4454-05-1

Name 3,4-DIHYDRO-2-METHOXY-2H-PYRAN
CAS 4454-05-1
EINECS(EC#) 224-698-3
Molecular Formula C6H10O2
MDL Number MFCD00006560
Molecular Weight 114.14
MOL File 4454-05-1.mol

Chemical Properties

Appearance CLEAR COLOURLESS TO YELLOW LIQUID
Boiling point  126 °C
density  1.006 g/mL at 25 °C(lit.)
refractive index  1.441-1.443
Fp  16 °C
storage temp.  Flammables area
solubility  soluble in Methanol
form  Liquid
color  Clear colorless to yellow
BRN  107274
Henry's Law Constant 9.7×10-2 mol/(m3Pa) at 25℃, Ebert et al. (2023)
CAS DataBase Reference 4454-05-1(CAS DataBase Reference)
EPA Substance Registry System 2H-Pyran, 3,4-dihydro-2-methoxy- (4454-05-1)

Safety Data

Hazard Codes  Xn-F,Xn
Risk Statements 
R22:Harmful if swallowed.
R11:Highly Flammable.
R36:Irritating to the eyes.
R20:Harmful by inhalation.
R10:Flammable.
Safety Statements 
S9:Keep container in a well-ventilated place .
S33:Take precautionary measures against static discharges .
S16:Keep away from sources of ignition-No smoking .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  1993
RTECS  UP7900000
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  II
HS Code  29329900
Toxicity
rabbit,LD50,skin,4920mg/kg (4920mg/kg),LUNGS, THORAX, OR RESPIRATION: DYSPNEALUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHISKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE",Veterinary and Human Toxicology. Vol. 30, Pg. 545, 1988.

Hazard Information

Supplier