Official EU label nameGlossary entry 3073
BASIC BLUE 41
This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.
Global evidence snapshot
The resolved identity has matching regulatory evidence in 8 of 13 indexed market datasets: 8 country records and 0 EU Annex records. Every result and evidence gap is listed below.
Markets checked
13
Markets with evidence
8
Evidence gaps
5
Resolved identifiers
2
Resolved substance identity
CAS:12270-13-2
EC:235-546-0
Ingredient index records:
BASIC BLUE 41
Cosmetic functions: HAIR DYEING
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium methyl sulphate (CI 11154)
Inventory restriction note: II/1261
8 matched or reported names
BASIC BLUE 41Benzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methyl-, and its salts, when used as a substance in hair dye productsBenzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methyl- and its salts, when used as a substance in hair dye productsBenzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-苯并噻唑, 2-（（4-（乙基（2-羟乙基） 氨基）苯基）偶氮）-6-甲氧基-3-甲基 - 及其盐类 — Benzothiazolium, 2-（（4-（ethyl（2-hydroxyethyl）amino）phenyl） azo）-6-methoxy-3-methyl- （CAS No. 12270-13-2） and its salts2-[[4-[에칠(2-하이드록시에칠)아미노]페닐]아조]-6-메톡시-3-메칠-벤조치아졸리움 및 그 염류2-[[4-[etil(2-hidroxietil)amino]fenil]azo]- 6-metoxi-3-metilbenzotiazólio, e seus sais, quando usado como substância que entra na composição de corantes capilaresBenzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methyl-, and its salts (CAS No. 12270-13-2), when used as a substance in hair dye products.
Regulatory evidence in all 13 markets
Open each matched record for its scope, concentration, conditions, warnings and official source version.
Swipe or scroll horizontally to see dataset coverage and next actions.
| Market | Result | Records | Dataset | Meaning / next action |
|---|---|---|---|---|
| European Union EU | No local match | 0 | Complete annex dataset Regulation (EC) 1223/2009 consolidated to 1 May 2026 | No annex match only means that these five annexes did not return a match; CosIng identity data and other EU obligations still need review. |
| Great Britain GB | Prohibited | 1Open record 1 | Complete consolidated annex dataset GB retained Regulation 1223/2009 schedules, effective 15 August 2026 | Review every linked record and exact conditions. |
| Canada CA | No local match | 0 | Complete Hotlist snapshot Health Canada Cosmetic Ingredient Hotlist, 13 August 2025 | The Hotlist is an administrative compliance tool, not an exhaustive safety approval list. |
| New Zealand NZ | Prohibited | 1Open record 1 | Complete schedules dataset Cosmetic Products Group Standard schedules effective 1 January 2026 | Review every linked record and exact conditions. |
| ASEAN ASEAN | Prohibited | 1Open record 1 | Complete regional annex dataset ASEAN Cosmetic Directive annexes 2026-1, 22 June 2026 | Review every linked record and exact conditions. |
| China CN | Prohibited | 1Open record 1 | Complete prohibited catalogues plus official-source workflow NMPA 2021 banned catalogues plus dynamic IECIC List I/List II system current since 2025 | Review every linked record and exact conditions. |
| Japan JP | No local match | 0 | Complete Standards appendices dataset MHLW Standards for Cosmetics official English source and Japanese amendments checked for the imported snapshot | The Japanese text and subsequent notices are canonical; no local match is not a product-compliance conclusion. |
| South Korea KR | Prohibited | 1Open record 1 | Complete current appendix dataset MFDS Notice 2026-19, effective 18 March 2026 | Review every linked record and exact conditions. |
| United States US | No local match | 0 | Complete enumerated federal ingredient rules eCFR Title 21 issue date 27 August 2026 | FDA has no general approved-cosmetic-ingredient catalogue; absence from these sections is not approval or proof of safety. |
| Australia AU | No local match | 0 | Complete cosmetic-relevant Poisons Standard subset plus official workflow Therapeutic Goods (Poisons Standard—June 2026) Instrument 2026 | An AICIS Inventory match is not cosmetic approval; no Inventory match can indicate a new, exempted, reported or confidential introduction. |
| Brazil BR | Prohibited | 1Open record 1 | Complete prohibited dataset plus current restricted-list workflow ANVISA RDC 1.029/2026 and RDC 1.030/2026, published 15 June 2026 | Review every linked record and exact conditions. |
| India IN | Prohibited | 1Open record 1 | Complete current Part 2 dataset plus official workflow for Parts 1, 3 and 4 Cosmetics Rules 2020 plus current BIS IS 4707 parts (1:2020, 2:2025, 3:2025, 4:2022) | Review every linked record and exact conditions. |
| Saudi Arabia SA | Prohibited | 1Open record 1 | Complete official list index SFDA live prohibited/restricted lists, snapshot 30 August 2026 | Review every linked record and exact conditions. |
No market rows match this filter.
