Diethanolamine(DEA) - ACS, ≥99%(GC) , CAS No.111-42-2

CAS: 111-42-2 Cat. No.: D112361 Formula: C4H11NO2 Molecular Weight: 105.14 Beilstein Registry Number: 605315 EC Number: 203-868-0
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GRADE & PURITY ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%(GC)
Synonyms
Bis(2-hydroxyethyl)amine | 2,2'-Iminodiethanol | 2,2'-Dihydroxydiethylamine | Bis(beta-hydroxyethyl)amine
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
500ml
D112361-500ml
3 In stock
—
$24.90
Enter a quantity for the sizes you want to add.
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Why this grade

ACS, ≥99%(GC) ACS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged 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 269 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Diethanolamine (DEA) may be used to compose the Ti(O-i-Pr)4 (titanium isopropoxide)-diethanolamine-i-propanol system, required for the preparation of transparent TiO2 films by dip-coating method. It may be used for the coating of ZnO nanoparticles.

Specifications

Synonyms
Bis(2-hydroxyethyl)amine | 2,2'-Iminodiethanol | 2,2'-Dihydroxydiethylamine | Bis(beta-hydroxyethyl)amine
Specifications & Purity
ACS, ≥99%(GC)
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
Grade
ACS
Purity
≥99%(GC)
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508812077
Canonical Smiles
C(CO)NCCO
IUPAC Name
2-(2-hydroxyethylamino)ethanol
InChIKey
ZBCBWPMODOFKDW-UHFFFAOYSA-N
INCHI
1S/C4H11NO2/c6-3-1-5-2-4-7/h5-7H,1-4H2
Isomeric SMILES
C(CO)NCCO
WGK Germany
1
RTECS
KL2975000
UN Number
3082
Packing Group
III
Molecular Weight
105.14
Beilstein
605315
Reaxy-Rn
605315
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=605315&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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassAmines
Intermediate Tree Nodes Alkanolamines
Direct Parent1,2-aminoalcohols
Alternative Parents Dialkylamines  Primary alcohols  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents 1,2-aminoalcohol - Secondary amine - Secondary aliphatic amine - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Primary alcohol - Organooxygen compound - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1,2-aminoalcohols. These are organic compounds containing an alkyl chain with an amine group bound to the C1 atom and an alcohol group bound to the C2 atom.
External Descriptors ethanolamines
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSD17B10 Tchem Endoplasmic reticulum-associated amyloid beta-peptide-binding protein (20669 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TGR Thioredoxin glutathione reductase (28579 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nr1i2 Nuclear receptor subfamily 1 group I member 2 (14 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

23 results found

Lot NumberCertificate TypeDateItem
I2602253Certificate of AnalysisAug 19, 2026 D112361
I2602251Certificate of AnalysisAug 19, 2026 D112361
G2620044Certificate of AnalysisJun 12, 2026 D112361
G2620042Certificate of AnalysisJun 12, 2026 D112361
C2631151Certificate of AnalysisMar 19, 2026 D112361
C2631173Certificate of AnalysisMar 19, 2026 D112361
H2521188Certificate of AnalysisAug 16, 2025 D112361
H2521187Certificate of AnalysisAug 16, 2025 D112361
G2501071Certificate of AnalysisJul 14, 2025 D112361
A2507054Certificate of AnalysisJan 09, 2025 D112361
E2417173Certificate of AnalysisMay 10, 2024 D112361
E2417175Certificate of AnalysisMay 10, 2024 D112361
F2502125Certificate of AnalysisMay 10, 2024 D112361
E2417176Certificate of AnalysisMay 10, 2024 D112361
D23191096Certificate of AnalysisApr 08, 2023 D112361
D23191082Certificate of AnalysisApr 08, 2023 D112361
C2307210Certificate of AnalysisFeb 28, 2023 D112361
B23031265Certificate of AnalysisDec 29, 2022 D112361
B23031233Certificate of AnalysisDec 29, 2022 D112361
I2219239Certificate of AnalysisSep 02, 2022 D112361
I2219240Certificate of AnalysisSep 02, 2022 D112361
B2221129Certificate of AnalysisJan 06, 2022 D112361
B2221123Certificate of AnalysisJan 06, 2022 D112361
Chemical and Physical Properties
SolubilitySoluble in water and ethanol, insoluble in ether and benzene.
SensitivityHygroscopic;Air sensitive
Refractive Index1.477
Flash Point(°F)280.4 °F - closed cup
Flash Point(°C)138 °C
Boil Point(°C)217°C
Melt Point(°C)28°C
Molecular Weight105.140 g/mol
XLogP3-1.400
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count3
Rotatable Bond Count4
Exact Mass105.079 Da
Monoisotopic Mass105.079 Da
Topological Polar Surface Area52.500 Ų
Heavy Atom Count7
Formal Charge0
Complexity28.900
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
Alkaline Phosphatase (AP) and Horseradish Peroxidase (HRP) Colorimetric Detection Systems—A Complete Guide: Mechanisms of Soluble Colorimetric vs. Precipitating Substrates, Selection, and Troubleshooting (with Product Navigator Tables 1–3)
The Positioning of pNPP in ALP Testing: Quantitative Detection Logic, Application Scenarios, and Selection Criteria
1K, 2K, Waterborne, Moisture-Curing, and Blocked Systems: Classification Logic and Identification Methods for Polyurethane Coating Curing Systems
Comprehensive Performance Analysis of Polyurethane Coating Films: Soft/Hard Segment Structure, Microphase Separation, Crosslinking and Curing, and Selection of Representative Chemicals
Diethanolamine Assay Method for Enzymatic Determination of Alkaline Phosphatase: Experimental Protocol
What Is the Difference Between Triethanolamine and Diethanolamine: Understanding Their Formulation Functions, Application Differences, and Selection Logic from a Molecular-Structure Perspective
Why Can 6501 (Cocamide DEA) Stabilize Foam and Build Viscosity? Structural Mechanism, 1:1/1:1.5 Differences, and Application Selection
Why Daily Chemical Formulations Need Alkaline Ingredients: From pH Adjustment and Saponification to Detergency Boosting and Selection Logic
From Structure to Selection: Mechanisms and Application Assessment of Low-Foam Oil and Wax Removal with Fatty Acid Methyl Ester Ethoxylates (FMEE)
Bis-Oxazolidine Latent Curing Agents: Turning Moisture from a Foaming Risk into a Trigger for Moisture Curing
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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