3-Methyl-5-isoxazolecarboxylic acid
CAS 4857-42-5 · C5H5NO3
Hazard classDanger — Toxic, Irritant / harmful
PictogramsToxicIrritant / harmful
H-statements- H301 Toxic if swallowed
- H302 +H312+H332 (20%): Harmful if swallowed, in contact with skin or if inhaled
- H311 Toxic in contact with skin
- H312 Harmful in contact with skin
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H331 Toxic if inhaled
- H332 Harmful if inhaled
- H335 May cause respiratory irritation
SynonymsRefChem:503976 · 225-454-9 · 3-Methyl-5-isoxazolecarboxylic acid · 4857-42-5 · 5-carboxy-3-methylisoxazole · 5-Methylisoxazole-3-carboxylic acid · 3405-77-4 · 5-methyl-1,2-oxazole-3-carboxylic acid
Molecular weight127.1 g/mol
Data sourceAggregated classification PubChemGHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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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.