Biological Buer 生物緩衝劑 PIPES 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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