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Cosmetic antioxidants

Hthq

Also known as 1-O-Hexyl-2,3,5-trimethylhydroquinone, 4-(Hexyloxy)-2,3,6-trimethylphenol, Phenol, 4-(hexyloxy)-2,3,6-trimethyl-

CAS 148081-72-5Formula C15H24O2Molar mass 236.36 g/mol
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Hthq chemical structure, C15H24O2, CAS 148081-72-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
148081-72-5
Formula
C15H24O2
Molar mass
236.36 g/mol
HS code
290950
Category
Cosmetic antioxidants

What is Hthq?

Plain description, key identifiers and synonyms

Hthq is a chemical substance with the molecular formula C15H24O2 and a molar mass of 236.36 g/mol. Its CAS registry number is 148081-72-5. The IUPAC name is 4-hexoxy-2,3,6-trimethylphenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-hexoxy-2,3,6-trimethylphenol
CAS number
148081-72-5 CAS number cross-checked
Molecular formula
C15H24O2
UNII
70BK60I8RP
MDL number
MFCD00927896
INCI name
HEXYLOXY TRIMETHYLPHENOL
InChIKey
ATMNQRRJNBCQJO-UHFFFAOYSA-N
InChI
InChI=1S/C15H24O2/c1-5-6-7-8-9-17-14-10-11(2)15(16)13(4)12(14)3/h10,16H,5-9H2,1-4H3
SMILES (canonical and isomeric)
CCCCCCOC1=C(C(=C(C(=C1)C)O)C)C

Synonyms

  • 1-O-Hexyl-2,3,5-trimethylhydroquinone
  • 4-(Hexyloxy)-2,3,6-trimethylphenol
  • Phenol, 4-(hexyloxy)-2,3,6-trimethyl-
  • hexyloxy trimethylphenol
  • HTHQ-2,3,5
  • 4-hexoxy-2,3,6-trimethylphenol
  • 4-Hexyloxy-2,3,6-trimethylphenol
  • HX 1171
  • Phenol,4-(hexyloxy)-2,3,6-trimethyl-
  • 4-(Hexyloxy)-2,3,6-trimethyl-phenol
  • HTHQ?
  • (1S-(1alpha,3beta,4alpha,5al
  • 4-hexoxy-2,3,6-trimethyl-phenol
  • HTHQ(1-O-Hexyl-2,3,5-trimethylhydroquinone)
  • HTHQ (1-O-Hexyl-2,3,5-trimethylhydroquinone)
  • Hexyl-2,3,5-trimethylhydroquinone, 1-o-

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
236.36 g/molcalc.
Exact mass
236.1776 Dacalc.
LogP (octanol/water)
4.28calc.
Topological polar surface area
29.46 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
6calc.
Heavy atoms
17calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.6calc.
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

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.

Hthq suppliers

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Hthq 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

Cosmetic ingredient, INCI name HEXYLOXY TRIMETHYLPHENOL(antioxidant, uv absorber)

Functional uses

  • Antioxidant
  • UV stabilizer

Cosmetic functions

  • Antioxidant
  • UV absorber

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hthq is traded under.

HS 2909.50Indicative HS code

Ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or…

World exports in 2024
$284M
+11.9% vs 2023, imports $291M
2019 to 2024
Top exporters
  1. India * partner reported32.9%
  2. Indonesia17.7%
  3. France * partner reported11.2%
Top importers
  1. China20.7%
  2. United States12.0%
  3. Brazil6.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Hthq?

Hthq is a chemical substance with the molecular formula C15H24O2 and a molar mass of 236.36 g/mol. Its CAS registry number is 148081-72-5. The IUPAC name is 4-hexoxy-2,3,6-trimethylphenol.

What is the CAS number of Hthq?

The CAS registry number of Hthq is 148081-72-5.

What is the molecular formula and weight of Hthq?

The molecular formula of Hthq is C15H24O2 and its molar mass is 236.36 g/mol.

What is Hthq used for?

Known uses and roles of Hthq include uv filters in cosmetics and personal care, antioxidants in cosmetics and personal care, uv stabilizers in plastics and polymers, antioxidant, uv absorber and 1 more.

Is Hthq hazardous?

No GHS hazard classification for Hthq 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 Hthq?

Hthq is usually classified under HS code 290950 (Ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hthq?

Post a free request on CompoundList and suppliers of Hthq will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hthq?

Suppliers quote Hthq 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 Hthq

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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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