68399-81-5

68399-81-5 structure

Name: TAPSO
Chemical Name: 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]-2-hydroxypropane-1-sulfonic acid
CAS Number: 68399-81-5
Molecular Formula: C₇H₁₇NO₇S
Molecular Weight: 259.277
Catalog: Organic raw materials Organic sulfur compound
Create Date: 2018-12-26 14:01:18
Modify Date: 2025-08-20 19:01:35
TAPSO is a common biological buffer, a pH stabilization reagent, with effective pH ranging from 7-8, and pKa values ranging from 7.5–9.0. TAPSO contains Tris groups and exhibits quite reactive activity with zwitterionic glycine peptides[1].

Name	3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]-2-hydroxypropane-1-sulfonic acid
Synonyms	3-[(1,3-Dihydroxy-2-propanyl)(hydroxymethyl)amino]-2-hydroxy-1-propanesulfonic acid TAPSO 3,3-dibromo-tetrahydro-pyran-2-ol 3,3-Dibrom-2-hydroxytetrahydropyran MFCD00038352 1-Propanesulfonic acid, 2-hydroxy-3-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]- 3-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}-2-hydroxypropane-1-sulfonic acid UNII:45Q4J0071U 2-Hydroxy-3-{[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino}propane-1-sulfonic acid 2-Hydroxy-3.3-dibrom-tetrahydro-pyran TAPSO (buffer) 3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropane-sulfonic acid EINECS 269-993-8 1-Propanesulfonic acid, 2-hydroxy-3-[[2-hydroxy-1-(hydroxymethyl)ethyl](hydroxymethyl)amino]- 3-{[1,3-Dihydroxy-2-(hydroxymethyl)-2-propanyl]amino}-2-hydroxy-1-propanesulfonic acid

Description	TAPSO is a common biological buffer, a pH stabilization reagent, with effective pH ranging from 7-8, and pKa values ranging from 7.5–9.0. TAPSO contains Tris groups and exhibits quite reactive activity with zwitterionic glycine peptides[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Machado CM, et al. Interpretation of non-Nernstian slopes in graphic analysis of data collected in pH range close to deprotonation of a ligand Part I. A glass electrode potentiometric and polarographic study of Cd-(TAPSO)x-(OH)y and Zn-(TAPSO)x-(OH)y systems. Talanta. 2006 Jan 15;68(3):819-30.

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2922199090

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%