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394111 BIS-Tris Propane, ULTROL® Grade - CAS 64431-96-5 - Calbiochem


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Key Specifications Table

CAS #Empirical Formula


Catalog NumberPackaging Qty/Pack
394111-100GM Glass bottle 100 gm
OverviewA non-zwitterionic buffer that is useful in the pH 6.3-9.5 range. Has pKas of 6.8 (pKa1) and 9.0 (pKa2).
Absorbance (1.0 M, H2O, 260 nm): <0.08.
Catalogue Number394111
Brand Family Calbiochem®
Product Information
CAS number64431-96-5
FormWhite solid
Hill FormulaC₁₁H₂₆N₂O₆
Chemical formulaC₁₁H₂₆N₂O₆
PKA6.8 at 20°C
Quality LevelMQ100
Biological Information
Purity>98% by titration
Physicochemical Information
Heavy metals<1 ppm
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information
Product Usage Statements
Storage and Shipping Information
Ship Code Ambient Temperature Only
Toxicity Standard Handling
Storage +15°C to +30°C
Do not freeze Ok to freeze
Packaging Information
Transport Information
Supplemental Information
Global Trade Item Number
Catalog Number GTIN
394111-100GM 04055977212501


BIS-Tris Propane, ULTROL® Grade - CAS 64431-96-5 - Calbiochem SDS


Safety Data Sheet (SDS) 

BIS-Tris Propane, ULTROL® Grade - CAS 64431-96-5 - Calbiochem Certificates of Analysis

TitleLot Number
Data Sheet

Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

Revision14-July-2008 RFH
DescriptionA non-zwitterionic buffer (Absorbance: <0.08 at 260 nm, 1.0 M, H2O) that is useful near physiological pH (6.3-9.5). Has a pKa of 6.8 at 25°C.
FormWhite solid
CAS number64431-96-5
Chemical formulaC₁₁H₂₆N₂O₆
Purity>98% by titration
SolubilityH₂O (1 M)
Storage +15°C to +30°C
Do Not Freeze Ok to freeze
Toxicity Standard Handling