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TRIS, 1 kg

PUFFERAN® ≥99,9 %, p.a.
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Tris-(hydroxymethyl)-amino methane
Empirical formula C4H11NO3
Molar mass (M) 121,14 g/mol
Density (D) 1,32 g/cm³
Boiling point (bp) 288 °C
Melting point (mp) 169 °C
WGK 1
CAS No. 77-86-1
EG-Nr. 201-064-4

For sensitive assays in molecular biology and cytology.

Purest quality for extremely high demands, with in-depth trace element analysis. Extremely low heavy metal content and low UV-absorption.
Product details

€153.20/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 4855.2

In stock
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from 6 Pack Qty. €145.54/Pack Qty.
from 24 Pack Qty. €137.88/Pack Qty.

Product details



TRIS PUFFERAN® ≥99,9 %, p.a.

Purest quality for extremely high demands, with in-depth trace element analysis. Extremely low heavy metal content and low UV-absorption.



Technical Information
pH range 7.5 to 9.0 
Buffer reagent Tris(hydroxymethyl)-aminomethane 
TRIS
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  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
4855.1 500 g plastic

€81.20

4855.2 1 kg plastic

€153.20

4855.3 5 kg plastic

€596.65

4855.4 10 kg plastic

€1,149.20

4855.5 2.5 kg plastic

€317.15

4855.6 250 g plastic

€47.85

4855.7 25 kg plastic

€2,660.65

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  1. Subtotal:  0.00

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Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Assay (dry substance)≥99,9 %
In H2O insoluble matter≤0,005 %
pH-value (5 % solution)10,0-11,5
Melting point168-172 °C
Water≤0,5 %
Sulphated ash≤0,1 %
Sulphate (SO4)≤0,001 %
Arsenic (As)≤0,0001 %
Lead (Pb)≤0,00005 %
Cadmium (Cd)≤0,00005 %
Iron (Fe)≤0,00005 %
Copper (Cu)≤0,00005 %
Zinc (Zn)≤0,00005 %
Absorbance
260 nm≤0,03
280 nm≤0,02
430 nm≤0,004