Moderate Cosmetic Ingredient NOAEL Data GHS Classified

Tin (Sn)

INCI: TIN

CAS Number
7440-31-5
Function
Bulking agent, opacifying agent (limited cosmetic use)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not specifically restricted for cosmetics; no color additive listing; permitted under general provisions

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Tin (Sn). NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOEL >1000 mg/kg bw/day oral rat oral REACH
NOAEL >1000 mg/kg bw/day oral rat oral REACH

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
May cause mechanical irritation to the respiratory tract.
Long-term Exposure Effects
The substance may have effects on the lungs. This may result in a benign pneumoconiosis (stannosis).

Expert Verdict

Must be distinguished from organotin compounds (dibutyltin, tributyltin) which are Annex II prohibited ; heavy metal contamination limits apply; ensure speciation testing

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Concern Level: High

Frequently Asked Questions

Is Tin (Sn) safe in cosmetics?

Must be distinguished from organotin compounds (dibutyltin, tributyltin) which are Annex II prohibited ; heavy metal contamination limits apply; ensure speciation testing The EU classifies Tin (Sn) as "prohibited". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.

Is Tin (Sn) allowed in the EU?

Tin (Sn) EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Tin (Sn) do in cosmetics?

Tin (Sn) functions as: Bulking agent, opacifying agent (limited cosmetic use). It is classified as a cosmetic ingredient in our database. CAS number: 7440-31-5.

What is the Margin of Safety for Tin (Sn)?

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.

What is the NOAEL for Tin (Sn)?

The NOAEL (No Observed Adverse Effect Level) for Tin (Sn) is >1000 mg/kg bw/day based on a oral study via oral route in rat. A total of 2 study endpoints are available. Source: REACH.

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