3,4-Dihydro-2H-pyran, 99%, Thermo Scientific Chemicals

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS

110-87-2

Molecular Formula

C₅H₈O

Molecular Weight (g/mol)

84.12

MDL Number

MFCD00006558

InChI Key

BUDQDWGNQVEFAC-UHFFFAOYSA-N

Synonym

dihydropyran, 3,4-dihydropyran, 2,3-dihydropyran, 2h-3,4-dihydropyran, 2,3-dihydro-4h-pyran, dihydro-2h-pyran, 2h-pyran, dihydro, 2h-pyran, 3,4-dihydro, 5,6-dihydro-4h-pyran, dihydropyrane

PubChem CID

8080

IUPAC Name

3,4-dihydro-2H-pyran

SMILES

C1CC=COC1

CAS Min %

98.5

CAS Max %

100.0

Melting Point

-70.0°C

Color

Colorless to Yellow

Density

0.9200g/mL

Boiling Point

87.0°C

Flash Point

−9°C

Infrared Spectrum

Authentic

Assay Percent Range

98.5% min. (GC)

Packaging

Glass bottle

Refractive Index

1.4405 to 1.4425

Quantity

500 g

UN Number

2376

Fieser

01,256; 03,99; 05,220; 07,109; 10,147; 11,26

Specific Gravity

0.92

Merck Index

15, 3195

Solubility Information

Solubility in water: 20g/L (20°C). Other solubilities: soluble in ethanol,slightly soluble in chloroform,soluble in most other organic solvents

Viscosity

0.76 mPa.s (20°C)

Formula Weight

84.12

Percent Purity

99%

Physical Form

Liquid

Chemical Name or Material

3, 4-Dihydro-2H-pyran

Hazard Category

GHS Signal Word: Danger

Hazard Statement

GHS H Statement
Causes skin irritation.
May cause an allergic skin reaction.
Causes serious eye irritation.
Highly flammable liquid and vapor.
Harmful to aquatic life with long lasting effects.

Precautionary Statement

GHS P Statement
Keep away from heat/sparks/open flames/hot surfaces.
- No smoking.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rinse skin with water/shower.
Wash face,hands and any exposed skin thoroughly

EINECSNumber

203-810-4

TSCA

TSCA

SDS

Hazard Category

GHS Signal Word: Danger

Hazard Statement

GHS H Statement
Causes skin irritation.
May cause an allergic skin reaction.
Causes serious eye irritation.
Highly flammable liquid and vapor.
Harmful to aquatic life with long lasting effects.

Precautionary Statement

GHS P Statement
Keep away from heat/sparks/open flames/hot surfaces.
- No smoking.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rinse skin with water/shower.
Wash face,hands and any exposed skin thoroughly

EINECSNumber

203-810-4

TSCA

TSCA

SDS

RUO – Research Use Only