N,N′-Dimethylurea - ≥98% , CAS No.96-31-1

CAS: 96-31-1 Cat. No.: D104702 Formula: C3H8N2O Molecular Weight: 88.11 Beilstein Registry Number: 1740672 EC Number: 202-498-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
MFCD00008286 | N,N'-Dimethylurea | 1,3-Dimethyl urea | AI3-24386 | NSC 14910 | sym-Dimethylurea | WAM6DR9I4X | Symmetric dimethylurea | BRN 1740672 | 1,3-DIMETHYLUREA | N,N'-Dimethylharnstoff
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
100g
D104702-100g
1 In stock
1 In stock
€8.59
500g
D104702-500g
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3 In stock

€17.27

€25.95
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 36 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Description
Crystal structure of N,N′-dimethylurea has one molecule in asymmetric unit and two halves are related by an axis of pseudosymmetry. Molecules in crystal are linked by hydrogen bonds.Normal coordinate analysis of N,N′-dimethylurea has been studied using Urey-Bradley force field.Nonlinear optical properties of have been investigated by second-harmonic generation in powder.

Application
N,N′-Dimethylurea can be used:As a starting material to synthesize N,N′-dimethyl-6-amino uracil.In combination with β-cyclodextrin derivatives, to form low melting mixtures (LMMs), which can be used as solvents for hydroformylation and Tsuji-Trost reactions.To synthesize N,N′-disubstituted-4-aryl-3,4-dihydropyrimidinones via Biginelli condensation under solvent-free conditions.

Specifications

Synonyms
MFCD00008286 | N,N'-Dimethylurea | 1,3-Dimethyl urea | AI3-24386 | NSC 14910 | sym-Dimethylurea | WAM6DR9I4X | Symmetric dimethylurea | BRN 1740672 | 1,3-DIMETHYLUREA | N,N'-Dimethylharnstoff
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488180373
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180373
Canonical SmilesCNC(=O)NC
IUPAC Name1,3-dimethylurea
InChIKeyMGJKQDOBUOMPEZ-UHFFFAOYSA-N
INCHI1S/C3H8N2O/c1-4-3(6)5-2/h1-2H3,(H2,4,5,6)
Isomeric SMILES CNC(=O)NC
WGK Germany 1
RTECS YS9868000
Molecular Weight 88.11
Beilstein 1740672
Reaxy-Rn 1740672
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1740672&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
SuperclassOrganic acids and derivatives
ClassOrganic carbonic acids and derivatives
SubclassUreas
Intermediate Tree Nodes Not available
Direct ParentUreas
Alternative Parents Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Urea - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as ureas. These are compounds containing two amine groups joined by a carbonyl (C=O) functional group.
External Descriptors a small molecule
3D Structure
Interactive Chemical Structure Model





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.

35 results found

Lot NumberCertificate TypeDateItem
H2205013Certificate of AnalysisMay 18, 2026 D104702
E2622371Certificate of AnalysisMay 06, 2026 D104702
E2622374Certificate of AnalysisMay 06, 2026 D104702
E2622375Certificate of AnalysisMay 06, 2026 D104702
E2622376Certificate of AnalysisMay 06, 2026 D104702
L2530143Certificate of AnalysisDec 15, 2025 D104702
L2530142Certificate of AnalysisDec 15, 2025 D104702
L2530137Certificate of AnalysisDec 15, 2025 D104702
L2530136Certificate of AnalysisDec 15, 2025 D104702
L2121260Certificate of AnalysisOct 11, 2025 D104702
G2503288Certificate of AnalysisJun 10, 2025 D104702
G2503287Certificate of AnalysisJun 10, 2025 D104702
G2503232Certificate of AnalysisJun 10, 2025 D104702
F2513418Certificate of AnalysisJun 03, 2025 D104702
F2513384Certificate of AnalysisJun 03, 2025 D104702
F2513168Certificate of AnalysisJun 03, 2025 D104702
H2427214Certificate of AnalysisAug 15, 2024 D104702
H2427213Certificate of AnalysisAug 15, 2024 D104702
H2427170Certificate of AnalysisAug 15, 2024 D104702
H2427169Certificate of AnalysisAug 15, 2024 D104702
E2512204Certificate of AnalysisJul 10, 2024 D104702
E2512209Certificate of AnalysisJul 10, 2024 D104702
E2528185Certificate of AnalysisJul 08, 2024 D104702
E2528186Certificate of AnalysisJul 08, 2024 D104702
F2503023Certificate of AnalysisJul 08, 2024 D104702
F2503022Certificate of AnalysisJul 08, 2024 D104702
F2421205Certificate of AnalysisJun 11, 2024 D104702
F2421206Certificate of AnalysisJun 11, 2024 D104702
F2421238Certificate of AnalysisJun 11, 2024 D104702
C2323044Certificate of AnalysisMar 27, 2023 D104702
B2303871Certificate of AnalysisFeb 07, 2023 D104702
H2205014Certificate of AnalysisJul 19, 2022 D104702
H2205012Certificate of AnalysisJul 19, 2022 D104702
H2205011Certificate of AnalysisJul 19, 2022 D104702
J2327292Certificate of AnalysisDec 01, 2021 D104702
Chemical and Physical Properties
SolubilitySoluble in Ethanol: 200 mg plus 4 ml
SensitivityHygroscopic
Flash Point(°F)314.6 °F
Flash Point(°C)157 °C
Boil Point(°C)268-270°C
Melt Point(°C)101-105°C
Molecular Weight88.110 g/mol
XLogP3-0.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass88.0637 Da
Monoisotopic Mass88.0637 Da
Topological Polar Surface Area41.100 Ų
Heavy Atom Count6
Formal Charge0
Complexity46.800
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
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 96-31-1, the molecular formula is C3H8N2O, and the molecular weight is 88.11 g/mol. InChIKey MGJKQDOBUOMPEZ-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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