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547-65-9

Name 3-Methylenedihydro-2(3H)-furanone
CAS 547-65-9
EINECS(EC#) 208-931-6
Molecular Formula C5H6O2
MDL Number MFCD00005407
Molecular Weight 98.1
MOL File 547-65-9.mol
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Chemical Properties

Appearance clear colourless to light yellow or slightly pink
Melting point  <25 °C
Boiling point  86-88 °C12 mm Hg(lit.)
density  1.119 g/mL at 25 °C(lit.)
refractive index  n20/D 1.472(lit.)
Fp  99 °F
storage temp.  2-8°C
solubility  water: soluble(lit.)
form  Liquid
color  Clear colorless to light yellow or slightly pink
Merck  6062
BRN  107939
Contact allergens
Tulipalin A is the unsubstituted a-methylene-g-butyrolactone contained in the sap of damaged tulips (Liliaceae family) and Alstroemeria (Alstroemeriaceae family). Tulipalin B, due to hydrolysis of tuliposide B, seems to have a weak sensitizing capacity.
InChIKey GSLDEZOOOSBFGP-UHFFFAOYSA-N
CAS DataBase Reference 547-65-9(CAS DataBase Reference)
NIST Chemistry Reference «alpha»-Methylene-«gamma»-butyrolactone(547-65-9)
EPA Substance Registry System 2(3H)-Furanone, dihydro-3-methylene- ( (547-65-9)

Safety Data

Hazard Codes  Xn
Risk Statements 
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S36/37:Wear suitable protective clothing and gloves .
RIDADR  1993
WGK Germany  3
RTECS  LU3580400
F  1-8-10
HazardClass  3.2
PackingGroup  III
HS Code  29349990

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