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Synthetic aroma chemicals

Aurantiol

Also known as Aurantium, Aurantine, Aurantion

CAS 89-43-0Formula C18H27NO3Molar mass 305.42 g/molEC 201-908-1
GHS signal word: Warning. Pictograms: Harmful or irritant 9 suppliers listed
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Aurantiol chemical structure, C18H27NO3, CAS 89-43-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
89-43-0
Formula
C18H27NO3
Molar mass
305.42 g/mol
Physical form
Liquid
HS code
292529
Category
Synthetic aroma chemicals
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Aurantiol?

Plain description, key identifiers and synonyms

Aurantiol has been reported in Citrus reticulata and Citrus deliciosa.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 2-[(7-hydroxy-3,7-dimethyloctylidene)amino]benzoate
CAS number
89-43-0 CAS number cross-checkedOther or deprecated CAS: 663958-46-1
EC number
201-908-1
Molecular formula
C18H27NO3
UNII
495739WRQE
INCI name
HYDROXYCITRONELLAL METHYL ANTHRANILATE
InChIKey
BFBPISPWJZMWJN-UHFFFAOYSA-N
InChI
InChI=1S/C18H27NO3/c1-14(8-7-12-18(2,3)21)11-13-19-16-10-6-5-9-15(16)17(20)22-4/h5-6,9-10,13-14,21H,7-8,11-12H2,1-4H3
SMILES (canonical and isomeric)
CC(CCCC(C)(C)O)CC=NC1=CC=CC=C1C(=O)OC

Synonyms

  • Aurantium
  • Aurantine
  • Aurantion
  • Hydroxycitronellal methyl anthranilate
  • Methyl N-3,7-dimethyl-7-hydroxyoctylideneanthranilate
  • Benzoic acid, 2-[(7-hydroxy-3,7-dimethyloctylidene)amino]-, methyl ester
  • Benzoic acid, 2-((7-hydroxy-3,7-dimethyloctylidene)amino)-, methyl ester
  • Benzoic acid, 2-((E)-(7-hydroxy-3,7-dimethyloctylidene)amino)-, methyl ester
  • Hydroxycitronellal / methyl anthranilate (Schiff Base)
  • Aurantiol, (+-)-
  • methyl 2-[(7-hydroxy-3,7-dimethyloctylidene)amino]benzoate
  • Aurantiol, (+/-)-
  • Hydroxycitronellylidene methyl anthranilate
  • Methyl 2-((7-hydroxy-3,7-dimethyloctylidene)amino)benzoate
  • Anthranilic acid, N-(7-hydroxy-3,7-dimethyloctylidene)-, methyl ester
  • Methyl 2-((E)-(7-hydroxy-3,7-dimethyloctylidene)amino)benzoate
  • Methyl 2-[(E)-(7-hydroxy-3,7-dimethyloctylidene)amino]benzoate
  • Anthranilic acid,7-dimethyloctylidene)-, methyl ester
  • Benzoic acid,7-dimethyloctylidene)amino]-, methyl ester
  • methyl n-(3,7-dimethyl-7-hydroxyoctylidene)-anthranilate
  • methyl 2-{[(E)-7-hydroxy-3,7-dimethyloctylidene]amino}benzoate
  • N-(7-Hydroxy-3,7-dimethyloctylidene)anthranilic acid methyl ester

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
Liquidexp.

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
305.42 g/molcalc.
Exact mass
305.1991 Dacalc.
LogP (octanol/water)
4.14calc.
Topological polar surface area
58.89 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
8calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.56calc.
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

Hazard statements

  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
Precautionary statements (11)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • 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.
  • 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

Aurantiol suppliers

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

All 9 suppliers
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Where suppliers are based

9 suppliers in 6 countries

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Aurantiol 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

Industrial uses: Fragrance.

Consumer uses: Fragrance.

Cosmetic ingredient, INCI name HYDROXYCITRONELLAL METHYL ANTHRANILATE(perfuming)

Functional uses

  • 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 Aurantiol is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Aurantiol?

Aurantiol has been reported in Citrus reticulata and Citrus deliciosa.

What is the CAS number of Aurantiol?

The CAS registry number of Aurantiol is 89-43-0. Other or deprecated CAS numbers: 663958-46-1.

What is the molecular formula and weight of Aurantiol?

The molecular formula of Aurantiol is C18H27NO3 and its molar mass is 305.42 g/mol.

What is Aurantiol used for?

Industrial uses: Fragrance. Consumer uses: Fragrance.

Is Aurantiol hazardous?

Aurantiol carries the GHS signal word "Warning". Main hazards: 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 Aurantiol?

Aurantiol is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Aurantiol?

CompoundList lists 9 suppliers of Aurantiol in United States, China, Germany, Egypt and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Aurantiol in India?

1 supplier in India list Aurantiol on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Aurantiol?

Suppliers quote Aurantiol 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 Aurantiol

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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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