Dimethyl Hydroxymethyl Pyrazole

INCI: DIMETHYL HYDROXYMETHYL PYRAZOLE

CAS Number
85264-33-1
Function
Antimicrobial (formaldehyde releaser)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no CFR prohibition; limited reported cosmetic use

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Formaldehyde-releasing antimicrobial with skin, eye, and respiratory irritation potential (GHS H315/H319/H335); EU formaldehyde-releaser labeling may apply if free formaldehyde exceeds 0.05%; limited published dermal safety data available.

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Concern Level: Moderate

Frequently Asked Questions

Is Dimethyl Hydroxymethyl Pyrazole safe in cosmetics?

Formaldehyde-releasing antimicrobial with skin, eye, and respiratory irritation potential (GHS H315/H319/H335); EU formaldehyde-releaser labeling may apply if free formaldehyde exceeds 0.05%; limited published dermal safety data available. The EU classifies Dimethyl Hydroxymethyl Pyrazole as "permitted". Safety rating: MODERATE.

Is Dimethyl Hydroxymethyl Pyrazole allowed in the EU?

Dimethyl Hydroxymethyl Pyrazole EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethyl Hydroxymethyl Pyrazole do in cosmetics?

Dimethyl Hydroxymethyl Pyrazole functions as: Antimicrobial (formaldehyde releaser). It is classified as a cosmetic ingredient in our database. CAS number: 85264-33-1.

What is the Margin of Safety for Dimethyl Hydroxymethyl Pyrazole?

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.

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