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Key Documents

T5395

Sigma-Aldrich

TAPSO sodium salt

Synonym(s):

3-(N-tris[Hydroxymethyl]methylamino)-2-hydroxypropanesulfonic acid

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About This Item

Linear Formula:
C7H16NO7SNa
CAS Number:
Molecular Weight:
281.26
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

assay

≥99% H2SO4 basis (titration)

form

powder or crystals

useful pH range

7.0-8.2

pKa (25 °C)

7.6

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

application(s)

diagnostic assay manufacturing

SMILES string

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

InChI

1S/C7H17NO7S.Na/c9-3-7(4-10,5-11)8-1-6(12)2-16(13,14)15;/h6,8-12H,1-5H2,(H,13,14,15);/q;+1/p-1

InChI key

XRADYQRMWVBZEH-UHFFFAOYSA-M

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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