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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 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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