HEPES | Nectagen

HEPES

Description

Useful Range

pKa1	pH 6.80 - 8.20

Note

Can form radicals

Wikipedia Entry

Temperature Effects

pKa vs. Temperature

	0°C	4°C	20°C	25°C	37°C
pKa1	7.85	7.77	7.55	7.48	7.31

d(pKa1)/dT

-0.0140

Ingredient(s) Using This Buffer

Ingredients with this Buffer

1	HEPES (solid)
2	HEPES pH 6.9, 1 M
3	HEPES pH 7.0, 1 M
4	HEPES pH 7.1, 1 M
5	HEPES pH 7.2, 1 M
6	HEPES pH 7.3, 1 M
7	HEPES pH 7.4, 1 M
8	HEPES pH 7.5, 1 M
9	HEPES pH 7.6, 1 M
10	HEPES pH 7.7, 1 M
11	HEPES pH 7.8, 1 M
12	HEPES pH 7.9, 1 M
13	HEPES pH 8.0, 1 M
14	HEPES pH 8.1, 1 M
15	HEPES pH 8.2, 1 M
16	HEPES, 1 M
17	HEPES-KOH pH 6.8, 1 M
18	HEPES-KOH pH 6.9, 1 M
19	HEPES-KOH pH 7.0, 1 M
20	HEPES-KOH pH 7.1, 1 M
21	HEPES-KOH pH 7.2, 1 M
22	HEPES-KOH pH 7.3, 1 M
23	HEPES-KOH pH 7.4, 1 M
24	HEPES-KOH pH 7.5, 1 M
25	HEPES-KOH pH 7.6, 1 M
26	HEPES-KOH pH 7.7, 1 M
27	HEPES-KOH pH 7.8, 1 M
28	HEPES-KOH pH 7.9, 1 M
29	HEPES-KOH pH 8.0, 1 M
30	HEPES-KOH pH 8.1, 1 M
31	HEPES-KOH pH 8.2, 1 M