Official EU label nameGlossary entry 152
2,3-DIAMINODIHYDROPYRAZOLO PYRAZOLONE DIMETHOSULFONATE
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 5 of 13 indexed market datasets: 5 country records and 0 EU Annex records. Every result and evidence gap is listed below.
Markets checked
13
Markets with evidence
5
Evidence gaps
8
Resolved identifiers
2
Resolved substance identity
CAS:857035-95-1
EC:469-500-8
Ingredient index records:
2,3-DIAMINODIHYDROPYRAZOLO PYRAZOLONE DIMETHOSULFONATE
Cosmetic functions: HAIR DYEING
6 matched or reported names
2,3-DIAMINODIHYDROPYRAZOLO PYRAZOLONE DIMETHOSULFONATE2,3-Diaminodihydropyrazolopyrazolone Dimethosulfonate2,3-Diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one dimethanesulfonate (2,3-diamino-dihydropyrazolopyrazolone dimethosulfonate)2,3-Diamino-6,7- dihydro-1H,5H- pyrazolo[1,2-a] Pyrazol-1-one dimethanesulfonate 2,3-Diaminodihydropyrazolo pyrazolone Dimethosulfonate CAS No 857035-95-12,3-Diamino-6,7-dihydro- 1H,5H-pyrazolo[1,2- a]pyrazol-1-one dimethanesulfonate 2,3-diaminodihydropyrazolo pyrazolone dimethosulfonate (CAS No.: 857035-95-1)2,3-Diamino-6,7- dihydro-1H,5H- pyrazolo[1,2-a] Pyrazol-1-one dimethanesulfonate
Regulatory evidence in all 13 markets
Open each matched record for its scope, concentration, conditions, warnings and official source version.
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| 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 | Restricted | 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 | Restricted | 1Open record 1 | Complete schedules dataset Cosmetic Products Group Standard schedules effective 1 January 2026 | Review every linked record and exact conditions. |
| ASEAN ASEAN | Restricted | 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 | No local match | 0 | Complete prohibited catalogues plus official-source workflow NMPA 2021 banned catalogues plus dynamic IECIC List I/List II system current since 2025 | IECIC listing is not blanket approval; absence may require the new cosmetic ingredient route, and restrictions are checked separately. |
| 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 | No local match | 0 | Complete current appendix dataset MFDS Notice 2026-19, effective 18 March 2026 | Korean source wording is canonical and other positive lists/notices may still apply to the formulation. |
| 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 | No local match | 0 | Complete prohibited dataset plus current restricted-list workflow ANVISA RDC 1.029/2026 and RDC 1.030/2026, published 15 June 2026 | RDC 1.030/2026 amends rather than replaces the prohibited baseline, and the second restricted-list revision was still under consultation in July 2026. |
| India IN | Restricted | 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 | Restricted | 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 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 857035-95-1PubChem CID 71587821
2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate
- IUPAC name
- 6,7-diamino-2,3-dihydro-1H-pyrazolo[1,2-a]pyrazol-5-one;methanesulfonic acid
- Molecular formula
- C8H18N4O7S2
- Molecular weight
- 346.4 g/mol
- Exact mass
- 346.06169127 Da
- Topological polar surface area
- 201.0 Ų
- Hydrogen-bond donors
- 4
- Hydrogen-bond acceptors
- 10
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
Imexine OBHUNII-S409QAZ004S409QAZ0041H,5H-Pyrazolo(1,2-a)pyrazol-1-one, 2,3-diamino-6,7-dihydro-, dimethanesulfonateRefChem:815472,3-DIAMINODIHYDROPYRAZOLO PYRAZOLONE DIMETHOSULFONATE [INCI]469-500-8682-126-1
8 more reported names
2,3-Diamino-6,7-dihydropyrazolo[1,2-a]pyrazol-1(5H)-one dimethanesulfonatePFGOOGAEVIKREH-UHFFFAOYSA-N2,3-diamino-1H,5H,6H,7H-pyrazolo[1,2-a]pyrazolidin-1-one: bis(methanesulfonic acid)2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one dimethane sulfonate2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one dimethane sulphonate2,3-diamino-6,7-dihydro-1h,5h-pyrazolo[1,2-a]pyrazol-1-one dimethanesulfonate2,3-Diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazolone dimethanesulfonateMethanesulfonic acid--2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one (2/1)
External database identifiers
- EPA DTXSID:DTXSID90235006
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