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T9269

Sigma-Aldrich

TAPSO

≥99% (titration)

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Synonym(s):
2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid
Empirical Formula (Hill Notation):
C7H17NO7S
CAS Number:
Molecular Weight:
259.28
Beilstein/REAXYS Number:
2113949
EC Number:
PubChem Substance ID:
NACRES:
NA.25

assay

≥99% (titration)

form

crystalline powder

useful pH range

7.0-8.2

pKa (25 °C)

7.6

solubility

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

application(s)

diagnostic assay manufacturing

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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1 of 4

This Item
T5130T9659T0647
vibrant-m

T9269

TAPSO

-
vibrant-m

T5130

TAPS

-
vibrant-m

T9659

TAPS

Premium Grade
vibrant-m

T0647

TAPS sodium salt

-
Quality Level

200

Quality Level

400

Quality Level

400

Quality Level

200

form

crystalline powder

form

crystalline powder

form

powder

form

crystalline powder

solubility

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

solubility

water: 0.5 g/mL, clear, colorless

solubility

H2O: 1 M, clear, colorless

solubility

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

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

useful pH range

7.0-8.2

useful pH range

7.7-9.1

useful pH range

7.7-9.1

useful pH range

7.7-9.1

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.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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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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