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HomeProduct name list2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

  • CAS NO.:103-75-3
  • Empirical Formula: C7H12O2
  • Molecular Weight: 128.17
  • MDL number: MFCD00006561
  • EINECS: 203-141-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
2-ETHOXY-3,4-DIHYDRO-2H-PYRAN Structural

What is 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN?

Chemical properties

Colorless transparent liquid

The Uses of 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

Stabilizer, intermediate.

Synthesis Reference(s)

The Journal of Organic Chemistry, 42, p. 282, 1977 DOI: 10.1021/jo00422a025

General Description

Colorless liquid. Floats on water.

Reactivity Profile

Ethers, such as 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.

Hazard

Moderate fire risk.

Health Hazard

Contact with liquid irritates eyes. Also irritates skin on prolonged contact.

Safety Profile

Moderately toxic by skin contact. Mildly toxic by ingestion and inhalation. A skin and eye irritant. Flammable liquid when exposed to flame, sparks, and oxidizers. To fight fire, use dry chemical, foam, fog. When heated to decomposition it emits acrid smoke and irritating fumes

Properties of 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

Melting point: 153-155 °C
Boiling point: 42 °C16 mm Hg(lit.)
Density  0.957 g/mL at 25 °C(lit.)
refractive index  n20/D 1.439(lit.)
Flash point: 76 °F
storage temp.  2-8°C
form  liquid
color  Yellow
CAS DataBase Reference 103-75-3(CAS DataBase Reference)
EPA Substance Registry System 2H-Pyran, 2-ethoxy-3,4-dihydro- (103-75-3)

Safety information for 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.
P501:Dispose of contents/container to..…

Computed Descriptors for 2-ETHOXY-3,4-DIHYDRO-2H-PYRAN

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