Melting point: 167-172°C(lit.)
Boiling point: 219-220°C 10mmHg(lit.)
Density: 1,353g/cm3
Vapor pressure: 0.0267hPa(20°C)
Refractive index: 1.4170(estimate)
Flash point: 219-220°C/10mm
Storage Conditions 2-8°C
Solubility H2O: 4Mat20°C, clear, colorless
form crystalline
Color white
PH value 10.5-12.0 (4minwater, 25°C)
pH value range 7-9
Acidity coefficient (pKa) 8.1 (at25) ℃) Water solubility 550g/L (25ºC) Maximum wavelength (λmax)λ:260nmAmax:0.10λ:280nmAmax:0.08 Sensitive Chemicalbook HygroscopicMerck14,9772BRN741883 Stability 86-1 (CASDataBaseReference) NIST Chemical Substance Information 1,3-Propanediol, 2-amino-2-(hydroxymethyl)-(77-86-1) EPA Chemical Substance Information Tris(hydroxymethyl)aminomethane(77-86-1)
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