479160
(R)-(+)-4-Hydroxy-2-pyrrolidinone
97%
Synonym(s):
(R)-β-Hydroxy-γ-butyrolactam
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About This Item
Empirical Formula (Hill Notation):
C4H7NO2
CAS Number:
Molecular Weight:
101.10
Beilstein:
1524193
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
Assay
97%
optical activity
[α]23/D +43°, c = 1 in ethanol
mp
156-159 °C (lit.)
functional group
hydroxyl
SMILES string
O[C@H]1CNC(=O)C1
InChI
1S/C4H7NO2/c6-3-1-4(7)5-2-3/h3,6H,1-2H2,(H,5,7)/t3-/m1/s1
InChI key
IOGISYQVOGVIEU-GSVOUGTGSA-N
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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G Di Silvestro et al.
Journal of pharmaceutical sciences, 82(7), 758-760 (1993-07-01)
The phase diagram of (R)- and (S)-4-hydroxy-2-pyrrolidone presents a conglomerate in the racemic mixture. The enthalpy of melting extrapolated by the Schröder-van Laar-Le Chatelier equation [change in enthalpy (delta H) = 28410 J/mol; melting temperature (TA) = 429.9 K; solidus
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