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Amines and amides

Allylurea

Also known as N-Allylurea, 1-Allylurea, Allylcarbamide

CAS 557-11-9Formula C4H8N2OMolar mass 100.12 g/molEC 209-157-1
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Allylurea chemical structure, C4H8N2O, CAS 557-11-9
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Powder
Melting point
72.2 to 73.9
Solubility
Greater than or equal to 100 mg/mL at 67.1 °F
HS code
292419
Category
Amines and amides
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Allylurea?

Plain description, key identifiers and synonyms

Allyl urea is a cream colored powder. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
prop-2-enylurea
CAS number
557-11-9 CAS number cross-checked
EC number
209-157-1
Molecular formula
C4H8N2O
UNII
0CZM19WLK8
MDL number
MFCD00007954
InChIKey
VPJDULFXCAQHRC-UHFFFAOYSA-N
InChI
InChI=1S/C4H8N2O/c1-2-3-6-4(5)7/h2H,1,3H2,(H3,5,6,7)
SMILES (canonical and isomeric)
C=CCNC(=O)N

Synonyms

  • N-Allylurea
  • 1-Allylurea
  • Allylcarbamide
  • Monoallylurea
  • N-2-Propenylurea
  • Urea, allyl-
  • 2-Propenylurea
  • ALLYL UREA
  • prop-2-enylurea
  • Urea, 2-propenyl-
  • (prop-2-en-1-yl)urea
  • Allyl carbamide
  • 1-prop-2-en-1-ylurea
  • N-2-Propen-1-ylurea
  • Allylharnstoff
  • Urea, N-2-propen-1-yl-
  • allyl-urea
  • N-Allylurea, 95%
  • amino-N-prop-2-enylamide
  • N-(Prop-2-en-1-yl)urea
  • 4-04-00-01070 (Beilstein Handbook Reference)

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
Powderexp.
Melting point
72.2 to 73.9exp.
Solubility
Greater than or equal to 100 mg/mL at 67.1 °Fexp.

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
100.12 g/molcalc.
Exact mass
100.0637 Dacalc.
LogP (octanol/water)
-0.16calc.
Topological polar surface area
55.12 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.25calc.
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

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
Precautionary statements (13)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Allylurea suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Allylurea 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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Allylurea 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 Allylurea is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Allylurea, based on the data on this page

What is Allylurea?

Allyl urea is a cream colored powder. (NTP, 1992)

What is the CAS number of Allylurea?

The CAS registry number of Allylurea is 557-11-9.

What is the molecular formula and weight of Allylurea?

The molecular formula of Allylurea is C4H8N2O and its molar mass is 100.12 g/mol.

What is Allylurea used for?

Known uses and roles of Allylurea include building blocks in research and laboratory.

Is Allylurea hazardous?

Allylurea carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Allylurea?

Allylurea 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 Allylurea?

CompoundList lists 2 suppliers of Allylurea 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 Allylurea?

Suppliers quote Allylurea 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 Allylurea

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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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