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Merck
CN

V900447

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
EC Number:
269-993-8
UNSPSC Code:
12161700
Beilstein/REAXYS Number:
2113949

Key Documents

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InChI key

RZQXOGQSPBYUKH-UHFFFAOYSA-N

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)

SMILES string

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

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

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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

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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(Un)suitability of the use of pH buffers in biological, biochemical and environmental studies and their interaction with metal ions - a review.
Ferreira C.M.H. et al.
Royal Society of Chemistry Advances, 5, 30989-31003 (2015)
(Un)suitability of the use of pH buffers in biological, biochemical and environmental studies and their interaction with metal ions ? a review.
Ferreira, C.M.H., et al.
Royal Society of Chemistry Advances, 5, 30989-31003 (2015)

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