Also known as: 3-(4-CHLOROPHENOXY)-1,2-PROPANEDIOL, 1,2-Propanediol, 3-(4-chlorophenoxy)-, 2-Chlorphenesin, p-Chlorophenyl glyceryl ether, 4-06-00-00831 (+8 more)
INCI: CHLORPHENESIN
Chlorphenesin (CAS 104-29-0) is a cosmetic preservative functioning as Preservative; antimicrobial. NOAEL 100 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 0.3%; 1 safety opinion reviewed (CIR Safety Assessment). Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
US NotesPermitted; no concentration cap under FDA/MoCRA; cited as a preferable alternative to benzalkonium chloride for eye-area formulations
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Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Chlorphenesin.
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Safety Opinions
Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).
CIR Safety Assessment
Verdict: safe
ailable data demonstrated an absence of toxicity. The Panel concluded that chlorphenesin is safe in the present practices of use and concentration. Keywords chlorphenesin, safety, cosmetics Introduction As stated in the International Cosmetic Ingredient Dictionary and Handbook,1 chlorphenesin fu
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Chlorphenesin across SCCS product categories, with measured dermal absorption where available.
Sensitization Profile
Contact sensitization data for Chlorphenesin based on clinical patch test studies and IFRA standards.
Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
Source: ESSCA; IVDK; NACDG
Dermal Penetration Profile
Skin absorption and penetration characteristics of Chlorphenesin, relevant to systemic exposure and MoS calculations.
Absorption %
12-20%
Penetration Level
epidermis
Penetration Depth
epidermis/dermis
Molecular Weight
202.6 Da
Log P
1.88
Systemic Absorption
yes
Topical Bioavailability
8-16%
Safety Margin Factor
moderate
Vehicle Dependent
Yes — absorption varies by formulation
Source: SCCS Opinion
Endocrine Disruptor Evidence (Expanded)
Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.
Cosmetic-Specific Mechanism
Category:preservative
Receptor targets:ERα
LOEC:50 µM
EU status:restricted (max 0.3%)
weak agonist
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex V — Permitted Preservatives
Max: 0.3%
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
KR Korea MFDS Annex 2 (Restricted)
Category: Preservative. Max: 0.3%. —
SA Saudi SFDA (V - Preservatives)
Max: 0.003.
JPKR Japan/Korea Cosmetics
Japan (Positive (Preservative)): max 0.30
Japan (Restricted): max Wash-away: 0.30% | Leave-on: 0.30% | Mucosa: Prohibited
Europe; Personal carepharmaceuticalactive_ingredient; Europe; PesticidesCanada; pharmaceuticalCanada; pharmaceuticalEurope; Personal care - oral and dental care - teeth whitenerCanada; consumer_product; Substances in Products - Canada (4/2014)
Australian Status
AICIS status:listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCEChEMBL / DrugCentral / FAERSDB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Chlorphenesin has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted. This ingredient has been reviewed by CIR Safety Assessment.
Is Chlorphenesin allowed in the EU?
Chlorphenesin EU regulatory status: restricted. Maximum allowed concentration: 0.3%. This is based on EU Regulation 1223/2009 and its amendments.
What does Chlorphenesin do in cosmetics?
Chlorphenesin functions as: Preservative; antimicrobial. It is classified as a Preservative in our database. CAS number: 104-29-0.
Is Chlorphenesin used outside cosmetics?
Chlorphenesin also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Chlorphenesin have different safety status in cosmetics vs industrial chemicals?
Chlorphenesin is classified GHS Danger (H302, H315, H318, H319, H332, H335) in the chemicals database but is restricted in EU cosmetics at max 0.3%.
Compliance Tools
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