BioXtra Buffers

BioXtra buffers from Sigma-Aldrich have more stringent testing protocols than most commercially available buffers. Tests may include trace metal analysis and specialized suitability testing, such as hybridoma or mouse embryo.

Product #

Description

Useful pH Range

CAS Number

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A9074 2-Amino-2-methyl-1,3-propanediol BioXtra, pH 10.0-12.0 (20 °C, 0.5 M in H2O), ≥99% 7.8 - 9.7
115-69-5 8.8
A9199 2-Amino-2-methyl-1-propanol BioXtra, ≥95% 9.0 - 10.5
124-68-5 9.7
L6402 L-(+)-Lactic acid BioXtra, ≥98% (titration)   79-33-4  
A7949 ACES BioXtra, ≥99.0% (titration) 6.1 - 7.5
7365-82-4 6.8
A8074 ADA BioXtra, ≥98% (titration) 6.0 - 7.2
26239-55-4 6.6
A7585 AMPSO BioXtra, ≥99% (titration) 8.3 - 9.7
68399-79-1 9
A7330 Ammonium acetate BioXtra, ≥98%   631-61-8  
09833 Ammonium citrate dibasic BioXtra, ≥99.0% (T)   3012-65-5  
A2956 Ammonium tartrate dibasic BioXtra   3164-29-2  
B6420 BES BioXtra, ≥99.0% (titration) 6.4 - 7.8
10191-18-1 7.1
14853 BES BioXtra, for molecular biology, ≥99.5% (T) 6.4 - 7.8
10191-18-1 7.1
B8660 BICINE BioXtra, ≥99% (titration) 7.6 - 9.0
150-25-4 8.3
B9410 BIS-TRIS propane BioXtra, ≥99.0% (titration) 6.3 - 9.5
64431-96-5 6.8
B7535 BIS-TRIS BioXtra, ≥98.0% (titration) 5.8 - 7.2
6976-37-0 6.5
B7660 Boric acid BioXtra, ≥99.5%   10043-35-3  
C6070 CAPS BioXtra, ≥98.0% 9.7 - 11.1
1135-40-6 10.4
C8210 CHES BioXtra, ≥99.0% (titration) 8.6 - 10.0
103-47-9 9.3
C0706 Citric acid monohydrate BioXtra, ≥99.5%   5949-29-1 3.13
D0306 DIPSO BioXtra, pH 4.0-5.5 (20 °C, 0.1 M in H2O), ≥98% (titration) 7.0 - 8.2
68399-80-4 7.6
E1894 EPPS BioXtra, ≥99.5% (titration) 7.3 - 8.7
16052-06-5 8
G8284 Glycolic acid BioXtra, ≥98.0% (titration)   79-14-1  
H8651 HEPES sodium salt BioXtra, ≥99.0% (titration) 6.8 - 8.2
75277-39-3 7.5
H7523 HEPES BioXtra, pH 5.0-6.5 (1 M in H2O), ≥99.5% (titration) 6.8 - 8.2
7365-45-9 7.5
M5287 MES hydrate ≥99.5% (titration), pH 2.5-4.0 (0.5 M in H2O), BioXtra 5.5 - 6.7
1266615-59-1 6.1
M5789 MOPS sodium salt BioXtra, ≥99.5% anhydrous basis (titration) 6.5 - 7.9
71119-22-7 7.2
M5162 MOPS BioXtra, ≥99.5% (titration) 6.5 - 7.9
1132-61-2 7.2
M5914 MOPSO sodium salt BioXtra, pH 10-12 (1 M in H2O), ≥99% (titration) 6.2 - 7.6
79803-73-9 6.9
P8203 PIPES BioXtra, ≥99% (titration) 6.1 - 7.5
5625-37-6 6.8
80635 PIPES BioXtra, for molecular biology, ≥99.5% (T) 6.1 - 7.5
5625-37-6 6.8
S7545 Sodium acetate BioXtra, ≥99.0%   127-09-3 4.76
S6297 Sodium bicarbonate BioXtra, 99.5-100.5%   144-55-8 6.37
C4945 Sodium cacodylate trihydrate BioXtra, ≥98%   6131-99-3  
71497 Sodium citrate monobasic BioXtra, anhydrous, ≥99.5% (T)   18996-35-5  
C3434 Sodium citrate tribasic dihydrate BioXtra, ≥99.0% (titration)   6132-04-3  
71649 Sodium phosphate dibasic dodecahydrate BioXtra, ≥99.0% (T)   10039-32-4  
S7907 Sodium phosphate dibasic BioXtra, ≥99.0%   7558-79-4 2.15
71507 Sodium phosphate monobasic monohydrate BioXtra, for molecular biology, ≥99.5% (T)   10049-21-5  
S8282 Sodium phosphate monobasic BioXtra, ≥99.0%   7558-80-7  
S7778 Sodium phosphate tribasic dodecahydrate BioXtra, ≥98.0% (titration)   10101-89-0  
T9659 TAPS BioXtra, ≥99.5% (titration) 7.7 - 9.1
29915-38-6 8.4
T0432 TAPSO BioXtra, ≥99% (titration) 7.0 - 8.2
68399-81-5 7.6
T6541 TES BioXtra, ≥99.5% (titration) 6.8 - 8.2
7365-44-8 7.5
T9784 Tricine BioXtra, pH 4.0-6.0 (1 M in H2O), ≥99% (titration) 7.4 - 8.8
5704-04-1 8.1
T6791 Trizma® base BioXtra, pH 10.5-12.0 (1 M in H2O), ≥99.9% (titration) 7 - 9
77-86-1 8.1
T6666 Trizma® hydrochloride BioXtra, pH 3.5-5.0 (0.5 M in H2O), ≥99.0% (titration) 7.0 - 9.0
1185-53-1 8.1