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RDD013

Sigma-Aldrich

BIS-TRIS

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

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Synonym(s):
2,2-Bis(hydroxymethyl)-2,2′,2″-nitrilotriethanol, 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol, Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane
Empirical Formula (Hill Notation):
C8H19NO5
CAS Number:
Molecular Weight:
209.24
Beilstein/REAXYS Number:
2205275
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

grade

anhydrous

Quality Level

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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Legal Information

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

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Articles

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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