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Annex III Entry 345 03/10/2023

Trimethylbenzenepropanol

3-(2,2-Dimethyl- 3-hydroxypropyl) toluene

Trimethylbenzenepropanol is listed in Annex III and may only be used under the conditions shown in this record.

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Restricted substance— Annex III, EU Regulation 1223/2009
Entry: 345

Chemical identity and properties

PubChem 2D chemical structure for CAS 103694-68-4
CAS 103694-68-4PubChem CID 175948

Majantol

IUPAC name
2,2-dimethyl-3-(3-methylphenyl)propan-1-ol
Molecular formula
C12H18O
Molecular weight
178.27 g/mol
Exact mass
178.135765193 Da
XLogP3
3.1
Topological polar surface area
20.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

Benzenepropanol, beta,beta,3-trimethyl-7S411YY2VYRefChem:899824403-140-42,2-Dimethyl-3-(m-tolyl)propan-1-olTrimethylbenzenepropanol2,2-Dimethyl-3-(3-methylphenyl)propanolUNII-7S411YY2VY
16 more reported names
2,2-DIMETHYL-3-(3-METHYLPHENYL) PROPANOL3-(2,2-dimethyl-3-hydroxypropyl)tolueneBenzenepropanol, .beta.,.beta.,3-trimethyl-2,2-Dimethyl-3-(3-tolyl)propan-1-ol2,2-Dimethyl-3-(m-tolyl)-1-propanol2,2-dimethyl-3-(3-methylphenyl)-propanol2,2-dimethyl-3-(3-methylphenyl)-propan-1-olEC 403-140-4MAJANTOL 105852|A,|A,3-Trimethylbenzenepropanol2,2-dimethyl-3-m-tolylpropan-1-olDS-8015Majantol 1000 microg/mL in AcetonitrileCS-0153220EN300-1218098beta,beta,3-Trimethylbenzenepropanol, analytical standard
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match175948

Attributed physical-property, hazard, environmental and use annotations.

  • GHS Hazard Statements: H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Precautionary Statement Codes: P273, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • GHS Hazard Statements: H412 (100%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P273, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1551 reports by companies from 2 notifications to the ECHA C&L Inventory.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 114 reports by companies from 3 notifications to the ECHA C&L Inventory.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
  • Precautionary Statement Codes: P273, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBINo exact record2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Other restrictions

The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

INCI glossary name

Trimethylbenzenepropanol

Chemical name

3-(2,2-Dimethyl- 3-hydroxypropyl) toluene

Regulatory information

Regulation

(EU) 2023/1545

See every entry this act set

Identified ingredients

Key data

CAS
103694-68-4
EC
403-140-4
Annex
III
Entry number
345

Inventory links for Trimethylbenzenepropanol

Direct matches are limited for this record, so nearby entries from Annex III are shown as well.

Annex III 346
Nearby record in the same annex

Vanillin

CAS: 121-33-5
EC: 204-465-2
Annex III 343
Nearby record in the same annex

Terpineol

CAS: 8000-41-7/ 98-55-5/ 138-87-4/ 586-81-2
EC: 232-268-1/ 202-680-6/ 205-342-6/ 209-584-3
Annex III 342
Nearby record in the same annex

Sclareol

CAS: 515-03-7
EC: 208-194-0
Annex III 341
Nearby record in the same annex

Santalol

CAS: 11031-45-1/ 115-71-9/ 77-42-9
EC: 234-262-4/ 204-102-8/ 201-027-2
Annex III 340
Nearby record in the same annex

Salicylaldehyde

CAS: 90-02-8
EC: 201-961-0

What Annex III means for Trimethylbenzenepropanol

Trimethylbenzenepropanol is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.

When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Document conditions of use in the Product Information File (PIF).

Frequently asked questions

Trimethylbenzenepropanol is listed in Annex III of EU Regulation 1223/2009 as a restricted substance. It may only be used under the conditions specified in the entry, including any maximum concentration, product type limitation and required warning statements shown above.

CAS 103694-68-4 is the unique numerical identifier assigned to Trimethylbenzenepropanol by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.
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Source note for Annex III record Trimethylbenzenepropanol

This page summarizes one Annex III record for Trimethylbenzenepropanol from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex III conditions for Trimethylbenzenepropanol, but confirm any final regulatory decision against the current official annex wording and source files.

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