TAPS is used to make buffer solutions. It has a pKa value of 8.44 (ionic strength I=0, 25°C). It can be used to make buffer solutions in the pH range 7.7–9.1.

CAS：29915-38-6
中文别名：3-(三(羟甲基)甲基)氨基-1-丙磺酸;3-[(羟甲基)甲基胺]丙烷磺酸;3-Tris丙磺酸;四氨基吡啶硫酸盐;N-三(羟甲基)甲基氨基丙磺酸;N-三(羟甲基)甲基-3-氨基丙磺酸;N-三(羟甲基)甲基-3-氨基丙烷磺酸;N-三(羟甲基)甲基-3-氨基丙磺酸(TAPS);TAPS;{[2-羟基-1,1-二(羟甲基)乙基]氨基}-1-丙磺酸;
英文别名：3-((1,3-Dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)propane-1-sulfonic acid;N-Tris(hydroxymethyl)methyl-3-aminopropanesulfonic acid;T3A;3-(Tris(Hydroxymethyl)Methylamino)-1-Propanesulfonic Acid;[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid;N-Tris(hydroxymethyl)methyl-3-aminopropanesulfonic Acid [Good\'s buffer component;N-[Tris（hydroxymethyl）metyl]-3-aminopropanesulfonic acid;3-[N-Tris-(hydroxymethyl)methylamino]propanesulphonic (TAPS);
分子式：C7H17NO6S
分子量：243.278
精确质量：243.078
Psa：135.47
Logp：-0.9587

MDL号：MFCD00007538

外观与性状：白色结晶粉末。熔点：230-235°C
熔点：230-235°C (dec.)
闪点：110°C
水溶解性：Soluble
稳定性：Stable. Incompatible with strong oxidizing agents
储存条件：Store at RT.

安全说明：S22; S24/25; S36; S26
WGK Germany：3
危险类别码：R36/37/38
海关编码：29221980
危险品标志：Xi