Phenyl Mercuric Chloride

INCI: PHENYL MERCURIC CHLORIDE

CAS Number
100-56-1
Function
Preservative (mercury-based)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Prohibited under 21 CFR 700.13

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
high
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Fully prohibited in the EU and US. Highly toxic organomercury compound with no permitted cosmetic applications.

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Concern Level: High

Regulatory Flags

preservative

Frequently Asked Questions

Is Phenyl Mercuric Chloride safe in cosmetics?

Fully prohibited in the EU and US. Highly toxic organomercury compound with no permitted cosmetic applications. The EU classifies Phenyl Mercuric Chloride as "prohibited". Safety rating: POOR.

Is Phenyl Mercuric Chloride allowed in the EU?

Phenyl Mercuric Chloride EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Phenyl Mercuric Chloride do in cosmetics?

Phenyl Mercuric Chloride functions as: Preservative (mercury-based). It is classified as a cosmetic ingredient in our database. CAS number: 100-56-1.

What is the Margin of Safety for Phenyl Mercuric Chloride?

adequate 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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