Phenyl Mercuric Chloride

Also known as: Mercury, chlorophenyl-, Agrenal, Agronal, Benzene, (chloromercurio)-, BRN 3536717 (+15 more)

INCI: PHENYL MERCURIC CHLORIDE

Phenyl Mercuric Chloride (CAS 100-56-1) is a cosmetic cosmetic ingredient functioning as Preservative (mercury-based). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 100-56-1 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative (mercury-based)
Safety Rating
POOR

Chemistry & Identifiers

Formula
C6H5ClHg
MW
313.15 g/mol
PubChem CID
7511
IUPAC Name
chloro(phenyl)mercury
InChIKey
AWGTVRDHKJQFAX-UHFFFAOYSA-M

Regulatory Status

EU EU Status prohibited
US US Status prohibited
US Notes Prohibited under 21 CFR 700.13

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Phenyl Mercuric Chloride.

Calculate MoS for your specific formulation with the MoS Calculator.

PubChem Annotations

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

Safety (2)
Carcinogen Classification
No indication of carcinogenicity (not listed by IARC). (L135)
Source: Toxin and Toxin Target Database (T3DB)
Skin Eye Respiratory Irritation
Exposure of the skin to a concentrated solution of phenylmercury cmpd may cause chemical burns with blistering. /Phenylmercury cmpd/
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Preservative

Expert Verdict

Expert safety assessment and concern-level summary for Phenyl Mercuric Chloride.

Regulatory Flags

preservative

Known Synonyms

Mercury, chlorophenyl- Agrenal Agronal Benzene, (chloromercurio)- BRN 3536717 Caswell No. 656E (Chloromercuri)benzene EINECS 202-865-1 EPA Pesticide Chemical Code 066007 Hexason Mercuriphenyl chloride Merfazin Mersolite 2 Phenyl chloromercury Stopspot Monophenylmercury chloride Chlorid fenylrtutnaty Fenylmercurichlorid Phenylquecksilberchlorid UNII-X0R4ES0U7Z

Chemical Function

Preservative

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Phenyl Mercuric Chloride safe in cosmetics?

Phenyl Mercuric Chloride has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.

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.

Is Phenyl Mercuric Chloride used outside cosmetics?

Phenyl Mercuric Chloride also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Phenyl Mercuric Chloride have different safety status in cosmetics vs industrial chemicals?

Phenyl Mercuric Chloride is prohibited in EU cosmetics but has active industrial GHS classifications (H300, H310, H330, H373, H400, H410).

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