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CAS No 1132-61-2 , 3-morpholin-4-ylpropane-1-sulfonic acid

  • Name: 3-morpholin-4-ylpropane-1-sulfonic acid
  • Synonyms: MOPS; 4-Morpholinepropanesulfonic acid;3-morpholin-4-ylpropane-1-sulfonic acid; 3-Morpholinopropanesulfonic acid; 3-(N-Morpholino)propanesulfonic acid; 1132-61-2;
  • CAS Registry Number:
  • Melting Point: 277-282 ºC
  • Flash Point: 116 ºC
  • Density: 1.298 g/cm3
  • Refractive index: 1.512
  • Water Solubility: 1000 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29349990
  • Flash Point: 116 ºC
  • EINECS: 214-478-5
  • Molecular Weight: 209.2633
  • InchiKey: DVLFYONBTKHTER-UHFFFAOYSA-N
  • InChI: InChI=1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11)
  • Risk Statements: S26;S36
  • Molecular Formula: C7H15NO4S
  • Molecular Structure:CAS No:1132-61-2 3-morpholin-4-ylpropane-1-sulfonic acid

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References of 3-morpholin-4-ylpropane-1-sulfonic acid
Title: MOPS
CAS Registry Number: 1132-61-2
CAS Name: 4-Morpholinepropanesulfonic acid
Synonyms: 3-(N-morpholino)propanesulfonic acid; N-(3-sulfopropyl)morpholine
Molecular Formula: C7H15NO4S
Molecular Weight: 209.26
Percent Composition: C 40.18%, H 7.23%, N 6.69%, O 30.58%, S 15.32%
Literature References: One of the zwitterionic amino acids known as "Good" buffers; active in the pH range of 6.5-8.0. Prepn: C. F. H. Allen et al., Anal. Chem. 37, 156 (1965); N. E. Good, S. Izawa, "Hydrogen Ion Buffers," in Methods Enzymol. 24, 53-65 (1972). Temperature effects on pK: M. Sankar, R. G. Bates, Anal. Chem. 50, 1922 (1978); and pH: R. N. Roy et al., Cryo-Lett. 6, 139 (1985). Effects on "Lowry" protein determn: H. M. Himmel, W. Heller, J. Clin. Chem. Clin. Biochem. 25, 909 (1987). Uses as a biological buffer: E. P. Paques et al., Eur. J. Biochem. 107, 447 (1980); L. A. Sonna et al., J. Biol. Chem. 263, 6625 (1988).
Properties: White powder, mp 283.5-284.5°. pKa 7.15. pKa2 (25°): 7.184; (37°): 7.041. DpKa/°C -0.013. Is not completely stable when autoclaved in the presence of glucose.
Melting point: mp 283.5-284.5°
pKa: pKa 7.15; pKa2 (25°): 7.184; (37°): 7.041; pKa/°C -0.013
Use: Biological buffer.