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

Name: 1,4-Dioxan, USP, for GC, Reference Standard
Brand: Vaqora Chemicals
SKU: VQ-046307

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

1,4-Dioxan (CAS 123-91-1) is a specialty grade solvent offered by Vaqora Chemicals (USP / GC / Reference Standard grade). Formula C4H8O2, molecular weight 88.11 g/mol. Its systematic (IUPAC) name is 1,4-dioxane. Alternative names: Dioxane and p-Dioxane.

The product is provided 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.

It is commonly used for gas chromatography, headspace analysis and residual solvent testing. Our customers for this product work in academic and industrial research and pharmaceutical manufacturing.

Standard pack sizes are 100 mL, 500 mL, 1 L and 2.5 L, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Gas chromatography
Headspace analysis
Residual solvent testing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	1,4-Dioxan, USP, for GC, Reference Standard
Catalogue No.	VQ-046307
CAS Number	123-91-1
IUPAC name	1,4-dioxane
Molecular formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Exact mass	88.0524
Grade	USP / GC / Reference Standard
HSN code	29329900
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

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-Dioxan, USP, for GC, Reference Standard?

The CAS Registry Number of 1,4-Dioxan, USP, for GC, Reference Standard 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, USP, for GC, Reference Standard?

1,4-Dioxan, USP, for GC, Reference Standard 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, USP, for GC, Reference Standard can I order?

We supply 1,4-Dioxan, USP, for GC, Reference Standard in USP / GC / Reference Standard grade, in 100 mL, 500 mL, 1 L, 2.5 L, 25 L, 200 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,4-Dioxan, USP, for GC, Reference Standard?

Yes. Every lot of 1,4-Dioxan, USP, for GC, Reference Standard 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, USP, for GC, Reference Standard be shipped internationally?

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