Good Colorant NOAEL Data

Fast Green FCF

INCI: CI 42053

CAS Number
2353-45-9
Function
Colorant (green)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. Prohibited as hair dye (Annex II Entry 1357); no maximum concentration for general colorant use
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes FD&C Green No. 3. Permitted in foods, drugs, and cosmetics generally. Certification required.

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

10 study endpoints found for Fast Green FCF. 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 1250 mg/kg bw/day oral rabbit Developmental COSMOS_DB
NOAEL 1250 mg/kg bw/day oral rat Developmental COSMOS_DB
NOAEL 2000 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 2500 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 3000 mg/kg bw/day oral mouse Chronic COSMOS_DB
NOAEL 500 mg/kg bw/day oral dog Chronic COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Multigeneration Reproductive COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Reproductive-developmental COSMOS_DB
NOAEL 3602 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 3602 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB

Expert Verdict

Permitted as a general colorant under Annex IV, but prohibited for use as a hair dye substance (Annex II Entry 1357). Certification required in the US.

โš ๏ธ
Concern Level: Low

Regulatory Flags

Allergen eu_banned_cosmetics eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive eu_cosing_listed

Frequently Asked Questions

Is Fast Green FCF safe in cosmetics?

Permitted as a general colorant under Annex IV, but prohibited for use as a hair dye substance (Annex II Entry 1357). Certification required in the US. The EU classifies Fast Green FCF as "restricted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is Fast Green FCF allowed in the EU?

Fast Green FCF EU regulatory status: restricted. Maximum allowed concentration: Prohibited as hair dye (Annex II Entry 1357); no maximum concentration for general colorant use. This is based on EU Regulation 1223/2009 and its amendments.

What does Fast Green FCF do in cosmetics?

Fast Green FCF functions as: Colorant (green). It is classified as a Colorant in our database. CAS number: 2353-45-9.

What is the Margin of Safety for Fast Green FCF?

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 Fast Green FCF?

The NOAEL (No Observed Adverse Effect Level) for Fast Green FCF is 1250 mg/kg bw/day based on a Developmental study via oral route in rabbit. A total of 10 study endpoints are available. Source: COSMOS_DB.

๐Ÿ“ฑ

Is Fast Green FCF in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Fast Green FCF in your formulation.