Good Preservative Sensitization Data

Silver Chloride

Also known as: Caswell No. 735A, EINECS 232-033-3, EPA Pesticide Chemical Code 072506, Mark II, UNII-MWB0804EO7 (+2 more)

INCI: SILVER CHLORIDE

Silver Chloride (CAS 7783-90-6) is a cosmetic preservative functioning as Preservative (Antimicrobial). NOAEL 247.7 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 0.004% (as AgCl) - must be 20% AgCl w/w on TiO2 carrier. 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 7783-90-6 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative (Antimicrobial)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
AgCl
MW
143.32 g/mol
EC Number
232-033-3
PubChem CID
24561
IUPAC Name
chlorosilver
InChIKey
HKZLPVFGJNLROG-UHFFFAOYSA-M

Regulatory Status

EU EU Status restricted
EU Max Conc. 0.004% (as AgCl) - must be 20% AgCl w/w on TiO2 carrier
US US Status permitted
US Notes No FDA monograph. No GRAS classification.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

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

Sensitization Profile

Contact sensitization data for Silver Chloride based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis

Source: IVDK; SCCS

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

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex V — Permitted Preservatives
Max: 0.004% (as AgCl)

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (V - Preservatives)
Max: 0.004% (as AgCl).
BRIN Brazil/India Cosmetics
Brazil: Permitted Preservative · max 0,004% (expresso como cloreto de prata)
India: Permitted Preservative · max 0.004% (as AgCl)
Additional Jurisdictional Restrictions (2)
Jurisdiction Status Max % Product Type
IN permitted_preservative 0.004 all cosmetics except products for children <3yr, oral hygiene, eye products and lip products
BR permitted_preservative 0.004 (as AgCl) 0.004% as AgCl (20% AgCl on TiO2 weight); not for children <3 yrs; not in oral products; not in eye area; not in lip products

Additional Ingredient Properties

1 property record from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "no", "allergen_class": "preservative", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "no", "source": "IVDK; SCCS"}

PubChem Annotations

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

Safety (1)
Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).
Source: Toxin and Toxin Target Database (T3DB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
No specific technical function Preservative Processing aids not otherwise specified
Regulatory List Membership (3)
EU Regulated in Personal Care FDA Indirect Food Contact Additives EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Silver Chloride.

Regulatory Flags

EU_RESTRICTED eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Silver Chloride by CAS number or substance name.

Studies
30
Lowest NOAEL
0.34 mg/kg bw/day
Highest NOAEL
400 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

Caswell No. 735A EINECS 232-033-3 EPA Pesticide Chemical Code 072506 Mark II UNII-MWB0804EO7 AgCl [AgCl]

Chemical Function

Preservative No specific technical function Processing aids not otherwise specified

Regulatory Lists

active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides Indirect additives food contact (10/2018) active_ingredient; Europe; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides

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.

ChEMBL ID
CHEMBL4444164
View full pharmaceutical profile →

Frequently Asked Questions

Is Silver Chloride safe in cosmetics?

Silver Chloride has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.

Is Silver Chloride allowed in the EU?

Silver Chloride EU regulatory status: restricted. Maximum allowed concentration: 0.004% (as AgCl) - must be 20% AgCl w/w on TiO2 carrier. This is based on EU Regulation 1223/2009 and its amendments.

What does Silver Chloride do in cosmetics?

Silver Chloride functions as: Preservative (Antimicrobial). It is classified as a Preservative in our database. CAS number: 7783-90-6.

Is Silver Chloride used outside cosmetics?

Silver Chloride 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.

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