1,4-Dioxane, 99.5+%, for HPLC, Unstabilised, Fisher Chemical™

Product Code	Brand	Quantity	Packaging
10540721	Fisher Chemical D/4556/PB15	1 L	Plastic-coated Glass Bottle
10111520	Fisher Chemical D/4556/PB17	2.5 L	Plastic-coated Glass Bottle

Chemical Identifiers

• CAS: 123-91-1
• Molecular Weight (g/mol): 88.106
• InChI Key: RYHBNJHYFVUHQT-UHFFFAOYSA-N
• PubChem CID: 31275
• IUPAC Name: 1,4-dioxane

• Molecular Formula: C4H8O2
• MDL Number: 6571
• Synonym: dioxane, p-dioxane, 1,4-diethylene dioxide, diethylene ether, dioxan, 1,4-dioxacyclohexane, diethylene dioxide, dioxanne, di ethylene oxide, tetrahydro-p-dioxin
• ChEBI: CHEBI:47032
• SMILES: C1COCCO1

Specifications

• pH: 6 to 8
• CAS: 123-91-1
• Boiling Point: 101°C
• Molecular Formula: C4H8O2
• Vapor Pressure: 41mbar at 20°C
• Synonym: dioxane, p-dioxane, 1,4-diethylene dioxide, diethylene ether, dioxan, 1,4-dioxacyclohexane, diethylene dioxide, dioxanne, di ethylene oxide, tetrahydro-p-dioxin
• SMILES: C1COCCO1
• Molecular Weight (g/mol): 88.106
• ChEBI: CHEBI:47032

• Melting Point: 12°C
• Color: Colorless
• Physical Form: Liquid
• MDL Number: 6571
• Viscosity: 1.32 mPaS at 20°C
• InChI Key: RYHBNJHYFVUHQT-UHFFFAOYSA-N
• IUPAC Name: 1,4-dioxane
• PubChem CID: 31275
• Formula Weight: 88.11g/mol

Safety and Handling

Product Identifier

• 1,4-Dioxane RPE

Signal Word

• Danger

Hazard Category

• Carcinogenicity Category 2
• Serious eye damage/eye irritation Category 2
• Flammable liquid Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H319-Causes serious eye irritation.
• H351-Suspected of causing cancer.
• H335-May cause respiratory irritation.
• H225-Highly flammable liquid and vapour.
• EUH019-May form explosive peroxides.
• EUH066-Repeated exposure may cause skin dryness or cracking.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P233-Keep container tightly closed.
• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.