Poor Cosmetic Ingredient NOAEL Data

Basic Violet 1

INCI: BASIC VIOLET 1

CAS Number
8004-87-3
Function
Hair dyeing (triphenylmethane cationic dye)
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status prohibited
US Notes Not an FDA-approved color additive for cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Basic Violet 1. 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
NOAEL 500 mg/kg bw/day oral rat oral REACH
NOAEL 100 other oral mouse oral REACH
NOAEL 452 mg/kg bw/day oral rat oral REACH
NOAEL 300 other oral rat oral REACH
NOAEL 500 mg/kg bw/day oral rat oral REACH
NOAEL 500 mg/kg bw/day oral rat oral REACH
NOAEL 1260 mg/kg bw/day oral rat oral REACH
NOAEL 815.900024414 mg/kg bw/day oral rat oral REACH
NOAEL 40 mg/kg bw/day oral rat oral REACH
NOAEL 0.00942 other dermal rat dermal REACH

Expert Verdict

Triphenylmethane dye structurally related to crystal violet (known genotoxicant); banned in Canada; insufficient toxicological data to support cosmetic safety.

⚠️
Concern Level: High

Regulatory Flags

eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Basic Violet 1 safe in cosmetics?

Triphenylmethane dye structurally related to crystal violet (known genotoxicant); banned in Canada; insufficient toxicological data to support cosmetic safety. The EU classifies Basic Violet 1 as "prohibited". Safety rating: POOR. 10 toxicological study endpoint(s) are available in our database.

Is Basic Violet 1 allowed in the EU?

Basic Violet 1 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Basic Violet 1 do in cosmetics?

Basic Violet 1 functions as: Hair dyeing (triphenylmethane cationic dye). It is classified as a cosmetic ingredient in our database. CAS number: 8004-87-3.

What is the Margin of Safety for Basic Violet 1?

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 Basic Violet 1?

The NOAEL (No Observed Adverse Effect Level) for Basic Violet 1 is 500 mg/kg bw/day based on a oral study via oral route in rat. A total of 10 study endpoints are available. Source: REACH.

Compliance Tools

Check Basic Violet 1 compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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