PIPES 生物緩衝劑
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Catalog No.Bio-ES007
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CAS No. | 5625-37-6 ( CAS No. is listed on the TSCA inventory ) |
EC No. | 227-057-6 |
Synonyms | Piperazine-N, N-bis ( 2-ethanesulfonic acid )； Piperazine-I, 4-bis-[ 2-ethanesulfonic acid ]； I, 4-piperazine-diethane sulfonic acid |
Chinese Name | 呱-N, N-二 ( 2-乙磺酸 ) |
Molecular Structure | 呱-I, 4-二乙磺酸 |
Molecular Formula | C8H18N2O6S2 |
Molecular Weight | 302.37 |
Meleing point | > 300℃ |
Water solubility | Insoluble in water. % Volatile by Volume at 21℃：0 Solubility ( 0.1M in 0.2M NaOH ) clear and complete |
pKa ( 25℃ ) | 6.8 ± 0.2 |
Appearance | White powder |
Purity Assay | ≥ 99.0% ( Titration ) |
Moisture | ≤ 1.0% |
UV A260 / A280nm | UV ( 0.5M in 1.0M NaOH ) A260nm ≤ 0.20 A280 ≤ 0.20 |
Storages | Room Temperature |
Description | 1. PIPES is used in Inoue transformation buffer solution. 2. PIPES is a hydrogen-ion organic-based buffer, used in the preparation of a variety of mammalian tissues for EM. 3. It is one of the Good’s buffers, It has a negligible capacity to bind divalent metal ions. |
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Good's Buffer
Useful pH Ranges of Selected Biological Buffers (25℃, 0.1M)
Sodium and Potassium salt buffers are also available
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Our biological buffers are used widely in life science and pharmaceuticals including cell biology, molecular biology and industrial biopharmaceutical applications. The products are non toxic to cell cultures, and have pKa values at or near physiological pH. All of our buffer are at least the ultra pure grade, which have high assay, solubility and low heavy metals, and free of DNase, RNase, and Protease.
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