CI 42045
CI 42045 is a cosmetic ingredient classified as Colorant. Also known as CAS 129-17-9. It is regulated in 21 markets including UAE, Armenia, Bahrain.
Also Known As
- CAS Number
- 68238-36-8, 129-17-9
Market Overview — 29 Markets
Detailed Regulations
Europe4 regulations
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: EC 1223/2009 Annex II
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: EC 1223/2009 Annex IV
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045) when used as a substance in hair dye products
- CAS
- 129-17-9
Source: UK retained EC 1223/2009 Annex II
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- 42045
Source: UK retained EC 1223/2009 Annex IV
Americas1 regulation
- Product type
- not_mucous_membranes
- Conditions of use
- Application fields: not_mucous_membranes
- Color Index
- CI 42045
Source: ANVISA RDC 628
East Asia & Oceania1 regulation
- Chemical name
- CI 42045
- Product type
- Scope 3: Cosmetic products intended not to come into contact with the mucous membranes
- Conditions of use
- Using in hair dye products is forbidden.
- Color Index
- CI 42045
Source: TFDA Cosmetics Regulations
ASEAN6 regulations
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
- Chemical name
- Blue
- Product type
- All cosmetic products except those in contact with mucous membranes
- Color Index
- CI 42045
Source: ASEAN Cosmetic Directive (HSA Dec 2025)
GCC12 regulations
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
- Chemical name
- Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045)
- Product type
- hair dye products
Source: GSO 1943:2024 (based on EU 1223/2009 II)
- Chemical name
- Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- CAS
- 129-17-9
- Product type
- Not to be used in products applied on mucous membranes
- Color Index
- CI 42045
Source: GSO 1943:2024 (based on EU 1223/2009 IV)
EAEU5 regulations
- Chemical name
- Аммоний, (4-(альфа-(p-(диэтиламино)фенил)-2,4-дисульфобензилиден)-2,5-циклогексадиен-1-илиден)диэтил-, гидроксид, мононатриевая соль Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- не используется в продукции, предназначенной для слизистых оболочек
- Color Index
- 42045
Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 59)
- Chemical name
- Аммоний, (4-(альфа-(p-(диэтиламино)фенил)-2,4-дисульфобензилиден)-2,5-циклогексадиен-1-илиден)диэтил-, гидроксид, мононатриевая соль Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- не используется в продукции, предназначенной для слизистых оболочек
- Color Index
- 42045
Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 59)
- Chemical name
- Аммоний, (4-(альфа-(p-(диэтиламино)фенил)-2,4-дисульфобензилиден)-2,5-циклогексадиен-1-илиден)диэтил-, гидроксид, мононатриевая соль Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- не используется в продукции, предназначенной для слизистых оболочек
- Color Index
- 42045
Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 59)
- Chemical name
- Аммоний, (4-(альфа-(p-(диэтиламино)фенил)-2,4-дисульфобензилиден)-2,5-циклогексадиен-1-илиден)диэтил-, гидроксид, мононатриевая соль Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- не используется в продукции, предназначенной для слизистых оболочек
- Color Index
- 42045
Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 59)
- Chemical name
- Аммоний, (4-(альфа-(p-(диэтиламино)фенил)-2,4-дисульфобензилиден)-2,5-циклогексадиен-1-илиден)диэтил-, гидроксид, мононатриевая соль Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Product type
- не используется в продукции, предназначенной для слизистых оболочек
- Color Index
- 42045
Source: TR CU 009/2011 Annex 3 (Colorants) (Ref 59)
Frequently Asked Questions
Is CI 42045 banned in any country?
Yes, CI 42045 is banned in UAE, Bahrain, European Union, Kuwait, Oman, Qatar, Saudi Arabia, United Kingdom. Always check current regulations before formulating products for these markets.
What are the restrictions on CI 42045 in cosmetics?
CI 42045 is restricted or has conditions of use in UAE, Armenia, Bahrain, Brazil, 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 42045 in cosmetics?
CI 42045 is regulated in 21 markets. It is banned in UAE, Bahrain, European Union, Kuwait, Oman, Qatar, Saudi Arabia, United Kingdom. It has restrictions in UAE, Armenia, Bahrain, Brazil, 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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Check Ingredients FreeThis 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.