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2133-34-8

Name (S)-(-)-2-Azetidinecarboxylic acid
CAS 2133-34-8
EINECS(EC#) 218-362-5
Molecular Formula C4H7NO2
MDL Number MFCD00005166
Molecular Weight 101.1
MOL File 2133-34-8.mol
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Chemical Properties

Appearance white to light yellow crystal powder
Melting point  ~215 °C (dec.)
alpha  -125 º (c=1, water 25 ºC)
Boiling point  189.47°C (rough estimate)
density  1.2245 (rough estimate)
refractive index  -122 ° (C=4, H2O)
storage temp.  2-8°C
solubility  Aqueous Base (Slightly), Methanol (Slightly), Water (Slightly)
form  Crystalline Powder or Crystals
pka 2.35±0.20(Predicted)
color  White to light beige
Water Solubility  5 g/100 mL
Usage A four-membered ring analog of L-Proline. A useful intermediate in the synthesis of polypeptides
Merck  14,908
BRN  80678
InChIKey IADUEWIQBXOCDZ-VKHMYHEASA-N
CAS DataBase Reference 2133-34-8(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany  3
RTECS  CM4310500
Hazard Note  Irritant
HS Code  29339900
Hazardous Substances Data 2133-34-8(Hazardous Substances Data)
Toxicity
LD50 scu-mus: 1000 mg/kg 85GDA2 8(1),101,82

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