THIRAM

BannedCAS 137-26-839 regulations across 25 markets

THIRAM is a cosmetic ingredient classified as Antimicrobial. Also known as CAS 137-26-8. It is regulated in 25 markets including UAE, Armenia, Australia.

Also Known As

CAS Number
137-26-8, 97-77-8

Market Overview — 29 Markets

European Union2
United Kingdom1
United States
California
Maryland
Washington
Canada1
Brazil2
South Korea1
Japan1
Taiwan1
Australia1
Singapore2
Malaysia2
Thailand2
Indonesia2
Vietnam2
Philippines2
UAE2
Saudi Arabia2
Qatar2
Oman2
Kuwait2
Bahrain2
Russia1
Belarus1
Kazakhstan1
Armenia1
Kyrgyzstan1

Detailed Regulations

Europe3 regulations
European UnionBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

Source: EC 1223/2009 Annex II

European UnionBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

Source: EC 1223/2009 Annex II

United KingdomBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (INN)
CAS
97-77-8/137-26-8

Source: UK retained EC 1223/2009 Annex II

Americas3 regulations
CanadaRestrictedAnnex Table 2 (Restricted)
Chemical name
Thiurams
CAS
137-26-8
Max concentration
14%
Conditions of use
Latex products

Source: Health Canada Cosmetic Ingredient Hotlist

BrazilBannedAnnex RDC_529 #162
Chemical name
Dissulfiram*; Tiram* (ISO)
CAS
97-77-8

Source: ANVISA RDC 529

BrazilBannedAnnex RDC_529 #354
Chemical name
Dissulfetos de Tiurão
CAS
137-26-8

Source: ANVISA RDC 529

East Asia & Oceania4 regulations
South KoreaBannedAnnex banned #M468
Chemical name
Thiram

Source: MFDS Korea Cosmetics Regulation

JapanRestrictedAnnex Appendix 2 (Restricted) #2-2
Chemical name
Thiram
Max concentration
0.50%
Product type
Cosmetics to be washed away immediately after use such as soap or shampoo
Conditions of use
Product type: Cosmetics to be washed away immediately after use such as soap or shampoo

Source: MHLW Standards for Cosmetics (Notification No.331 of 2000)

TaiwanBannedAnnex Prohibited Ingredients List #477
Chemical name
Disulfiram (INN); thiram (INN)
CAS
97-77-8/ 137-26-8

Source: TFDA Cosmetics Regulations

AustraliaRestrictedAnnex Schedule 6 (Poison) #SUSMP Schedule 6
Chemical name
THIRAM
Conditions of use
in paint containing 0.5% or less of thiram.

Source: TGA SUSMP F2026L00060

ASEAN12 regulations
SingaporeBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

SingaporeBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesBannedAnnex ACD Annex II (Prohibited) #162
Chemical name
Disulfiram (INN) / thiram (ISO)
CAS
97-77-8 / 137- 26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesBannedAnnex ACD Annex II (Prohibited) #354
Chemical name
Thiuram disulphides
CAS
137-26-8

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC12 regulations
UAEBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

UAEBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

Saudi ArabiaBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

Saudi ArabiaBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

QatarBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

QatarBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

OmanBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

OmanBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

KuwaitBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

KuwaitBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

BahrainBannedAnnex II #162
Chemical name
Disulfiram (INN); thiram (ISO) (INN)
CAS
97-77-8 / 137-26-8

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

BahrainBannedAnnex II #354
Chemical name
Moved or deleted
CAS
-

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

EAEU5 regulations
RussiaBannedAnnex 1 #162
Chemical name
Дисульфирам (INN); тирам (ИСО)
CAS
97-77-8/137-26-8

Source: TR CU 009/2011 Annex 1 (Prohibited Substances) (Ref 162)

BelarusBannedAnnex 1 #162
Chemical name
Дисульфирам (INN); тирам (ИСО)
CAS
97-77-8/137-26-8

Source: TR CU 009/2011 Annex 1 (Prohibited Substances) (Ref 162)

KazakhstanBannedAnnex 1 #162
Chemical name
Дисульфирам (INN); тирам (ИСО)
CAS
97-77-8/137-26-8

Source: TR CU 009/2011 Annex 1 (Prohibited Substances) (Ref 162)

ArmeniaBannedAnnex 1 #162
Chemical name
Дисульфирам (INN); тирам (ИСО)
CAS
97-77-8/137-26-8

Source: TR CU 009/2011 Annex 1 (Prohibited Substances) (Ref 162)

KyrgyzstanBannedAnnex 1 #162
Chemical name
Дисульфирам (INN); тирам (ИСО)
CAS
97-77-8/137-26-8

Source: TR CU 009/2011 Annex 1 (Prohibited Substances) (Ref 162)

Frequently Asked Questions

Is THIRAM banned in any country?

Yes, THIRAM is banned in UAE, Armenia, Bahrain, Brazil, Belarus, European Union, Indonesia, Kyrgyzstan, South Korea, Kuwait, Kazakhstan, Malaysia, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Always check current regulations before formulating products for these markets.

What are the restrictions on THIRAM in cosmetics?

THIRAM is restricted or has conditions of use in Australia, Canada, Japan. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.

Can I use THIRAM in cosmetics?

THIRAM is regulated in 25 markets. It is banned in UAE, Armenia, Bahrain, Brazil, Belarus, European Union, Indonesia, Kyrgyzstan, South Korea, Kuwait, Kazakhstan, Malaysia, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. It has restrictions in Australia, Canada, Japan. 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.