Lithium Sulfide

INCI: LITHIUM SULFIDE

CAS Number
12136-58-2 [^1_6][^1_7]
Function
Depilatory
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted under general cosmetic provisions; no specific FDA/CFR prohibition, but subject to adulteration provisions under FD&C Act ยง601

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Classified corrosive and toxic (GHS06, GHS05); reacts violently with water releasing toxic H2S gas. Extremely limited modern cosmetic application. Requires rigorous formulation controls, pH monitoring, and robust warnings.

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Concern Level: High

Frequently Asked Questions

Is Lithium Sulfide safe in cosmetics?

Classified corrosive and toxic (GHS06, GHS05); reacts violently with water releasing toxic H2S gas. Extremely limited modern cosmetic application. Requires rigorous formulation controls, pH monitoring, and robust warnings. The EU classifies Lithium Sulfide as "prohibited". Safety rating: POOR.

Is Lithium Sulfide allowed in the EU?

Lithium Sulfide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Lithium Sulfide do in cosmetics?

Lithium Sulfide functions as: Depilatory. It is classified as a cosmetic ingredient in our database. CAS number: 12136-58-2 [^1_6][^1_7].

What is the Margin of Safety for Lithium Sulfide?

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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