Moderate Cosmetic Ingredient NOAEL Data GHS Classified

Malonic Acid

INCI: MALONIC ACID

CAS Number
141-82-2
Function
Buffering (pH control)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not prohibited or restricted

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 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 100 mg/kg bw/day oral rat oral REACH
NOAEL 10 mg/kg bw/day oral rat oral REACH
NOAEL >667 mg/kg bw/day oral mouse oral REACH

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.

Expert Verdict

GHS classification H302 (harmful if swallowed) and H318 (causes serious eye damage); corrosive/irritant at high concentrations - in-use concentration must be controlled carefully. A synthetic, saturated dicarboxylic acid (propanedioic acid, C₃H₄O₄); melting point 132-135 °C; highly water-soluble; density 1.6 g/cm³. Not to be confused with malic acid (CAS 97-67-6), which is a different compound despite similar naming.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Malonic Acid safe in cosmetics?

GHS classification H302 (harmful if swallowed) and H318 (causes serious eye damage); corrosive/irritant at high concentrations - in-use concentration must be controlled carefully. A synthetic, saturated dicarboxylic acid (propanedioic acid, C₃H₄O₄); melting point 132-135 °C; highly water-soluble; density 1.6 g/cm³. Not to be confused with malic acid (CAS 97-67-6), which is a different compound despite similar naming. The EU classifies Malonic Acid as "permitted". Safety rating: MODERATE. 3 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 Margin of Safety for Malonic Acid?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Malonic Acid?

The NOAEL (No Observed Adverse Effect Level) for Malonic Acid is 100 mg/kg bw/day based on a oral study via oral route in rat. A total of 3 study endpoints are available. Source: REACH.

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