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Amines and amides

sym-Diethylurea

Also known as 1,3-Diethylurea, N,N'-Diethylurea, Urea, N,N'-diethyl-

CAS 623-76-7Formula C5H12N2OMolar mass 116.16 g/molEC 210-811-3
GHS signal word: Warning. Pictograms: Harmful or irritant 6 suppliers listed
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sym-Diethylurea chemical structure, C5H12N2O, CAS 623-76-7
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Solid
Melting point
112.5 °C
Boiling point
263 °C
HS code
292419
Category
Amines and amides
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is sym-Diethylurea?

Plain description, key identifiers and synonyms

sym-Diethylurea is a chemical substance with the molecular formula C5H12N2O and a molar mass of 116.16 g/mol. Its CAS registry number is 623-76-7. The IUPAC name is 1,3-diethylurea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-diethylurea
CAS number
623-76-7 CAS number cross-checked
EC number
210-811-3
Molecular formula
C5H12N2O
UNII
1JWC8EN6FM
MDL number
MFCD00009028
InChIKey
ZWAVGZYKJNOTPX-UHFFFAOYSA-N
InChI
InChI=1S/C5H12N2O/c1-3-6-5(8)7-4-2/h3-4H2,1-2H3,(H2,6,7,8)
SMILES (canonical and isomeric)
CCNC(=O)NCC

Synonyms

  • 1,3-Diethylurea
  • N,N'-Diethylurea
  • Urea, N,N'-diethyl-
  • Urea, 1,3-diethyl-
  • Urea, N,N'-diethyl
  • Urea, N,N'-diethyl (9CI)
  • symDiethylurea
  • n,n'diethylurea
  • Urea, 1,3diethyl
  • Urea, N,N'diethyl
  • Urea, N,N'diethyl (9CI)
  • sym-N,N'-Diethylurea
  • N-ethyl(ethylamino)carboxamide
  • Urea,3-diethyl-
  • Urea,N'-diethyl-
  • 1,3-diethyl-urea
  • 1,3-Diethyl urea
  • Diethylurea symmetrical
  • 1,3-Diethylurea, 97%

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Solidexp.
Melting point
112.5 °Cexp.
Boiling point
263 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
116.16 g/molcalc.
Exact mass
116.095 Dacalc.
LogP (octanol/water)
0.33calc.
Topological polar surface area
41.13 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

sym-Diethylurea suppliers

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Where suppliers are based

6 suppliers in 1 country

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sym-Diethylurea price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code sym-Diethylurea is traded under.

HS 2924.19Indicative HS code

Acyclic amides (including acyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$2.38B
−1.7% vs 2023, imports $2.22B
2019 to 2024
Top exporters
  1. China34.7%
  2. Germany12.5%
  3. India * partner reported6.8%
Top importers
  1. United States17.5%
  2. Germany8.8%
  3. India * partner reported6.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for sym-Diethylurea is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about sym-Diethylurea, based on the data on this page

What is sym-Diethylurea?

sym-Diethylurea is a chemical substance with the molecular formula C5H12N2O and a molar mass of 116.16 g/mol. Its CAS registry number is 623-76-7. The IUPAC name is 1,3-diethylurea.

What is the CAS number of sym-Diethylurea?

The CAS registry number of sym-Diethylurea is 623-76-7.

What is the molecular formula and weight of sym-Diethylurea?

The molecular formula of sym-Diethylurea is C5H12N2O and its molar mass is 116.16 g/mol.

What is sym-Diethylurea used for?

Known uses and roles of sym-Diethylurea include building blocks in research and laboratory.

Is sym-Diethylurea hazardous?

sym-Diethylurea carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of sym-Diethylurea?

sym-Diethylurea is usually classified under HS code 292419 (Acyclic amides (including acyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy sym-Diethylurea?

CompoundList lists 6 suppliers of sym-Diethylurea in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of sym-Diethylurea?

Suppliers quote sym-Diethylurea on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle sym-Diethylurea

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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