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391335

BIS-TRIS

ULTROL® Grade, ≥99% dry basis (titration), suitable where a calcium phosphate-DNA complex formation is desirable

Synonym(s):

BIS-Tris, ULTROL® Grade, [ bis(2-Hydroxyethyl)imino]- tris(hydroxymethyl)methane, [bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane

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About This Item

Empirical Formula (Hill Notation):
C8H19NO5
CAS Number:
6976-37-0
Molecular Weight:
209.24
MDL number:
MFCD00002853
UNSPSC Code:
12161700
NACRES:
NA.25
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Quality Level

100

assay

≥99% dry basis (titration)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

pKa (20 °C)

6.5

solubility

water: soluble

cation traces

heavy metals: <3 ppm

shipped in

ambient

storage temp.

15-25°C

SMILES string

N(C(CO)(CO)CO)(CCO)CCO

InChI

1S/C8H19NO5/c10-3-1-9(2-4-11)8(5-12,6-13)7-14/h10-14H,1-7H2

InChI key

OWMVSZAMULFTJU-UHFFFAOYSA-N

General description

A zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature. Useful in the pH 5.8-7.3 range. Has a pKa of 6.50 at 25°C. Suitable for fractionation of hemoglobin.
Absorbance (100 mM, H2O, 280 nm):≤0.04.
An inert, zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature (absorbance: <0.04 at 280 nm, 100 mM, H2O). Suitable for fractionation of hemoglobin. Has a pKa of 6.5 at 25°C.

Other Notes

Nealon, D.A., et al. 1980. Clin Chem.26, 1516.
Morin, L.G. 1977. Clin. Chem.23, 1569.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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