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Key Documents

T5441

Sigma-Aldrich

TAPS sodium salt

BioPerformance Certified, suitable for cell culture, ≥99%

Synonym(s):

N-tris(Hydroxymethyl)methyl-3-aminopropanesulfonic acid sodium-potassium salt, [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid sodium-potassium salt

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About This Item

Empirical Formula (Hill Notation):
C7H16NNaO6S
CAS Number:
Molecular Weight:
265.26
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

grade

BioPerformance Certified
for molecular biology

Assay

≥99%

form

crystalline powder

technique(s)

cell culture | mammalian: suitable

impurities

endotoxin and bioburden, tested
≤1% water

useful pH range

7.7-9.1

pKa (25 °C)

8.4

solubility

water: 0.33 g/mL, clear to slightly hazy, colorless

cation traces

heavy metals (as Pb): ≤5 ppm

application(s)

diagnostic assay manufacturing

foreign activity

DNase, RNase, protease, none detected

SMILES string

[Na+].OCC(CO)(CO)NCCCS([O-])(=O)=O

InChI

1S/C7H17NO6S.Na/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14;/h8-11H,1-6H2,(H,12,13,14);/q;+1/p-1

InChI key

FEGYIWVHCSRXCG-UHFFFAOYSA-M

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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)

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