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Carboxylic acids and anhydrides

(E)-Cinnamate

Also known as trans-Cinnamate, (2E)-3-phenylprop-2-enoate, cinnamate

CAS 4151-45-5Formula C9H7O2-Molar mass 147.15 g/mol
2 suppliers listed
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(E)-Cinnamate chemical structure, C9H7O2-, CAS 4151-45-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4151-45-5
Formula
C9H7O2-
Molar mass
147.15 g/mol
HS code
291639
Category
Carboxylic acids and anhydrides

What is (E)-Cinnamate?

Plain description, key identifiers and synonyms

Cinnamate is a member of the class of cinnamates that results from the deprotonation of the carboxy group of cinnamic acid. It is a phenylpropanoid and a member of cinnamates. It is a conjugate base of a cinnamic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-phenylprop-2-enoate
CAS number
4151-45-5
Molecular formula
C9H7O2-
InChIKey
WBYWAXJHAXSJNI-VOTSOKGWSA-M
InChI
InChI=1S/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/p-1/b7-6+
Canonical SMILES
O=C([O-])C=Cc1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)/C=C/C(=O)[O-]

Synonyms

  • trans-Cinnamate
  • (2E)-3-phenylprop-2-enoate
  • cinnamate
  • Cinnamic acid, ion(1-)
  • 2-Propenoic acid, 3-phenyl-, ion(1-)
  • (E)-3-phenylprop-2-enoate
  • 3-phenylacrylate
  • 3-phenyl-2-propenoate
  • 3-phenylprop-2-enoate
  • (E)-cinnamate (incorrect)
  • trans-cinnamate (incorrect)
  • trans-cinnamic acid (incorrect)
  • 3-phenyl-2-propenoic acid, ion(1-)
  • (E)-3-phenyl-2-prop -2-enoic acid

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
147.15 g/molcalc.
Exact mass
147.0452 Dacalc.
LogP (octanol/water)
0.45calc.
Topological polar surface area
40.13 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
-1calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

(E)-Cinnamate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers
  • Ambinter
    France, OrleansUnclaimed profile
    (E)-CinnamateGrade, purity and minimum order on request
    Price on request
    View
  • EvitaChem
    China, BeijingUnclaimed profile
    (E)-CinnamateGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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(E)-Cinnamate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

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 (E)-Cinnamate is traded under.

HS 2916.39Indicative HS code

Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$706M
−6.8% vs 2023, imports $714M
2019 to 2024
Top exporters
  1. China49.0%
  2. India * partner reported16.2%
  3. Germany13.2%
Top importers
  1. India * partner reported14.5%
  2. United States12.2%
  3. Germany8.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (E)-Cinnamate, based on the data on this page

What is (E)-Cinnamate?

Cinnamate is a member of the class of cinnamates that results from the deprotonation of the carboxy group of cinnamic acid. It is a phenylpropanoid and a member of cinnamates. It is a conjugate base of a cinnamic acid.

What is the CAS number of (E)-Cinnamate?

The CAS registry number of (E)-Cinnamate is 4151-45-5.

What is the molecular formula and weight of (E)-Cinnamate?

The molecular formula of (E)-Cinnamate is C9H7O2- and its molar mass is 147.15 g/mol.

What is (E)-Cinnamate used for?

Known uses and roles of (E)-Cinnamate include building blocks in research and laboratory, screening compounds in research and laboratory, eukaryotic metabolite, metabolite and plant metabolite.

Is (E)-Cinnamate hazardous?

No GHS hazard classification for (E)-Cinnamate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of (E)-Cinnamate?

(E)-Cinnamate is usually classified under HS code 291639 (Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (E)-Cinnamate?

CompoundList lists 2 suppliers of (E)-Cinnamate in China and France. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of (E)-Cinnamate?

Suppliers quote (E)-Cinnamate 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 (E)-Cinnamate

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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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