Key Documents

TAPS

Name: TAPS
Brand: SIGMA

BioXtra, ≥99.5% (titration)

Synonym(s):

N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid

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About This Item

Empirical Formula (Hill Notation):

C₇H₁₇NO₆S

CAS Number:

29915-38-6

Molecular Weight:

243.28

UNSPSC Code:

12161700

NACRES:

NA.25

PubChem Substance ID:

24900596

EC Number:

249-954-1

Beilstein/REAXYS Number:

2452420

MDL number:

MFCD00007538

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Properties

product line

BioXtra

Quality Segment

400

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

Description

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This Item	T5130	E1894	B7535
Sigma-Aldrich T9659 TAPS	Sigma-Aldrich T5130 TAPS	Sigma-Aldrich E1894 EPPS	Sigma-Aldrich B7535 BIS-TRIS
description BioXtra, ≥99.5% (titration)	description ≥99.5% (titration)	description BioXtra, ≥99.5% (titration)	description BioXtra, ≥98.0% (titration)
assay ≥99.5% (titration)	assay ≥99.5% (titration)	assay ≥99.5% (titration)	assay ≥98.0% (titration)
Quality Level 400	Quality Level 400	Quality Level 400	Quality Level 400
product line BioXtra	product line -	product line BioXtra	product line BioXtra
form powder	form crystalline powder	form powder	form powder
application(s) diagnostic assay manufacturing	application(s) diagnostic assay manufacturing	application(s) diagnostic assay manufacturing	application(s) diagnostic assay manufacturing
solubility H₂O: 1 M, clear, colorless	solubility water: 0.5 g/mL, clear, colorless	solubility H₂O: 1 M at 20 °C, clear, colorless	solubility H₂O: 1 M, clear, colorless

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Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

>230.0 °F - closed cup

Flash Point (°C)

> 110 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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