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|
Properties of Buffer
|
|
|
Name |
Formula |
CAS Number |
MW |
PH range |
PKa 20C |
PKa 25C |
PKa 37C |
|
Glycine-HCl |
C2H6NO2Cl |
|
|
2.2-3.6 |
|
PK1=2.35; PK2=9.60 |
|
|
Sodium acetate |
|
|
|
3.6-5.6 |
|
4.76 |
|
|
MES, 2-(N-morpholino) ethanesulfonic acid |
C6H13NO4S |
4432-31-9 |
195.24 |
5.5-6.7 |
6.10 |
6.10 |
5.97 |
|
Bis-Tris, Bis(2-hydroxyyethyl)-amino-tris (hydroxymethyl)- methane |
C8H19NO5 |
6976-37-0 |
209.24 |
5.8-7.2 |
|
6.5 |
6.36 |
|
ADA, N-(2-acetamino) iminodiacetic acid |
C6H10N2O5 |
26239-55-4 |
190.15 |
6.0-7.2 |
6.65 |
6.59 |
6.46 |
|
ACES, N-(2-acetamido)-2-aminoethanesulfonic acid |
C4H10N2O4S |
7365-82-4 |
182.2 |
6.1-7.5 |
6.88 |
6.78 |
6.54 |
|
PIPES, Piperzaine-1,4-bis(2-ethanesulfonic acid) |
C8H18N2O6S2 |
5625-37-6 |
302.37 |
6.1-7.5 |
6.8 |
6.76 |
6.66 |
|
MOPSO, 3-(morpholino)-2-hydroxypropanesulfonic acid |
C7H15NO5S |
68399-77-9 |
225.26 |
6.2-7.6 |
|
6.9 |
6.75 |
|
Bis-Tris Propane, 1,3-bis(tris(hydroxymethyl) methylamino) propane |
C11H26N2O6 |
64431-96-5 |
282.34 |
6.3-9.5 |
|
6.8,9.0 |
|
|
BES, N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid |
C6H15NO5S |
10191-18-1 |
213.25 |
6.4-7.8 |
7.17 |
7.09 |
6.9 |
|
MOPS,3-(N-Morpholino)-propanesufonic acid |
C7H15NO4S |
1132-61-2 |
209.3 |
6.5-7.9 |
7.13 |
7.2 |
7.7 |
|
TES, N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid |
C6H15NO6S |
7365-44-8 |
229.25 |
6.8-8.2 |
7.5 |
7.4 |
7.16 |
|
HEPES, N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid |
C8H18N2O4S |
7365-45-9 |
238.31 |
6.8-8.2 |
7.55 |
7.48 |
7.31 |
|
Dipso, 3-[N,N-bis(2-hydroxyethyl)amino]-2-hydroxypropanesulfonic acid |
C7H17NO6S |
68399-80-4 |
243.38 |
7.0-8.2 |
|
7.6 |
7.35 |
|
Mobs, 4-(N-morpholino)butanesulfonic acid |
C8H17O4S |
115724-21-5 |
223.3 |
6.9-8.3 |
|
7.6 |
|
|
Tapso, 2-Hydroxy-N-(tris(hydroxymethyl)methyl)-3-aminopropanesulfonic acid |
C7H17NO7S |
68399-81-5 |
259.28 |
7.0-8.2 |
|
7.6 |
7.39 |
|
TRIZMA, [2-hydroxy-1,1-bis(hydroxymethyl)ethyl) amine |
C4H11NO3 |
77-86-1 |
121.13504 |
7.0-9.0 |
8.2 |
8.06 |
7.72 |
|
HEPPSO,N-(2-Hydroxyethyl)piperazine-N'-2- hydroxypropanesulfonic acid
|
C9H20N2O5S |
68399-78-0 |
268.2 |
7.1-8.5 |
|
7.8 |
6.66 |
|
POPSO, 1,4-Piperazinedipropanesulfonic acid |
C10H22N2O8S2 |
68189-43-5
|
362.4 |
7.2-8.5 |
|
7.8 |
7.63 |
|
TEA, triethanolamine |
C6H15NO3 |
102-71-6 |
149.188 |
7.3-8.3 |
|
7.8 |
|
|
EPPS,[2-hydroxyethyl]piperazine-n’-[3-propancesulfonic acid] |
C9H20N2O4S |
16052-06-5 |
252.33 |
7.3-8.7 |
|
8.0 |
|
|
TRICINE, N-(Tri(hydroxymethyl)methyl)glycine |
C6H13NO5 |
5704-04-1 |
179.17 |
7.4-8.8 |
8.16 |
8.05 |
7.80 |
|
GLYCYLGLYCINE |
C4H8N2O3 |
556-50-3 |
132.12 |
7.5-8.9 |
|
8.2 |
|
|
BICINE, Diethylolglycine |
(HOCH2CH2)2NCH2COOH |
150-25-4 |
163.17 |
7.6-9.0 |
8.35 |
8.26 |
8.04 |
|
HEPBS, N-(2-Hydroxyethyl)piperazine-N'(4-butanesulfonic acid |
C10H22N2O4S |
161308-36-7 |
266.4 |
7.6-9.0 |
|
8.3 |
|
|
TAPS, N-Tris(hydroxymethyl)methyl-3-aminopropanesulfonic Acid
|
C7H19NO6S |
29915-38-6 |
245.29 |
7.7-9.1 |
8.31 |
8.4 |
8.90 |
|
AMPD, 2-Amino-2-methyl-1,3-propandiol
|
(HOCH2)2C(NH2)CH3 |
115-69-5 |
105.14 |
7.8-9.7 |
|
8.8 |
|
|
TABS, N-tris(hydroxymethyl)-4-aminobutanesulfonic acid
|
C8H19NO6S |
54960-65-5 |
257.30 |
8.2-9.6 |
|
8.9 |
|
|
AMPSO, N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid |
C7H17NO5S |
68399-79-1 |
227.28 |
8.3-9.7 |
|
9 |
9.1 |
|
CHES, 2-(Cyclohexylamino)ethanesulfonic acid |
C8H17NO3S |
103-47-9 |
207.29 |
8.6-10 |
|
9.3 |
9.8 |
|
CAPSO, 3-(Cyclohexylamino)-2-hydroxy-1-propanesulfonic acid |
C9H19NO4S |
73463-39-5 |
237.32 |
8.9-10.3 |
|
9.6 |
9.43 |
|
AMP, β-Aminoisobutyl alcohol hydrochloride |
NH2C(CH3)2CH2OHHCl |
3207-12-3 |
125.6 |
9.0-10.5 |
|
9.7 |
|
|
CAPS, 3-(Cyclohexylamino)-1-propanesulfonic acid |
C6H11NH(CH2)3SO3H |
1135-40-6 |
221.32 |
9.7-11.1 |
10.24 |
10.4 |
10.78 |
|
CABS, 4-(Cyclohexylamino)-1-butanesulfonic acid |
C10H21NO3S
|
161308-34-5 |
235.34 |
10.0-11.4 |
|
10.7 |
|
1. Sigma-aldrich,
2. D.M. Porterfield, E.s.McLamore, M.K. Banks; Sensors and Acuators B 136: chemical,
2009, p383-387