Is Calcium Sulfide safe in cosmetics?
Calcium Sulfide has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Calcium Sulfide
INCI: CALCIUM SULFIDE
Calcium Sulfide (CAS 20548-54-3) is a cosmetic cosmetic ingredient functioning as Depilatory agent. EU Regulation 1223/2009 status: restricted, max 6%. 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 20548-54-3 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Calcium Sulfide is classified GHS Danger (H301, H312, H314, H400, H315, H319, H335, H228) in the chemicals database but is restricted in EU cosmetics at max 6%.
Source: Cosmetics: ingredients.eu_status/eu_max; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Depilatory agent
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
calcium sulfide
InChIKey
AGVJBLHVMNHENQ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
EU Max Conc.
6%
US US Status
permitted
US Notes
Adequate within concentration and pH limits
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Calcium Sulfide.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CLP Annex VI Harmonized Classification
Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.
Signal Word
Warning
Pictograms
Harmful / IrritantEnvironmental Hazard
Hazard Class and Category
STOT SE 3; Skin Irrit. 2; Eye Irrit. 2; Aquatic Acute 1
Hazard Statements
- H335 May cause respiratory irritation
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
Inserted via ATP: CLP00
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Depilatory
Expert Verdict
Expert safety assessment and concern-level summary for Calcium Sulfide.
Chemical Function
Depilatory
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Calcium Sulfide allowed in the EU?
Calcium Sulfide EU regulatory status: restricted. Maximum allowed concentration: 6%. This is based on EU Regulation 1223/2009 and its amendments.
What does Calcium Sulfide do in cosmetics?
Calcium Sulfide functions as: Depilatory agent. It is classified as a cosmetic ingredient in our database. CAS number: 20548-54-3.
Is Calcium Sulfide used outside cosmetics?
Calcium Sulfide also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Calcium Sulfide have different safety status in cosmetics vs industrial chemicals?
Calcium Sulfide is classified GHS Danger (H301, H312, H314, H400, H315, H319, H335, H228) in the chemicals database but is restricted in EU cosmetics at max 6%.
Compliance Tools
Check Calcium Sulfide compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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