1,4-Dioxan, GR 99%+

Name: 1,4-Dioxan, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-001761

About 1,4-Dioxan, GR 99%+

Vaqora Chemicals supplies 1,4-Dioxan (AR grade), an analytical reagent grade solvent registered under CAS number 123-91-1 with a typical assay of ≥99%. With the molecular formula C4H8O2, it has a molar mass of 88.11 g/mol. The IUPAC name is 1,4-dioxane. Common synonyms include Diethylene oxide and Dioxane,.

The material typically appears as a colourless liquid. Reported physical data include a density of 1.033 g/mL. 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.

It is commonly used for analytical reagent work, extraction and recrystallisation, titrimetric analysis and paints, coatings and inks. Buyers come mainly from academic and industrial research, pharmaceutical manufacturing and paints and coatings.

Vaqora Chemicals supplies 1,4-Dioxan in 500 mL, 5 L and 210 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical reagent work
Extraction & recrystallisation
Titrimetric analysis
Paints, coatings & inks

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1,4-Dioxan, GR 99%+
Catalogue No.	VQ-001761
CAS Number	123-91-1
IUPAC name	1,4-dioxane
Molecular formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Exact mass	88.0524
Grade	AR
Purity / assay	≥99%
HSN code	29329900
InChIKey	RYHBNJHYFVUHQT-UHFFFAOYSA-N
SMILES	C1COCCO1
PubChem CID	31275

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Density	1.033 g/mL
LogP (XLogP3)	-0.3
H-bond donors / acceptors	0 / 2
TPSA	18.5 Å²
UN number	UN 1165
Synonyms	Diethylene oxide, Dioxane,, 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

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

EP / AR

1,4-Dioxan, EP, AR

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

VQ-047057

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

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, GR 99%+?

The CAS Registry Number of 1,4-Dioxan, GR 99%+ is 123-91-1. It is also known as Diethylene oxide, Dioxane,, Dioxane.

What is the molecular formula and molecular weight of 1,4-Dioxan, GR 99%+?

1,4-Dioxan, GR 99%+ 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, GR 99%+ can I order?

We supply 1,4-Dioxan, GR 99%+ in AR (≥99%) grade, in 500 mL, 5 L, 210 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,4-Dioxan, GR 99%+?

Yes. Every lot of 1,4-Dioxan, GR 99%+ 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, GR 99%+ be shipped internationally?

Yes. 1,4-Dioxan, GR 99%+ is classified as hazardous (UN 1165), 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.