HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
2-[(3-Aminopyrazolo[1,5-a]pyridin-2- yl)oxy]ethanol hydrochloride
HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL is listed in Annex III and may only be used under the conditions shown in this record.
Chemical identity and properties

2-((3-Aminopyrazolo(1,5-a)pyridin-2-yl)oxy)ethanol hydrochloride (1:1)
- IUPAC name
- 2-(3-aminopyrazolo[1,5-a]pyridin-2-yl)oxyethanol;hydrochloride
- Molecular formula
- C9H12ClN3O2
- Molecular weight
- 229.66 g/mol
- Exact mass
- 229.0618043 Da
- Topological polar surface area
- 72.8 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 4
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
External database identifiers
- EPA DTXSID:DTXSID801024736
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]; H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P270, P272, P273, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P333+P317, P337+P317, P362+P364, P391, 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 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; 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.
Record details
Product type
Other restrictions
As from 3 September 2017, after mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0 %
Warnings
As from 3 March 2018, to be printed on the label: The mixing ratio. ‘Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black henna” tattoos may increase your risk of allergy.
Do not colour your hair if:
— you have a rash on your face or sensitive, irritated and damaged scalp,
— you have ever experienced any reaction after colouring your hair,
— you have experienced a reaction to a temporary “black henna” tattoo in the past.’
INCI glossary name
HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
Chemical name
2-[(3-Aminopyrazolo[1,5-a]pyridin-2- yl)oxy]ethanol hydrochloride
Chemical / IUPAC name
2-[(3-Aminopyrazolo[1,5-a]pyridin-2- yl)oxy]ethanol hydrochloride
Regulatory information
Key data
Inventory links for HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
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What Annex III means for HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL is a restricted substance under Annex III of EU Cosmetics Regulation 1223/2009. Its use in cosmetics is only permitted under the specific conditions set out in the entry above, including applicable concentration limits, product type restrictions and required warning statements.
When including this substance in a formulation, all conditions — maximum concentration, product scope and warning labels — must be met simultaneously. Compliance with one condition does not override the others.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Confirm product type compatibility: Hair dye substance in oxidative hair dye products
- Include required warning statement on product label.
- Document conditions of use in the Product Information File (PIF).
Frequently asked questions
Source note for Annex III record HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL
This page summarizes one Annex III record for HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex III conditions for HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL, but confirm any final regulatory decision against the current official annex wording and source files.
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