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T9659

Sigma-Aldrich

TAPS

BioXtra, ≥99.5% (titration)

Synonym(s):
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid
Empirical Formula (Hill Notation):
C7H17NO6S
CAS Number:
Molecular Weight:
243.28
Beilstein:
2452420
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

product line

BioXtra

Quality Level

Assay

≥99.5% (titration)

form

powder

impurities

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

useful pH range

7.7-9.1

pKa 

8.4

mp

230-235 °C (dec.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.05 at 260 in H2O at 1 M
≤0.05 at 280 in H2O at 1 M

application(s)

diagnostic assay manufacturing

SMILES string

OCC(CO)(CO)NCCCS(O)(=O)=O

InChI

1S/C7H17NO6S/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14/h8-11H,1-6H2,(H,12,13,14)

InChI key

YNLCVAQJIKOXER-UHFFFAOYSA-N

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Sigma-Aldrich

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PIPES

product line

BioXtra

product line

-

product line

-

product line

BioXtra

assay

≥99.5% (titration)

assay

≥99.5% (titration)

assay

≥99% (titration)

assay

≥99% (titration)

form

powder

form

crystalline powder

form

crystalline powder

form

powder

impurities

≤0.005% Phosphorus (P), ≤0.1% Insoluble matter

impurities

-

impurities

-

impurities

Insoluble matter, passes filter test

mp

230-235 °C (dec.)

mp

230-235 °C (dec.)

mp

-

mp

>300 °C (lit.)

solubility

H2O: 1 M, clear, colorless

solubility

water: 0.5 g/mL, clear, colorless

solubility

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

solubility

1 M NaOH: 0.5 M at 20 °C, clear, colorless

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

> 110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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