1,4-Dioxan, EP, AR

Name: 1,4-Dioxan, EP, AR
Brand: Vaqora Chemicals
SKU: VQ-047057

About 1,4-Dioxan, EP, AR

1,4-Dioxan (CAS 123-91-1) is an analytical reagent grade solvent offered by Vaqora Chemicals in EP / AR grade. The compound has the formula C4H8O2, corresponding to a molecular weight of 88.11 g/mol. Systematically, it is named 1,4-dioxane. Common synonyms include Dioxane and p-Dioxane.

It is supplied as a liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include analytical reagent work, extraction and recrystallisation and titrimetric analysis. It is used across academic and industrial research and pharmaceutical manufacturing.

Vaqora Chemicals supplies 1,4-Dioxan in 500 mL, 1 L, 2.5 L and 25 L packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical reagent work
Extraction & recrystallisation
Titrimetric analysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1,4-Dioxan, EP, AR
Catalogue No.	VQ-047057
CAS Number	123-91-1
IUPAC name	1,4-dioxane
Molecular formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Exact mass	88.0524
Grade	EP / AR
HSN code	29329990
InChIKey	RYHBNJHYFVUHQT-UHFFFAOYSA-N
SMILES	C1COCCO1
PubChem CID	31275

Physical properties
Physical form	Liquid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	0 / 2
TPSA	18.5 Å²
Synonyms	Dioxane, 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

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 123-91-1

AR / Dry

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

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-045508

GC

1,4-Dioxan, for GC 99.9%

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-045513

HPLC

1,4-Dioxan, for HPLC, 99%+

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-001711

HPLC / Spectroscopy

1,4-Dioxan, for HPLC, for spectroscopy ≥99.8%

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-045498

Spectroscopy

1,4-Dioxan, for spectroscopy, 99%+

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-001836

AR

1,4-Dioxan, GR 99%+

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-001761

Scintillation

1,4-Dioxan, scintillation grade, 99%+

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-001837

USP / GC / Reference …

1,4-Dioxan, USP, for GC, Reference Standard

CAS: 123-91-1
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-046307

All 11 products with CAS 123-91-1 →

Frequently asked questions

What is the CAS number of 1,4-Dioxan, EP, AR?

The CAS Registry Number of 1,4-Dioxan, EP, AR is 123-91-1. It is also known as Dioxane, p-Dioxane, Diethylene ether.

What is the molecular formula and molecular weight of 1,4-Dioxan, EP, AR?

1,4-Dioxan, EP, AR has the molecular formula C4H8O2 and a molecular weight of 88.11 g/mol. Its IUPAC name is 1,4-dioxane.

Which grade and pack sizes of 1,4-Dioxan, EP, AR can I order?

We supply 1,4-Dioxan, EP, AR in EP / AR grade, in 500 mL, 1 L, 2.5 L, 25 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,4-Dioxan, EP, AR?

Yes. Every lot of 1,4-Dioxan, EP, AR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1,4-Dioxan, EP, AR be shipped internationally?

Yes. 1,4-Dioxan, EP, AR is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.