CI 21100

BannedCAS 5102-83-034 regulations across 20 markets

CI 21100 is a cosmetic ingredient classified as Colorant. Also known as CAS 5102-83-0. It is regulated in 20 markets including UAE, Armenia, Bahrain.

Also Known As

CAS Number: 5102-83-0

Market Overview — 29 Markets

European Union2

United Kingdom2

United States

California

Maryland

Washington

Canada

Brazil

South Korea

Japan

Taiwan1

Australia

Singapore2

Malaysia2

Thailand2

Indonesia2

Vietnam2

Philippines2

UAE2

Saudi Arabia2

Qatar2

Oman2

Kuwait2

Bahrain2

Russia1

Belarus1

Kazakhstan1

Armenia1

Kyrgyzstan1

Detailed Regulations

Europe4 regulations

European UnionBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: EC 1223/2009 Annex II

European UnionRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: EC 1223/2009 Annex IV

United KingdomBannedAnnex II #1351

Chemical name: 2,2′-[(3,3′-Dichloro[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100) when used as a substance in hair dye products
CAS: 5102-83-0

Source: UK retained EC 1223/2009 Annex II

United KingdomRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: Rinse-off products
Other conditions: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: 21100

Source: UK retained EC 1223/2009 Annex IV

AmericasNo restrictions

No specific restrictions for CI 21100 in United States, California, Maryland, Washington, Canada, Brazil.

East Asia & Oceania1 regulation

TaiwanRestrictedAnnex Colorants List #47

Chemical name: CI 21100
Product type: Scope 4: Cosmetic products intended to come into contact only briefly with the skin
Conditions of use: Using in hair dye products is forbidden.
Color Index: CI 21100

Source: TFDA Cosmetics Regulations

ASEAN12 regulations

SingaporeBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

SingaporeRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesBannedAnnex ACD Annex II (Prohibited) #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)bis[N-(2,4- dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: hair dye products

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesRestrictedAnnex ACD Annex IV (Colorants) #21100

Chemical name: Yellow
Max concentration: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Product type: Products with brief skin contact only
Color Index: CI 21100

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC12 regulations

UAEBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

UAERestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

Saudi ArabiaBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

Saudi ArabiaRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

QatarBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

QatarRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

OmanBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

OmanRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

KuwaitBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

KuwaitRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

BahrainBannedAnnex II #1351

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100)
Product type: hair dye products

Source: GSO 1943:2024 (based on EU 1223/2009 II)

BahrainRestrictedAnnex IV #47

Chemical name: 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
CAS: 5102-83-0
Product type: Rinse-off products
Conditions of use: Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
Color Index: CI 21100

Source: GSO 1943:2024 (based on EU 1223/2009 IV)

EAEU5 regulations

RussiaRestrictedAnnex 3 #47

Chemical name: 2,2'-[(3,3'-дихлор[1,1'-бифенил]-4,4'-диил)бис(азо)]бис[N-(2,4-диметилфенил)-3-оксобутирамид] 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: смываемая продукция
Other conditions: Максимальная концентрация 3,3'-диметилбензидина в красителе 5 ppm
Color Index: 21100

Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 47)

BelarusRestrictedAnnex 3 #47

Chemical name: 2,2'-[(3,3'-дихлор[1,1'-бифенил]-4,4'-диил)бис(азо)]бис[N-(2,4-диметилфенил)-3-оксобутирамид] 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: смываемая продукция
Other conditions: Максимальная концентрация 3,3'-диметилбензидина в красителе 5 ppm
Color Index: 21100

Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 47)

KazakhstanRestrictedAnnex 3 #47

Chemical name: 2,2'-[(3,3'-дихлор[1,1'-бифенил]-4,4'-диил)бис(азо)]бис[N-(2,4-диметилфенил)-3-оксобутирамид] 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: смываемая продукция
Other conditions: Максимальная концентрация 3,3'-диметилбензидина в красителе 5 ppm
Color Index: 21100

Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 47)

ArmeniaRestrictedAnnex 3 #47

Chemical name: 2,2'-[(3,3'-дихлор[1,1'-бифенил]-4,4'-диил)бис(азо)]бис[N-(2,4-диметилфенил)-3-оксобутирамид] 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: смываемая продукция
Other conditions: Максимальная концентрация 3,3'-диметилбензидина в красителе 5 ppm
Color Index: 21100

Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 47)

KyrgyzstanRestrictedAnnex 3 #47

Chemical name: 2,2'-[(3,3'-дихлор[1,1'-бифенил]-4,4'-диил)бис(азо)]бис[N-(2,4-диметилфенил)-3-оксобутирамид] 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
Product type: смываемая продукция
Other conditions: Максимальная концентрация 3,3'-диметилбензидина в красителе 5 ppm
Color Index: 21100

Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 47)

Frequently Asked Questions

Is CI 21100 banned in any country?

Yes, CI 21100 is banned in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, United Kingdom, Vietnam. Always check current regulations before formulating products for these markets.

What are the restrictions on CI 21100 in cosmetics?

CI 21100 is restricted or has conditions of use in UAE, Armenia, Bahrain, Belarus, European Union, Indonesia, Kyrgyzstan, Kuwait, Kazakhstan, Malaysia, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.

Can I use CI 21100 in cosmetics?

CI 21100 is regulated in 20 markets. It is banned in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, United Kingdom, Vietnam. It has restrictions in UAE, Armenia, Bahrain, Belarus, European Union, Indonesia, Kyrgyzstan, Kuwait, Kazakhstan, Malaysia, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.

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This information is for reference only and does not constitute legal or regulatory advice. Regulations change — always verify with official sources and consult a regulatory specialist before exporting cosmetic products. Data sourced from EU COSING, US FDA, Health Canada, MHLW Japan, MFDS Korea, ASEAN ACD, GCC SFDA, TGA Australia, ANVISA Brazil, EAEU TR CU, and Taiwan TFDA.