1,4-Dioxane - anhydrous, ≥99.5% , CAS No.123-91-1

CAS: 123-91-1 Cat. No.: D116160 Formula: C4H8O2 Molecular Weight: 88.11 Beilstein Registry Number: 102551 EC Number: 204-661-8
AVAILABLE TO ORDER
GRADE & PURITY Anhydrous Grade ? Anhydrous grade — water removed and packaged dry for moisture-sensitive chemistry. Use in reactions where even trace water would interfere or quench. ≥99.5%
Synonyms
1-4-dioxane | AMY33329 | Dioksan | Dioxane-1,4 | EINECS 204-661-8 | Dioxane 1.4 | Glycolethylenether | 1,4-Dioxane, for HPLC | 5-19-01-00016 (Beilstein Handbook Reference) | Dioxane | EC 204-661-8 | 1,4- dioxane | 1,4 -dioxane | 1-4 Dioxane | Dioxyethylen
Storage
Room temperature,Desiccated
Shipped In
FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
100ml
D116160-100ml
In stock ≥10
—
$45.90
Enter a quantity for the sizes you want to add.
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Why this grade

anhydrous, ≥99.5% Anhydrous Grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 547 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1-4-dioxane | AMY33329 | Dioksan | Dioxane-1,4 | EINECS 204-661-8 | Dioxane 1.4 | Glycolethylenether | 1,4-Dioxane, for HPLC | 5-19-01-00016 (Beilstein Handbook Reference) | Dioxane | EC 204-661-8 | 1,4- dioxane | 1,4 -dioxane | 1-4 Dioxane | Dioxyethylen
Specifications & Purity
anhydrous, ≥99.5%
Storage
Room temperature,Desiccated
Shipped In
FedEx DG Service
Grade
Anhydrous Grade
Purity
≥99.5%
Names and Identifiers
Pubchem Sid
Canonical Smiles
C1COCCO1
IUPAC Name
1,4-dioxane
InChIKey
RYHBNJHYFVUHQT-UHFFFAOYSA-N
INCHI
1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2
Isomeric SMILES
C1COCCO1
WGK Germany
2
RTECS
JG8225000
UN Number
1165
Packing Group
II
Molecular Weight
88.11
Beilstein
102551
Reaxy-Rn
102551
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=102551&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDioxanes
Subclass1,4-dioxanes
Intermediate Tree Nodes Not available
Direct Parent1,4-dioxanes
Alternative Parents Oxacyclic compounds  Dialkyl ethers  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Para-dioxane - Oxacycle - Ether - Dialkyl ether - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1,4-dioxanes. These are organic compounds containing 1,4-dioxane, an aliphatic six-member ring with two oxygen atoms in ring positions 1 and 4.
External Descriptors a small molecule
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

