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   ChemNet > CAS > 4042-36-8 5-Oxo-D-proline

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4042-36-8 5-Oxo-D-proline

product Name 5-Oxo-D-proline
CAS No 4042-36-8
Synonyms D-5-Pyrrolidone-2-carboxylic acid; D-Pyroglutamic acid; (R)-(+)-2-Pyrrolidinone-5-carboxylic acid; H-D-Pyr-OH; ; 2-oxopyrrolidine-1-carboxylic acid
Molecular Formula C5H7NO3
Molecular Weight 129.114
InChI InChI=1/C5H7NO3/c7-4-2-1-3-6(4)5(8)9/h1-3H2,(H,8,9)
EINECS 223-735-0
Molecular Structure 4042-36-8 5-Oxo-D-proline
Density 1.458g/cm3
Melting point 155-162℃
Boiling point 270.098°C at 760 mmHg
Refractive index 1.551
Flash point 117.151°C
Water solubility soluble
Vapour Pressur 0.002mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S37/39:;
MSDS Material Safety Data Sheet

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Specifications Standard :AJI/USP
Description Appearance White crystals with lumps Specific rotation[¦Á]D/20 (C=2 in H2O) +10.8¡ãto +12.3¡ã Melting Point (?C) 160 to 163 ?C Chloride(C1) Not more than 0.02% Iron(Fe) Not more than 10ppm Heavy metals(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.10% Assay 98.0%??101.0%
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