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Aromatic building blocks

Sinapaldehyde

Also known as trans-Sinapaldehyde, 2-Propenal, 3-(4-hydroxy-3,5-dimethoxyphenyl)-, (2E)-, (E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)-2-propenal

CAS 4206-58-0Formula C11H12O4Molar mass 208.21 g/molEC 627-731-3
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed
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Sinapaldehyde chemical structure, C11H12O4, CAS 4206-58-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4206-58-0
Formula
C11H12O4
Molar mass
208.21 g/mol
EC number
627-731-3
HS code
291249
Category
Aromatic building blocks

What is Sinapaldehyde?

Plain description, key identifiers and synonyms

(E)-sinapaldehyde is a member of the class of cinnamaldehydes that is cinnamaldehyde substituted by a hydroxy group at position 4 and methoxy groups at positions 3 and 5. It has a role as an antifungal agent and a plant metabolite. It is a member of cinnamaldehydes, a member of phenols and a dimethoxybenzene. It is functionally related to an (E)-cinnamaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enal
CAS number
4206-58-0 CAS number cross-checkedOther or deprecated CAS: 20649-43-8
EC number
627-731-3
Molecular formula
C11H12O4
UNII
4VB87UV6WG
MDL number
MFCD00075980
InChIKey
CDICDSOGTRCHMG-ONEGZZNKSA-N
InChI
InChI=1S/C11H12O4/c1-14-9-6-8(4-3-5-12)7-10(15-2)11(9)13/h3-7,13H,1-2H3/b4-3+
Canonical SMILES
COc1cc(C=CC=O)cc(OC)c1O
Isomeric SMILES
COC1=CC(=CC(=C1O)OC)/C=C/C=O

Synonyms

  • trans-Sinapaldehyde
  • 2-Propenal, 3-(4-hydroxy-3,5-dimethoxyphenyl)-, (2E)-
  • (E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)-2-propenal
  • (E)-3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enal
  • 2-Propenal, 3-(4-hydroxy-3,5-dimethoxyphenyl)-, (E)-
  • Sinapinaldehyde
  • Sinapyl aldehyde
  • Sinapoyl aldehyde
  • (E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)acrylaldehyde
  • trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde
  • Sinapic aldehyde
  • 3,5-Dimethoxy-4-hydroxycinnamaldehyde
  • (2E)-3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enal
  • Trans-3,5-Dimethoxy-4-Hydroxy Cinnamaldehyde
  • (2E)-3-(4-hydroxy-3,5-dimethoxyphenyl)acrylaldehyde
  • ACon1_001103
  • 3,4-dimethoxy-4-hydroxycinnamaldehyde
  • (2E)-3-(4-Hydroxy-3,5-dimethoxyphenyl)-2-propenal
  • Cinnamaldehyde, 4-hydroxy-3,5-dimethoxy-
  • (E)-3,5-Dimethoxy-4-hydroxyphenylpropenaldehyde
  • (E)-3-(4-hydroxy-3,5-dimethoxy-phenyl)prop-2-enal
  • (E)-sinapinaldehyde
  • (E)-sinapaldehyde
  • (2E)-3-(4-hydroxy-3,5-dimethoxyphenyl)-2-propenal, 4-Hydroxy-3,5-dimethoxy-cinnemaldehyde, Sinapic aldehyde, Sinapyl aldehyde, (E)-Sinapinaldehyde
  • (E)-sinapoaldehyde
Show all 34 synonyms
  • (E)-sinapoyl aldehy
  • (E)-sinapoyl aldehyde
  • 3,5-Dimethoxy-4-hydroxycinnamaldehyde (E)
  • 3-(4-Hydroxy-3,5-dimethoxyphenyl)-2-propenal
  • trans-3,5-dimethoxy-4-hydroxy-cinnamic aldehyde
  • trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde, 98%
  • 072ADBB5-241A-428F-B856-9EF1F076A5A6
  • Retention index: SEE J. Agric. Food Chem. 2009, 57, 3217-3227
  • SNY

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
208.21 g/molcalc.
Exact mass
208.0736 Dacalc.
LogP (octanol/water)
1.62calc.
Topological polar surface area
55.76 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.18calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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

Sinapaldehyde suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 2 countries

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Sinapaldehyde 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

Pharmacological actions

  • Cyclooxygenase Inhibitors

Roles

  • antifungal agent
  • antimicrobial agent
  • eukaryotic metabolite
  • metabolite
  • plant metabolite

Functional uses

  • Flavouring and nutrient

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 Sinapaldehyde is traded under.

HS 2912.49Indicative HS code

Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…

World exports in 2024
$159M
−9.6% vs 2023, imports $171M
2019 to 2024
Top exporters
  1. China36.7%
  2. India * partner reported27.5%
  3. Germany13.9%
Top importers
  1. China16.0%
  2. United States15.7%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Sinapaldehyde?

(E)-sinapaldehyde is a member of the class of cinnamaldehydes that is cinnamaldehyde substituted by a hydroxy group at position 4 and methoxy groups at positions 3 and 5. It has a role as an antifungal agent and a plant metabolite. It is a member of cinnamaldehydes, a member of phenols and a dimethoxybenzene.

What is the CAS number of Sinapaldehyde?

The CAS registry number of Sinapaldehyde is 4206-58-0. Other or deprecated CAS numbers: 20649-43-8.

What is the molecular formula and weight of Sinapaldehyde?

The molecular formula of Sinapaldehyde is C11H12O4 and its molar mass is 208.21 g/mol.

What is Sinapaldehyde used for?

Known uses and roles of Sinapaldehyde include building blocks in research and laboratory, screening compounds in research and laboratory, antifungal agent, antimicrobial agent, eukaryotic metabolite and 4 more.

Is Sinapaldehyde hazardous?

Sinapaldehyde 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 Sinapaldehyde?

Sinapaldehyde is usually classified under HS code 291249 (Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Sinapaldehyde?

CompoundList lists 3 suppliers of Sinapaldehyde in China and United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Sinapaldehyde?

Suppliers quote Sinapaldehyde 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 Sinapaldehyde

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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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