71 results found

Lot NumberCertificate TypeDateItem
H2627530Certificate of AnalysisAug 18, 2026 D116160
H2627531Certificate of AnalysisAug 18, 2026 D116160
H2627532Certificate of AnalysisAug 18, 2026 D116160
F2626502Certificate of AnalysisMay 11, 2026 D116160
F2626501Certificate of AnalysisMay 11, 2026 D116160
F2626499Certificate of AnalysisMay 11, 2026 D116160
E2613224Certificate of AnalysisApr 21, 2026 D116160
E2613220Certificate of AnalysisApr 21, 2026 D116160
I2510414Certificate of AnalysisSep 03, 2025 D116160
I2510413Certificate of AnalysisSep 03, 2025 D116160
I2510418Certificate of AnalysisSep 03, 2025 D116160
I2510415Certificate of AnalysisSep 03, 2025 D116160
H2529307Certificate of AnalysisSep 01, 2025 D116160
H2529315Certificate of AnalysisSep 01, 2025 D116160
H2529341Certificate of AnalysisSep 01, 2025 D116160
H2529342Certificate of AnalysisSep 01, 2025 D116160
H2529312Certificate of AnalysisSep 01, 2025 D116160
H2529313Certificate of AnalysisSep 01, 2025 D116160
H2529314Certificate of AnalysisSep 01, 2025 D116160
H2529308Certificate of AnalysisSep 01, 2025 D116160
H2529311Certificate of AnalysisSep 01, 2025 D116160
H2529309Certificate of AnalysisSep 01, 2025 D116160
H2529310Certificate of AnalysisAug 19, 2025 D116160
D2521365Certificate of AnalysisApr 16, 2025 D116160
D2521364Certificate of AnalysisApr 16, 2025 D116160
D2521257Certificate of AnalysisApr 16, 2025 D116160
D2521363Certificate of AnalysisApr 09, 2025 D116160
D2521362Certificate of AnalysisApr 09, 2025 D116160
B2527348Certificate of AnalysisFeb 14, 2025 D116160
B2527347Certificate of AnalysisFeb 14, 2025 D116160
A2508200Certificate of AnalysisJan 18, 2025 D116160
A2514626Certificate of AnalysisJan 07, 2025 D116160
A2514273Certificate of AnalysisJan 07, 2025 D116160
A2514272Certificate of AnalysisJan 07, 2025 D116160
K2412331Certificate of AnalysisOct 24, 2024 D116160
K2412365Certificate of AnalysisOct 24, 2024 D116160
H2427512Certificate of AnalysisAug 14, 2024 D116160
H2427482Certificate of AnalysisAug 14, 2024 D116160
G2404234Certificate of AnalysisMay 07, 2024 D116160
G2404285Certificate of AnalysisMay 07, 2024 D116160
C2408348Certificate of AnalysisJan 19, 2024 D116160
C2408349Certificate of AnalysisJan 19, 2024 D116160
A2408688Certificate of AnalysisDec 05, 2023 D116160
A2408687Certificate of AnalysisDec 05, 2023 D116160
K2320146Certificate of AnalysisNov 08, 2023 D116160
K2320140Certificate of AnalysisNov 08, 2023 D116160
K2320129Certificate of AnalysisNov 08, 2023 D116160
I2311488Certificate of AnalysisAug 07, 2023 D116160
I2311486Certificate of AnalysisAug 07, 2023 D116160
H2318477Certificate of AnalysisJul 24, 2023 D116160
H2318478Certificate of AnalysisJul 24, 2023 D116160
G2304595Certificate of AnalysisJun 05, 2023 D116160
G2304597Certificate of AnalysisJun 05, 2023 D116160
G2304626Certificate of AnalysisJun 05, 2023 D116160
G2304591Certificate of AnalysisJun 05, 2023 D116160
G2304596Certificate of AnalysisJun 05, 2023 D116160
C2303501Certificate of AnalysisDec 13, 2022 D116160
C2303431Certificate of AnalysisDec 13, 2022 D116160
C2303503Certificate of AnalysisDec 13, 2022 D116160
C2303502Certificate of AnalysisDec 13, 2022 D116160
C2303429Certificate of AnalysisDec 13, 2022 D116160
C2303430Certificate of AnalysisDec 13, 2022 D116160
L2208779Certificate of AnalysisNov 28, 2022 D116160
L2208777Certificate of AnalysisNov 28, 2022 D116160
L2208775Certificate of AnalysisNov 28, 2022 D116160
H2224234Certificate of AnalysisJun 06, 2022 D116160
I2208366Certificate of AnalysisJun 06, 2022 D116160
F2217140Certificate of AnalysisJun 06, 2022 D116160
F2217146Certificate of AnalysisJun 06, 2022 D116160
F2217147Certificate of AnalysisJun 06, 2022 D116160
F2217141Certificate of AnalysisJun 06, 2022 D116160
Chemical and Physical Properties
SensitivityHygroscopic.
Freezing Point(°C)11 °C
Refractive Index1.4175
Flash Point(°F)51.8 °F - closed cup
Flash Point(°C)11℃ - closed cup
Boil Point(°C)101.1°C
Melt Point(°C)11.8°C
Molecular Weight88.110 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass88.0524 Da
Monoisotopic Mass88.0524 Da
Topological Polar Surface Area18.500 Ų
Heavy Atom Count6
Formal Charge0
Complexity26.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Acetone
1, 4-Dioxane
The Guide to Anhydrous Grade for Reagents
One-Stop Handbook for Palladium-Catalyzed Reactions: Catalytic Cycles, Deactivation Troubleshooting, Ligand/Precatalyst Selection, and an Aladdin Reference List
How to Make the Suzuki–Miyaura Reaction Robust: Pinpoint the Bottleneck and Lock in a Reproducible Operating Window (with Selection Navigation and Product Tables 1–5)
Boc₂O Selection Cannot Be Judged by Protection Installation Alone: Experimental Decision-Making from Substrate Nucleophilicity and Medium Effects to Deprotection Pathways
Experimental Judgment for Differential Deprotection of Double Boc and Related N-Boc Systems: Substrate Type, Site-Response Differences, and Initial Condition Selection
Experimental Assessment of Fmoc Introduction Routes: Impurity Profile Differences, Raw Material Carryover, and Quality Control
Experimental Decision-Making for Cross-Coupling Reactions: Target Bond Type, Substrate Combination, and Catalytic System Selection
AES (Fatty Alcohol Polyoxyethylene Ether Sulfate) in Personal and Home-Care Cleansing Formulations: An Analysis of Structure, Performance, and Low-Temperature Flowability
CTSOBt Benzotriazole–Sulfonate Coupling Reagent: Carboxylic Acid Activation and Synthetic Application Value
Overcoming the Electronic-Effect Limitations of Nucleophilic Aromatic Substitution in Fluoroarenes: Anion Activation, Concerted Substitution, and HF Capture by t-Bu-P4
1,8-Naphthyridine-Based Aldose Reductase Inhibitors: Scaffold Construction, In Vitro Inhibitory Activity, and Directions for Structural Optimization
Form Selection of 2,5-Dihydropyrrol-3-yl Boron Building Blocks: Functional Roles of Bpin and BF₃K in Coupling, Isolation, and Storage
Construction of the Key α-Bromoketone Intermediate for LY3509754: A β-Keto Ester Strategy and Concomitant Decarboxylation Following Enzymatic Ester Hydrolysis
From Temporary Covalent Assembly to Intramolecular Smiles Aryl Migration: DCPDC-Mediated Phenol–Primary Amine C–N Cross-Coupling
Citations of This Product
Solution Calculators
Reviews

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