1,4-Dioxane, 98%

Name: 1,4-Dioxane, 98%
Brand: Vaqora Chemicals
SKU: VQ-001950

About 1,4-Dioxane, 98%

Vaqora Chemicals supplies 1,4-Dioxane (Synthesis grade), an industrial solvent registered under CAS number 123-91-1 with a typical assay of 98%. The compound has the formula C4H8O2, corresponding to a molecular weight of 88.11 g/mol. Common synonyms include Diethylene oxide and Dioxane.

It is supplied as a colourless liquid. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span industrial reaction medium, paints and coatings thinning, cleaning and degreasing and solvent and extraction work. Typical end-use sectors are academic and industrial research, pharmaceutical manufacturing and paints and coatings.

Standard pack sizes are 500 mL, 5 L and 210 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Industrial reaction medium
Paints & coatings thinning
Cleaning & degreasing
Solvent & extraction work

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,4-Dioxane, 98%
Catalogue No.	VQ-001950
CAS Number	123-91-1
IUPAC name	1,4-dioxane
Molecular formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Exact mass	88.0524
Grade	Synthesis
Purity / assay	98%
HSN code	29329900
InChIKey	RYHBNJHYFVUHQT-UHFFFAOYSA-N
SMILES	C1COCCO1
PubChem CID	31275

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	0 / 2
TPSA	18.5 Å²
UN number	UN 1165
Synonyms	Diethylene oxide, Dioxane, Diethylene dioxide, Diethylene ether, Dioxan, p-Dioxane, 1,4-Diethylene dioxide, 1,4-Dioxacyclohexane, Tetrahydro-1,4-dioxin, Tetrahydro-p-dioxin, Di(ethylene oxide), 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

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

All 11 products with CAS 123-91-1 →

Frequently asked questions

What is the CAS number of 1,4-Dioxane, 98%?

The CAS Registry Number of 1,4-Dioxane, 98% is 123-91-1. It is also known as Diethylene oxide, Dioxane, Diethylene dioxide.

What is the molecular formula and molecular weight of 1,4-Dioxane, 98%?

1,4-Dioxane, 98% 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-Dioxane, 98% can I order?

We supply 1,4-Dioxane, 98% in Synthesis (98%) 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-Dioxane, 98%?

Yes. Every lot of 1,4-Dioxane, 98% 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-Dioxane, 98% be shipped internationally?

Yes. 1,4-Dioxane, 98% 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.