M in H2O)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in H2O

UV absorption

λ: 260 nm Amax: 0.07
λ: 280 nm Amax: 0.05

SMILES string

CC(O)=O.NC(CO)(CO)CO

InChI

1S/C4H11NO3.C2H4O2/c5-4(1-6,2-7)3-8;1-2(3)4/h6-8H,1-3,5H2;1H3,(H,3,4)

InChI key

PIEPQKCYPFFYMG-UHFFFAOYSA-N

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Application

Trizma is used in the formulation of buffer solutions in the pH range between 7.5 and 8.5. Tris buffer solutions are widely used in cell and molecular biology for processes such as protein and nucleic acid extraction and purification. Trizma based buffers are also in column chromatography and in gel electrophoresis. Trizma acetate is used to make Tris acetic acid buffers that are used as diluents for various assays and as an electrophoresis running buffers.

Other Notes

Recommended buffer for maximum sensitivity of ATP assays with firefly luciferase; Assay of glutamate binding

Legal Information

Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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