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Alfa Aesar™ 3,4-Dihydro-2H-pyran, 99%

$116.32 - $116.32

Chemical Identifiers

Chemical Name or Material 3,4-Dihydro-2H-pyran
CAS 110-87-2
Molecular Formula C5H8O
Formula Weight 84.12
MDL Number MFCD00006558
UN Number UN2376
Beilstein 103493
Synonym 2,3-Dihydropyran
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL02731AP

  SDS
alfa aesar™
L02731AP*
500mL Each for $116.32

AAL02731AE

  SDS
alfa aesar™
L02731AE
100mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL02731AC

  SDS
alfa aesar™
L02731AC
25mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Formula Weight 84.12
Odor Unpleasant
Health Hazard 1 Danger
Molecular Formula C5H8O
pH 7.0
MDL Number MFCD00006558
Beilstein 103493
Health Hazard 2 GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapor.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Boiling Point 85° to 86°C
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: 2,3-DIHYDROPYRAN
Chemical Name or Material 3,4-Dihydro-2H-pyran
TSCA TSCA
Synonym 2,3-Dihydropyran
Quantity 500mL
Health Hazard 3 GHS P Statement
P210-P261-P280g-P305+P351+P338-P403+P233
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store in a well-ventilated place.
Keep container tightly closed.
UN Number UN2376
CAS 110-87-2
Assay 99%
Flash Point −15°C (5°F)
Melting Point −70°C

Applications
Widely used hydroxyl-protecting reagent3,4-Dihydro-2H-pyran is used as a hydroxyl-protecting reagent in organic synthesis. It acts as an intermediate in synthetic chemistry. It is used to protect various reactive functional groups. It is involved in the polymerization reaction either alone or with unsaturated compound and finds application in polymer industries. Further, it is employed in the preparation of bicyclic compounds of epoxide-fused, halo compounds and allenic alcohols.

Solubility
Miscible with water and chloroform.

Notes
Incompatible with oxidizing agents, strong acids and alcohols.

Safety and Handling

Danger

GHS P Statement
P210-P261-P280g-P305+P351+P338-P403+P233
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store in a well-ventilated place.
Keep container tightly closed.

GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapor.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.