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V900447

Sigma-Aldrich

TAPSO

Vetec™, reagent grade, ≥99%

Synonym(s):

2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C7H17NO7S
CAS Number:
68399-81-5
Molecular Weight:
259.28
Beilstein:
2113949
EC Number:
269-993-8
UNSPSC Code:
12161700

grade

reagent grade

product line

Vetec™

Assay

≥99%

form

powder

useful pH range

7.0-8.2

pKa (25 °C)

7.6

solubility

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

SMILES string

OCC(CO)(CO)NCC(O)CS(O)(=O)=O

InChI

1S/C7H17NO7S/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)

InChI key

RZQXOGQSPBYUKH-UHFFFAOYSA-N

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Caution

According to Ferreira, et al., TAPSO can have a strong interaction with iron in solution. Based on this citation, it is recommended to use plastic-coated or PTFE-coated utensils when working with this chemical.

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Precautionary Statements

P261 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF1162V
WXBD8388V
WXBD6846V
WXBD4259V
WXBD3681V

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