BIS-TRIS, 250 g
PUFFERAN® ≥99 %
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Bis-(2-hydroxyethyl)imino-tris-(hydroxymethyl)-methane
Empirical formula C8H19NO5
Molar mass (M) 209,24 g/mol
Boiling point (bp) 412,1 °C
Melting point (mp) 104 °C
WGK 1
CAS No. [6976-37-0]
EG-Nr. 230-237-7
Molar mass (M) 209,24 g/mol
Boiling point (bp) 412,1 °C
Melting point (mp) 104 °C
WGK 1
CAS No. [6976-37-0]
EG-Nr. 230-237-7
€223.10/Pack Qty.
excl. VAT. | 250 g per Pack Qty.
Art. No. 9140.2
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Product details
BIS-TRIS PUFFERAN® ≥99 %
Technical Information
pH range | 5.8 to 7.2 |
Buffer reagent | Bis-(2-hydroxyethyl)imino-tris-(hydroxymethyl)-methane |
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Order No. | Pack Qty. | Pack. | Price | Quantity | ||
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9140.1 | 50 g | plastic | €55.80 |
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9140.2 | 250 g | plastic | €223.10 |
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9140.3 | 500 g | plastic | €370.90 |
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9140.8 | 1 kg | plastic | €579.45 |
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Certificates of Analysis
Guarantee analysis
Assay (titr.) | ≥99 % |
Water | ≤1,0 % |
pH value (1 M, H2O) | 9.0-11.0 |
Solubility (1 M in H2O) | clear, soluble |
Iron (Fe) | ≤0,0003 % |
Heavy metals (as Pb) | ≤0,0003 % |
Absorbance | |
340 nm | ≤0,02 |
280 nm | ≤0,04 |