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4432-31-9

Name 4-Morpholineethanesulfonic acid
CAS 4432-31-9
EINECS(EC#) 224-632-3
Molecular Formula C6H13NO4S
MDL Number MFCD00006181
Molecular Weight 195.24
MOL File 4432-31-9.mol
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Chemical Properties

Appearance White/clear crystalline powder
Melting point  >300 °C(lit.)
Boiling point  102°C
density  1.208 (estimate)
refractive index  1.5500 (estimate)
storage temp.  Store at RT.
solubility  H2O: 0.5 M at 20 °C, clear
form  Powder
pka pKa at 0.1M ionic: 0°, 6.38; 20°, 6.15; 37°, 5.98; pKa1 1.99; pKa2 6.21; pKa/°C -0.011
color  White
PH 2.5-4.0 (25℃ in neat)
PH Range 5.5 - 6.7
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  185.2g/L at 20℃
λmax λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
Merck  13,5929
BRN  6350956
InChIKey SXGZJKUKBWWHRA-UHFFFAOYSA-N
LogP -2.2 at 20℃
CAS DataBase Reference 4432-31-9(CAS DataBase Reference)
EPA Substance Registry System 4432-31-9(EPA Substance)
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Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust .
WGK Germany  1
RTECS  QE9104530
HS Code  29349990

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