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Synthetic aroma chemicals

2-Phenylpropanal

Also known as 2-Phenylpropionaldehyde, Hydratropaldehyde, Hydratropic aldehyde

CAS 93-53-8Formula C9H10OMolar mass 134.18 g/molEC 202-255-5
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 16 suppliers listed
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2-Phenylpropanal chemical structure, C9H10O, CAS 93-53-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
93-53-8
Formula
C9H10O
Molar mass
134.18 g/mol
EC number
202-255-5
HS code
291229
Category
Synthetic aroma chemicals

What is 2-Phenylpropanal?

Plain description, key identifiers and synonyms

2-phenylpropanal is a member of the class of phenylacetaldehydes that is phenylacetaldehyde in which a hydrogen alpha to the aldehyde carbonyl group has been replaced by a methyl group. The major species at pH 7.3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-phenylpropanal
CAS number
93-53-8 CAS number cross-checkedOther or deprecated CAS: 1340-11-0, 34713-70-7
EC number
202-255-5
Molecular formula
C9H10O
UNII
8JKX55PKZQ
MDL number
MFCD00006973
INCI name
HYDRATROPIC ALDEHYDE
InChIKey
IQVAERDLDAZARL-UHFFFAOYSA-N
InChI
InChI=1S/C9H10O/c1-8(7-10)9-5-3-2-4-6-9/h2-8H,1H3
SMILES (canonical and isomeric)
CC(C=O)C1=CC=CC=C1

Synonyms

  • 2-Phenylpropionaldehyde
  • Hydratropaldehyde
  • Hydratropic aldehyde
  • Hyacinthal
  • Cumene aldehyde
  • Hydratropa aldehyde
  • Hydrotropic aldehyde
  • 2-Phenyl-1-propanal
  • alpha-Phenylpropionaldehyde
  • alpha-Formylethylbenzene
  • Aldehyd hydratropovy
  • alpha-Methylphenylacetaldehyde
  • alpha-Methylbenzeneacetaldehyde
  • 2-phenylpropanaldehyde
  • alpha-Methyl-alpha-toluic aldehyde
  • BENZENEACETALDEHYDE, alpha-METHYL-
  • 2-Phenylpropenal
  • 2-Phenyl propionaldehyde
  • alpha-Phenylpropanal
  • 2-Fenyl-1-propanal
  • Propionaldehyde, 2-phenyl-
  • alpha-Methyltolualdehyde
  • Cumene aldehyde (VAN)
  • dl-2-Phenylpropionaldehyde
  • alpha-Phenyl propionaldehyde
Show all 31 synonyms
  • alpha-Methyl phenylacetaldehyde
  • alpha-Methylbenzenealdehydealpha-
  • 2-phenyl-propionaldehyde
  • (1-formylethyl)-Benzene
  • alpha-Tolualdehyde, alpha-methyl-
  • (2R)-2-phenylpropanal

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
134.18 g/molcalc.
Exact mass
134.0732 Dacalc.
LogP (octanol/water)
1.99calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
1calc.
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H361Suspected of damaging fertility or the unborn child.
Precautionary statements (16)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

2-Phenylpropanal suppliers

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

All 16 suppliers
16 of 16 offers

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

16 suppliers in 7 countries

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2-Phenylpropanal price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name HYDRATROPIC ALDEHYDE(perfuming)

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active 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 2-Phenylpropanal is traded under.

HS 2912.29Indicative HS code

Cyclic aldehydes without other oxygen function, other

World exports in 2024
$435M
+19.0% vs 2023, imports $484M
2019 to 2024
Top exporters
  1. China19.5%
  2. Japan17.4%
  3. India * partner reported13.0%
Top importers
  1. United States22.5%
  2. China9.2%
  3. Singapore8.4%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Phenylpropanal is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Phenylpropanal, based on the data on this page

What is 2-Phenylpropanal?

2-phenylpropanal is a member of the class of phenylacetaldehydes that is phenylacetaldehyde in which a hydrogen alpha to the aldehyde carbonyl group has been replaced by a methyl group. The major species at pH 7.3.

What is the CAS number of 2-Phenylpropanal?

The CAS registry number of 2-Phenylpropanal is 93-53-8. Other or deprecated CAS numbers: 1340-11-0, 34713-70-7.

What is the molecular formula and weight of 2-Phenylpropanal?

The molecular formula of 2-Phenylpropanal is C9H10O and its molar mass is 134.18 g/mol.

What is 2-Phenylpropanal used for?

Known uses and roles of 2-Phenylpropanal include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, aldehydes and ketones in flavors and fragrances, perfuming, flavouring and nutrient and 1 more.

Is 2-Phenylpropanal hazardous?

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

What is the HS code of 2-Phenylpropanal?

2-Phenylpropanal is usually classified under HS code 291229 (Cyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Phenylpropanal?

CompoundList lists 16 suppliers of 2-Phenylpropanal in China, India, United States, Canada and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 2-Phenylpropanal in India?

5 suppliers in India list 2-Phenylpropanal on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 2-Phenylpropanal?

Suppliers quote 2-Phenylpropanal 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 2-Phenylpropanal

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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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