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4,5-dihydro-1H-pyrazol-5-one

CAS 137-44-0 · C3H4N2O

Hazard class

Warning — Irritant / harmful

Pictograms

Irritant / harmful

H-statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Synonyms

5-Pyrazolone · 4,5-dihydro-1H-pyrazol-5-one · RefChem:507730 · 824-477-7 · 1H-Pyrazol-5(4H)-one · 137-44-0 · 4H-Pyrazol-3-ol · 1,4-dihydropyrazol-5-one

Molecular weight

84.08 g/mol

Browse similar

Irritant / harmful

Data source

Aggregated classification PubChem

GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.

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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console

Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.