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149-87-1

Name DL-Pyroglutamic acid
CAS 149-87-1
EINECS(EC#) 205-748-3
Molecular Formula C5H7NO3
MDL Number MFCD00064322
Molecular Weight 129.11
MOL File 149-87-1.mol
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Chemical Properties

Appearance white crystalline powder
Melting point  183-185 °C(lit.)
Boiling point  239.15°C (rough estimate)
density  1.3816 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.4220 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  52g/l
form  Crystalline Powder
pka 3.48±0.20(Predicted)
color  White
PH 1.7 (50g/l, H2O, 20℃)
Water Solubility  5.67 g/100 mL (20 ºC)
BRN  82131
InChIKey ODHCTXKNWHHXJC-UHFFFAOYSA-N
CAS DataBase Reference 149-87-1(CAS DataBase Reference)
NIST Chemistry Reference DL-5-Oxoproline(149-87-1)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
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 .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
HazardClass  IRRITANT
HS Code  29337900

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