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Synthetic aroma chemicals

Hydroxycitronellal

Also known as 7-Hydroxy-3,7-dimethyloctanal, 7-Hydroxycitronellal, 3,7-Dimethyl-7-hydroxyoctanal

CAS 107-75-5Formula C10H20O2Molar mass 172.27 g/molEC 203-518-7
GHS signal word: Warning. Pictograms: Harmful or irritant 28 suppliers listed
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Hydroxycitronellal chemical structure, C10H20O2, CAS 107-75-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
107-75-5
Formula
C10H20O2
Molar mass
172.27 g/mol
Physical form
Liquid
HS code
291249
Category
Synthetic aroma chemicals
Illustrative photo, closed amber glass reagent bottles on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Hydroxycitronellal?

Plain description, key identifiers and synonyms

Hydroxycitronellal is the tertiary alcohol arising from addition of water across the C=C double bond of citronellal. It has a role as a fragrance and an allergen. It is functionally related to a citronellal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
7-hydroxy-3,7-dimethyloctanal
CAS number
107-75-5 CAS number cross-checked
EC number
203-518-7
Molecular formula
C10H20O2
UNII
8SQ0VA4YUR
MDL number
MFCD00014681
INCI name
HYDROXYCITRONELLAL
InChIKey
WPFVBOQKRVRMJB-UHFFFAOYSA-N
InChI
InChI=1S/C10H20O2/c1-9(6-8-11)5-4-7-10(2,3)12/h8-9,12H,4-7H2,1-3H3
SMILES (canonical and isomeric)
CC(CCCC(C)(C)O)CC=O

Synonyms

  • 7-Hydroxy-3,7-dimethyloctanal
  • 7-Hydroxycitronellal
  • 3,7-Dimethyl-7-hydroxyoctanal
  • Citronellal hydrate
  • Phixia
  • Cyclalia
  • Cyclosia
  • Laurine
  • Fixol
  • Lilyl aldehyde
  • Muguettine principle
  • Octanal, 7-hydroxy-3,7-dimethyl-
  • Musuettine principle
  • Oxydihydrocitronellal
  • hydroxy citronellal
  • 1-Octanal, 3,7-dimethyl-7-hydroxy-
  • 3,7-dimethyl-7-hydroxyoctan-1-al
  • Muguet
  • Musuet
  • Muguet synthetic
  • Musuet synthetic
  • Citronellal, hydroxy-
  • 7-Hydroxy-3,7-dimethyloctan-1-al
  • 7-Hydroxy-3,7-dimethyl octanal
  • 7-Hydroxy-3,7-dimethyloctanol
Show all 35 synonyms
  • 7-hydroxy-3,7-dimethyl-octanal
  • Octanol, 7-hydroxy-3,7-dimethyl-
  • Octanal,7-dimethyl-
  • 4-01-00-04058 (Beilstein Handbook Reference)
  • 7-Hydroxy-3,7-dimethyloctanal,
  • 1-Octanal,7-dimethyl-7-hydroxy-
  • 7-hydroxy-3,7-dimethyl-caprylaldehyde
  • Hydroxycitronellal, analytical standard
  • Hydroxycitronellal, >=95%, FCC, FG
  • 3,7-Dimethyl-7-hydroxy-octanal

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
172.27 g/molcalc.
Exact mass
172.1463 Dacalc.
LogP (octanol/water)
2.15calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
6calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.9calc.
Formal charge
0calc.
Stereocentres
1calc.
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

  • 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

Hydroxycitronellal suppliers

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

All 28 suppliers
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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

28 suppliers in 10 countries

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Hydroxycitronellal 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

Industrial uses: Fragrance.

Consumer uses: Fragrance.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name HYDROXYCITRONELLAL(perfuming)

Roles

  • aetiopathogenetic role
  • allergen
  • fragrance

Functional uses

  • Deodorizer
  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Pharmacology

Hydroxycitronellal is a Standardized Chemical Allergen. The physiologic effect of hydroxycitronellal is by means of Increased Histamine Release and Cell-mediated Immunity.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • EU Cosmetics Regulation Annex III, restricted in cosmetics
    Name: HYDROXYCITRONELLAL, Ref no: 72, Annex ref: III/72

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 Hydroxycitronellal 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 Hydroxycitronellal is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Hydroxycitronellal?

Hydroxycitronellal is the tertiary alcohol arising from addition of water across the C=C double bond of citronellal. It has a role as a fragrance and an allergen. It is functionally related to a citronellal.

What is the CAS number of Hydroxycitronellal?

The CAS registry number of Hydroxycitronellal is 107-75-5.

What is the molecular formula and weight of Hydroxycitronellal?

The molecular formula of Hydroxycitronellal is C10H20O2 and its molar mass is 172.27 g/mol.

What is Hydroxycitronellal used for?

Industrial uses: Fragrance. Consumer uses: Fragrance. Use classes: Cosmetics.

Is Hydroxycitronellal hazardous?

Hydroxycitronellal 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 Hydroxycitronellal?

Hydroxycitronellal 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 Hydroxycitronellal?

CompoundList lists 28 suppliers of Hydroxycitronellal in India, China, United States, Germany and 6 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Hydroxycitronellal in India?

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

What is the price of Hydroxycitronellal?

Suppliers quote Hydroxycitronellal 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 Hydroxycitronellal

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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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