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HPLC & LC-MS Grade Solvents

1,4-Dioxan, AR, specially dried ≥99.5%

AR / DryAvailable on request

Buy 1,4-Dioxan, AR, specially dried ≥99.5% (CAS 123-91-1) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
1,4-Dioxan, AR, specially dried ≥99.5% chemical structure
CAS number123-91-1
FormulaC4H8O2
Molar mass88.11 g/mol
Physical formLiquid
HS code29329900
Purity≥99.5%
InChIKeyRYHBNJHYFVUHQT-UHFFFAOYSA-N
IUPAC name1,4-dioxane

About 1,4-Dioxan, AR, specially dried ≥99.5%

Zemixal supplies 1,4-Dioxan, AR, specially dried ≥99.5% within its solvents portfolio. Identity at a glance (AR / Dry): CAS 123-91-1, formula C4H8O2 and molar mass 88.11 g/mol. It is handled as a liquid.

Use cases we see most often

  • HPLC mobile phase
  • LC-MS sample preparation
  • Trace analysis
  • Chromatography

Safe handling

It carries the GHS signal word Danger (H225, H319, H335 and H350), so wear gloves and eye protection and work with good ventilation.

Available as 500 mL, 500 g, 1 L and 2.5 L. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • HPLC mobile phase
  • LC-MS sample preparation
  • Trace analysis
  • Chromatography

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of 1,4-Dioxan, AR, specially dried ≥99.5%
Product name1,4-Dioxan, AR, specially dried ≥99.5%
Catalogue numberZX-036987
CAS number123-91-1
IUPAC name1,4-dioxane
Molecular formulaC4H8O2
Molar mass88.11 g/mol
Exact mass88.0524
GradeAR / Dry
Purity / assay≥99.5%
Physical formLiquid
XLogP3-0.3
H-bond donors / acceptors0 / 2
Topological polar surface area18.5 Ų
HS code29329900
InChIKeyRYHBNJHYFVUHQT-UHFFFAOYSA-N
SMILESC1COCCO1
PubChem CID31275
SynonymsDioxane, p-Dioxane, Diethylene ether, 1,4-Diethylene dioxide, 1,4-Dioxacyclohexane, Tetrahydro-1,4-dioxin, Tetrahydro-p-dioxin, Di(ethylene oxide), Diethylene dioxide, Dioxane-1,4, Glycol ethylene ether

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H225Highly flammable liquid and vapor
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H350May cause cancer

Precautionary statements P203, P210, P233, P240, P241, P242, P243, P261, P264 + P265, P271, P280, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P318, P319, P337 + P317, P370 + P378, P403 + P233, P403 + P235, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1,4-Dioxan, AR, specially dried ≥99.5%
500 mLQuoted on request
500 gQuoted on request
1 LQuoted on request
2.5 LQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1,4-Dioxan, AR, specially dried ≥99.5%

Which CAS number identifies 1,4-Dioxan, AR, specially dried ≥99.5%?
1,4-Dioxan, AR, specially dried ≥99.5% is registered under CAS 123-91-1. You may also see it listed as Dioxane, p-Dioxane, Diethylene ether. Our catalogue number for this item is ZX-036987.
What are the formula and molar mass of 1,4-Dioxan, AR, specially dried ≥99.5%?
For 1,4-Dioxan, AR, specially dried ≥99.5%, its formula is C4H8O2 and its molar mass is 88.11 g/mol. The systematic (IUPAC) name is 1,4-dioxane. InChIKey RYHBNJHYFVUHQT-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 1,4-Dioxan, AR, specially dried ≥99.5%?
This listing is AR / Dry grade with ≥99.5% purity. Standard packs are 500 mL, 500 g, 1 L, 2.5 L. Larger quantities and custom packing can be quoted on request.
Which documents come with 1,4-Dioxan, AR, specially dried ≥99.5%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1,4-Dioxan, AR, specially dried ≥99.5% to my country?
Yes. Because 1,4-Dioxan, AR, specially dried ≥99.5% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 123-91-1

All 11 grades

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