Erbium Chloride

INCI: ERBIUM CHLORIDE

CAS Number
10138-41-7 (anhydrous); 10025-75-9 (hexahydrate) [^1_9][^1_10]
Function
Colorant, bulking agent (rare earth metal salt)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not listed in 21 CFR for cosmetic use. TSCA listed as industrial chemical.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

GHS hazard statements H315/H319/H335; skin and eye irritant; respiratory irritant on inhalation; rare earth metals raise bioaccumulation concerns; no SCCS opinion; no CIR review; not recommended for cosmetic use without full toxicological dossier.

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Concern Level: High

Regulatory Flags

colorant

Frequently Asked Questions

Is Erbium Chloride safe in cosmetics?

GHS hazard statements H315/H319/H335; skin and eye irritant; respiratory irritant on inhalation; rare earth metals raise bioaccumulation concerns; no SCCS opinion; no CIR review; not recommended for cosmetic use without full toxicological dossier. The EU classifies Erbium Chloride as "permitted". Safety rating: POOR.

Is Erbium Chloride allowed in the EU?

Erbium Chloride EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Erbium Chloride do in cosmetics?

Erbium Chloride functions as: Colorant, bulking agent (rare earth metal salt). It is classified as a cosmetic ingredient in our database. CAS number: 10138-41-7 (anhydrous); 10025-75-9 (hexahydrate) [^1_9][^1_10].

What is the Margin of Safety for Erbium Chloride?

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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