Matching market records and conditions
New Zealand
Cosmetic Products Group Standard schedules effective 1 January 2026ASEAN
ASEAN Cosmetic Directive annexes 2026-1, 22 June 2026China
NMPA 2021 banned catalogues plus dynamic IECIC List I/List II system current since 2025South Korea
MFDS Notice 2026-19, effective 18 March 2026Brazil
ANVISA RDC 1.029/2026 and RDC 1.030/2026, published 15 June 2026India
Cosmetics Rules 2020 plus current BIS IS 4707 parts (1:2020, 2:2025, 3:2025, 4:2022)Saudi Arabia
SFDA live prohibited/restricted lists, snapshot 30 August 2026Chemical identity and properties
CAS 12270-13-2PubChem CID 83008
Basic Blue 41
- IUPAC name
- 2-[N-ethyl-4-[(6-methoxy-3-methyl-1,3-benzothiazol-3-ium-2-yl)diazenyl]anilino]ethanol;methyl sulfate
- Molecular formula
- C20H26N4O6S2
- Molecular weight
- 482.6 g/mol
- Exact mass
- 482.12937691 Da
- Topological polar surface area
- 164.0 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 10
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
C.I. Basic Blue 41CI Basic Blue 411ECX0J387PANILAN BLUE GRLBB41 dyeBASACRYL BLUE X 3GLBenzothiazolium, 2-(2-(4-(ethyl(2-hydroxyethyl)amino)phenyl)diazenyl)-6-methoxy-3-methyl-, methyl sulfate (1:1)RefChem:116612
16 more reported names
235-546-0Basic BlueC.I.Basic Blue 41Benzothiazolium, 2-((4-(ethyl(2-hydroxyethyl)amino)phenyl)azo)-6-methoxy-3-methyl-, methyl sulfate (salt)UNII-1ECX0J387PBasicBlueC20H26N4O6S2EINECS 235-546-0Basic Blue 41. tech.Basic blue 41 - TechnicalMHOFGBJTSNWTDT-UHFFFAOYSA-MHY-D0492Basic Blue 41, Dye content 40 %CI 11154Ethanol, 2-(ethyl(4-((6-methoxy-3-methyl-2-benzothiazolium)azo)phenyl)amino)-, methyl sulfateCS-0010584
External database identifiers
- ChEMBL:CHEMBL259143
- EPA DTXSID:DTXSID3051624
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match83008
Attributed physical-property, hazard, environmental and use annotations.
- Note: This chemical does not meet GHS hazard criteria for 1.9% (4 of 208) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H302 (65.4%): Harmful if swallowed [Warning Acute toxicity, oral]; H314 (52.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]; H315 (29.8%): Causes skin irritation [Warning Skin corrosion/irritation]; H318 (52.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]; H319 (42.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (28.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]; H373 (52.4%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]; H400 (53.4%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410 (53.4%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P260, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P391, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 208 reports by companies from 18 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 4 of 208 reports by companies.; There are 17 notifications provided by 204 of 208 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Additional authoritative substance research
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Official source and scope
Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.
Open official Decision