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5061-21-2

Name 2-Bromo-4-butanolide
CAS 5061-21-2
EINECS(EC#) 225-764-4
Molecular Formula C4H5BrO2
MDL Number MFCD00005387
Molecular Weight 164.99
MOL File 5061-21-2.mol
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Chemical Properties

Appearance Pale Yellow Liquid
Boiling point  138 °C/6 mmHg (lit.)
density  1.786 g/mL at 25 °C(lit.)
refractive index  n20/D 1.508(lit.)
Fp  >230 °F
storage temp.  2-8°C
solubility  Acetone, Chloroform, Ethyl Acetate, Methanol
form  Clear Colourless to Light Yellow Liquid
Specific Gravity 1.778 (20/4℃)
Sensitive  Moisture Sensitive/Lachrymatory
Usage Lactams inhibit type Q arylesterase activity of human serum paraoxonase PON1.
BRN  107800
InChI InChI=1S/C4H5BrO2/c5-3-1-2-7-4(3)6/h3H,1-2H2
InChIKey LFJJGHGXHXXDFT-UHFFFAOYSA-N
SMILES O1CCC(Br)C1=O
CAS DataBase Reference 5061-21-2(CAS DataBase Reference)
NIST Chemistry Reference 2(3H)-Furanone, 3-bromodihydro-(5061-21-2)
EPA Substance Registry System 5061-21-2(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
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 .
S36:Wear suitable protective clothing .
RIDADR  UN 2810
WGK Germany  3
F  21
Hazard Note  Irritant/Keep Cold/Lachrymatory/Moisture Sensitive
TSCA  Yes
HS Code  29322980

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