MilliporeSigma
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RDD013

Sigma-Aldrich

BIS-TRIS

anhydrous, free-flowing, Redi-Dri, ≥98.0%

Synonym(s):
2,2-Bis(hydroxymethyl)-2,2′,2″-nitrilotriethanol, Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane, 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol
Empirical Formula (Hill Notation):
C8H19NO5
CAS Number:
Molecular Weight:
209.24
Beilstein:
2205275
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

grade

anhydrous

product line

Redi-Dri

assay

≥98.0%

form

crystalline powder

quality

free-flowing

impurities

≤1.0% water (Karl Fischer)

pH

9.0-10.1 (20-25 °C, 1 M in water)

useful pH range

5.8-7.2

pKa (25 °C)

6.5

solubility

water: 500 mg/mL, clear, colorless to faint yellow or tan

cation traces

heavy metals (as Pb): ≤5 ppm

application(s)

diagnostic assay manufacturing

SMILES string

OCCN(CCO)C(CO)(CO)CO

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

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Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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