Moderate Cosmetic Ingredient NOAEL Data GHS Classified

Malonic Acid

Also known as: 4-02-00-01874, BRN 1751370, EINECS 205-503-0, USAF EK-695, UNII-9KX7ZMG0MK (+14 more)

INCI: MALONIC ACID

Malonic Acid (CAS 141-82-2) is a cosmetic cosmetic ingredient functioning as Buffering (pH control). NOAEL 10 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 141-82-2 →

Auto-generated CPSR Part A draft with source citations
Function
Buffering (pH control)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C3H4O4
MW
104.06 g/mol
EC Number
205-503-0
PubChem CID
867
IUPAC Name
propanedioic acid
InChIKey
OFOBLEOULBTSOW-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not prohibited or restricted

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Malonic Acid.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Malonic Acid. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =170 mg/kg bw/d oral - developmental toxicity CIR_vision_codex
NOAEL =170 mg/kg bw/d oral - developmental toxicity CIR_vision_codex
NOAEL =170 mg/kg bw/d oral - developmental toxicity CIR_vision_codex
NOAEL =170 mg/kg bw/d oral - developmental toxicity CIR_vision_codex
NOAEL =200 mg/kg bw - rat NOAEL study CIR_vision_codex
NOAEL =200 mg/kg bw - rat NOAEL study CIR_vision_codex
NOAEL =200 mg/kg bw - rat NOAEL study CIR_vision_codex
NOAEL =200 mg/kg bw - rat NOAEL study CIR_vision_codex
NOAEL =250 mg/kg bw oral rat developmental toxicity CIR_vision_codex
NOAEL =250 mg/kg bw oral rat developmental toxicity CIR_vision_codex

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The substance is severely irritating to the eyes and respiratory tract. The substance is irritating to the skin.
Routes of Exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Malonic Acid across SCCS product categories, with measured dermal absorption where available.

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

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (2)
ICSC Safety Card
1085
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Skin Eye Respiratory Irritation
A skin and severe eye irritant.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient pH regulating agent

Expert Verdict

Expert safety assessment and concern-level summary for Malonic Acid.

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Malonic Acid by CAS number or substance name.

Studies
59
Lowest NOAEL
10
Highest NOAEL
3333

Units vary across source rows: mg/kg bw, mg/kg bw/d, mg/kg bw/day

CIR_vision_codex ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

4-02-00-01874 BRN 1751370 EINECS 205-503-0 USAF EK-695 UNII-9KX7ZMG0MK Dicarboxylate Dicarboxylic acid H2malo HOOC-CH2-COOH Kyselina malonova Kyselina malonova [czech] Malonate Malonate dicarboxylic acid Metahnedicarboxylic acid Methanedicarbonic acid Propanedioate Propanedioic acid dithallium salt Propanediolic acid Thallium malonate

Chemical Function

pH regulating agent Flavouring and nutrient

Regulatory Lists

pharmaceutical drinking_water; Europe; manufacturing; plastic_additive Europe Canada; pharmaceutical

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
MALONIC ACID
ChEMBL ID
CHEMBL7942
View full pharmaceutical profile →

Frequently Asked Questions

Is Malonic Acid safe in cosmetics?

Malonic Acid has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.

Is Malonic Acid allowed in the EU?

Malonic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Malonic Acid do in cosmetics?

Malonic Acid functions as: Buffering (pH control). It is classified as a cosmetic ingredient in our database. CAS number: 141-82-2.

What is the NOAEL for Malonic Acid?

The NOAEL (No Observed Adverse Effect Level) for Malonic Acid is =170 mg/kg bw/d based on a developmental toxicity study via oral route in rat. A total of 10 study endpoints are available. Source: CIR_vision_codex.

Is Malonic Acid used outside cosmetics?

Malonic Acid 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 Malonic Acid have different safety status in cosmetics vs industrial chemicals?

Malonic Acid is classified GHS Danger (H302, H315, H318, H319, H335) in the chemicals database but is allowed in EU cosmetics.

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