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3,4-Dihydro-2-methoxy-2H-pyran Structure

3,4-Dihydro-2-methoxy-2H-pyran

Chemical Properties

Boiling point 126 °C
Density  1.006 g/mL at 25 °C(lit.)
refractive index  1.441-1.443
Flash point 16 °C
storage temp.  Inert atmosphere,Room Temperature
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 Information

Hazard Codes  Xn-F,Xn
Risk Statements  22-11-36-20-10
Safety Statements  9-33-16-36-26
RIDADR  1993
RTECS  UP7900000
TSCA  TSCA listed
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.

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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