BASIC VIOLET 2

RestrictedCAS 3248-91-726 regulations across 17 markets

BASIC VIOLET 2 is a cosmetic ingredient classified as Hair Dyeing. Also known as CAS 3248-91-7. It is regulated in 17 markets including UAE, Bahrain, Brazil.

Also Known As

CAS Number: 3245-91-7, 3248-91-7
Color Index: CI 42520

Market Overview — 29 Markets

European Union2

United Kingdom3

United States

California

Maryland

Washington

Canada

Brazil1

South Korea1

Japan

Taiwan1

Australia

Singapore1

Malaysia1

Thailand1

Indonesia1

Vietnam1

Philippines1

UAE2

Saudi Arabia2

Qatar2

Oman2

Kuwait2

Bahrain2

Russia

Belarus

Kazakhstan

Armenia

Kyrgyzstan

Detailed Regulations

Europe5 regulations

European UnionRestrictedAnnex III #278

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino-3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride (CI 42520)
CAS: 3245-91-7
Max concentration: 0.5 %
Product type: a) Hair dye substance in oxidative hair dye products b) Hair dye substance in non-oxidative hair dye products
Conditions of use: a) To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp,— you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past.”
Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0 %

Source: EC 1223/2009 Annex III

European UnionRestrictedAnnex IV #67

Chemical name: 4-[(4-Amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride
CAS: 3248-91-7
Max concentration: 5 ppm
Product type: Rinse-off products
Color Index: CI 42520

Source: EC 1223/2009 Annex IV

United KingdomRestrictedAnnex III #278

Chemical name: 4-((4-Amino-3-methylphenyl)(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene)methyl)-2-methylphenylamine monohydrochloride (CI 42520)
CAS: 3248-91-7
Product type: (a) Hair dye substance in oxidative hair dye products
Conditions of use: (a) To be printed on the label: The mixing ratio. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “ black henna ” tattoos may increase your risk of allergy. Do not colour your hair if: you have a rash on your face or sensitive, irritated and damaged scalp, you have ever experienced any reaction after colouring your hair, you have experienced a reaction to a temporary “ black henna ” tattoo in the past. Hair colorants can cause severe allergic reactions.
Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0 %

Source: UK retained EC 1223/2009 Annex III

United KingdomRestrictedAnnex III #278

Chemical name: 4-((4-Amino-3-methylphenyl)(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene)methyl)-2-methylphenylamine monohydrochloride (CI 42520)
CAS: 3248-91-7
Max concentration: (b) 0,5 %
Product type: (b) Hair dye substance in non-oxidative hair dye products
Conditions of use: Max: (b) 0,5 %

Source: UK retained EC 1223/2009 Annex III

United KingdomRestrictedAnnex IV #67

Chemical name: 4-[(4-Amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride
Max concentration: 5ppm
Product type: Rinse-off products
Conditions of use: Max: 5ppm
Color Index: 42520

Source: UK retained EC 1223/2009 Annex IV

Americas1 regulation

BrazilRestrictedAnnex RDC_628 #CI_42520

Product type: brief_contact_only
Conditions of use: Application fields: brief_contact_only | Limitations: Concentração máxima no produto final: 5 ppm
Color Index: CI 42520

Source: ANVISA RDC 628

East Asia & Oceania2 regulations

South KoreaRestrictedAnnex restricted #M1094

Chemical name: Basic Violet 2, CI 42520
CAS: 3248-91-7
Conditions of use: * 배합한도 : 0.5% 염모용 화장품에만 사용

Source: MFDS Korea Cosmetics Regulation

TaiwanRestrictedAnnex Restricted Ingredients List #153

Chemical name: 4-((4-Amino-3-methylphenyl)(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene) methyl)-2-methylphenylamine monohydrochloride (CI 42520)
CAS: 3248-91-7
Max concentration: (a)1% (b)0.5%
Product type: (a)Oxidative hair dye products (b)Non-oxidative hair dye products

Source: TFDA Cosmetics Regulations

ASEAN6 regulations

SingaporeRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesRestrictedAnnex ACD Annex III (Restricted) #302

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino- 3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride / Basic Violet 2
CAS: 3248-91-7
Max concentration: (b) 0.5%
Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.0% (a) and (b): The direction for use 'wear suitable gloves' must be included in label or leaflet text. | Label: (a) To be printed on the label: The mixing ratio. ' Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: -you have a rash on your face or sensitive, irritated and damaged scalp, -you have experienced a reaction to a temporary 'black henna' tattoo in the past. (a) and (b) Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC12 regulations

UAERestrictedAnnex III #278

Chemical name: 4-((4-Amino-3- methylphenyl)(4- imino-3-methyl- 2,5-cyclohexadien-1- ylidene)methyl)-2- methylphenylamine monohydrochloride (CI 42520)
CAS: 3245-91-7
Max concentration: 0.5 %
Product type: a) Hair dye substance in oxidative hair dye products b) Hair dye substance in non-oxidative hair dye products
Conditions of use: a) To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp,— you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past.”
Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0 %