HomeBUFFER SUBSTANCES BUFFER SUBSTANCES Buffer substances offer by BIO-CHEM are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications. CODE PRODUCT NAME UN NO. IMCO CAS NO. B-00158 2-AMINO-2-METHYL-1,3- PROPANEDIOL 99% AR 3259 8 115-69-5 B-00159 2-AMINO-2-METHYL-1- PROPANOL 95% EXTRAPURE (AMP) 124-68-5 B-00247 AMMONIUM TARTRATE 99% EXTRAPURE 3164-29-2 B-01130 ETHANOLAMINE (MONO) 99% AR 2491 8 141-43-5 B-00248 AMMONIUM TARTRATE 99% AR 3164-29-2 B-01129 ETHANOLAMINE (MONO) FOR SYNTHESIS 2491 8 141-43-5 B-01428 IMIDAZOLE 99% EXTRAPURE 3263 8 288-32-4 B-00248C L(+)-TARTARIC ACID DIAMMONIUM SALT 99% 3164-29-2 B-01770 MORPHOLINOETHANE SULPHONIC ACID MONOHYDRATE 99% EXTRAPURE (MES) 1132-61-2 B-00202 TRI-AMMONIUM CITRATE 97% EXTRAPURE 3458-72-8 B-01429 IMIDAZOLE 99.5% AR 3263 8 288-32-4 B-01771 MORPHOLINOPROPANE SULPHONIC ACID (MOPS) 99% EXTRAPURE 1132-61-2 B-00203 TRI-AMMONIUM CITRATE 98.5 % AR 3458-72-8 B-02093 TRI-POTASSIUM CITRATE MONOHYDRATE 99% AR 6100-05-6 B-02092 TRI-POTASSIUM CITRATE MONOHYDRATE 99% EXTRAPURE 6100-05-6 B-02393 TRI-SODIUM CITRATE DIHYDRATE 99% AR 6132-04-3 B-02392 TRI-SODIUM CITRATE DIHYDRATE 99% EXTRAPURE 6132-04-3 B-02756 TRIETHANOLAMINE HYDROCHLORIDE 99% AR 637-39-8