Is Basic Green 1 safe in cosmetics?
Basic Green 1 has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.
Poor
Cosmetic Ingredient
Basic Green 1
Also known as: Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, sulfate (1:1), C.I.Basic Green 1, Malachite Green G, Avon Green A-4379, Brilliant Green B.P. (+14 more)
INCI: BASIC GREEN 1
Basic Green 1 (CAS 633-03-4) is a cosmetic cosmetic ingredient functioning as Hair colorant (triarylmethane dye); historically used as antiseptic. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 633-03-4 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Basic Green 1 is prohibited in EU cosmetics but has active industrial GHS classifications (H301, H302, H314, H315, H317, H318, H319, H400).
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Hair colorant (triarylmethane dye); historically used as antiseptic
Safety Rating
POOR
Regulatory Status
EU EU Status
prohibited
US US Status
prohibited
US Notes
Not an FDA-approved color additive for cosmetics. Not listed in 21 CFR Parts 73, 74, or 82.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Basic Green 1.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex II — Prohibited
Ref: 1299
(EC) 2009/1223
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 1299
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| KR | prohibited | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics
EU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for Basic Green 1.
Regulatory Flags
colorant
eu_banned_cosmetics
eu_cosing_listed
Known Synonyms
Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, sulfate (1:1)
C.I.Basic Green 1
Malachite Green G
Avon Green A-4379
Brilliant Green B.P.
Brilliant Tungstate Green Toner GT-288
EINECS 211-190-1
Emerald Green
N,N,N',N'-Tetraaethyl-monoaminofuchsoniumhydrogensulfat
Brilliant-grun
Zelen brilantni
Zelen malachitova G
Zelen smaragdova
Zelen zasadita 1
UNII-G0L543D370
(4-(4-(Diethylamino)benzhydrylene)cyclohexa-2,5-dien-1-ylidene)diethylammonium hydrogen sulfate
NSC-5011
(4-(4-(Diethylamino)benzhydrylene)cyclohexa-2,5-dien-1-ylidene)diethylammonium hydrogen sulphate
C.I. 42040
Chemical Function
Dye
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Canada; Personal care; Substances in PCP - Canada (4/2014)
banned; Europe; Personal care
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL1790039
Frequently Asked Questions
Is Basic Green 1 allowed in the EU?
Basic Green 1 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Green 1 do in cosmetics?
Basic Green 1 functions as: Hair colorant (triarylmethane dye); historically used as antiseptic. It is classified as a cosmetic ingredient in our database. CAS number: 633-03-4.
Is Basic Green 1 used outside cosmetics?
Basic Green 1 also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Basic Green 1 have different safety status in cosmetics vs industrial chemicals?
Basic Green 1 is prohibited in EU cosmetics but has active industrial GHS classifications (H301, H302, H314, H315, H317, H318, H319, H400).
Compliance Tools
Check Basic Green 1 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Acid Blue 9
Excellent
Same category
Colorant, Hair Dyeing
Acid Blue 9 Aluminum Lake
Excellent
Same category
Colorant
Anthocyanins
Excellent
Same category
Colorant
Beta Vulgaris Extract
Excellent
Same category
Skin Conditioning, Colorant (betalain...
Beta Vulgaris Root Extract
Excellent
Same category
Skin Conditioning, Colorant (betanin/...
Beta Vulgaris Root Powder
Excellent
Same category
Skin conditioning, natural colorant, ...
1,3-Bis-(Isocyanatomethyl) Cyclohexane
Poor
Similar safety
Monomer / cross-linking agent used in...
1,4-Butanediol
Poor
Similar safety
Solvent, humectant, viscosity control...
1,6-Hexamethylene Diisocyanate (HDI)
Poor
Similar safety
Monomer and crosslinker in polymer sy...
1,6-Hexanediamine
Poor
Similar safety
Industrial chemical (nylon monomer); ...
1-Nitropropane
Poor
Similar safety
None in cosmetics - industrial solven...
2,2'-Thiobis(4-Chlorophenol)
Poor
Similar safety
Antimicrobial / antifungal agent
Acid Orange 7
Moderate
Chemical family
Cosmetic colorant; hair dye (semi-per...
CI 15510 (D&C Orange No. 4 / Acid Orange 7)
Good
Chemical family
Colorant. Synthetic monoazo orange dy...
Orange 4 (CI 15510)
Good
Chemical family
Direct (non-reactive) hair colouring ...
Is Basic Green 1 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Basic Green 1 in your formulation.