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Chemical Substance

2,4-dihydro-2,5-dimethyl-3H-pyrazol-3-one

CAS Number2749-59-9
EC Number220-389-2
Molecular FormulaC5H8N2O
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Identifiers

Cas Number2749-59-9Primary
Ec Number220-389-2
Chemical Name1,3-Dimethyl-5-pyrazolone
Chemical Name2,4-dihydro-2,5-dimethyl-3H-pyrazol-3-one

GHS Hazard Pictograms

GHS07 Hazard PictogramGHS07
GHS08 Hazard PictogramGHS08

Hazard Classifications

Acute Tox. 4
Acute toxicity (oral + dermal + inhalation)
Warning
Hazard CodeH302 + H312 + H332
CategoryAcute Tox. 4
Source: REACH registration C&L
Eye Irrit. 2
Eye irritation
Warning
Hazard CodeH319
CategoryEye Irrit. 2
Source: REACH registration C&L
Muta. 2
Germ cell mutagenicity
Warning
Hazard CodeH341
CategoryMuta. 2
Source: REACH registration C&L
Aquatic Chronic 3
Hazardous to the aquatic environment (long-term)
Hazard CodeH412
CategoryAquatic Chronic 3
Source: REACH registration C&L

Related Substances

2,4-Dihydro-2,4-dimethyl-3H-pyrazol-3-one
3310-38-1
2,4-dihydro-4,5-dimethyl-2-phenyl-3H-pyrazol-3-one
17900-68-4
3H-Pyrazol-3-one, 4-(dimethylamino)-1,2-dihydro-1,5-dimethyl-
82261-38-9
4-(2-HYDROXYETHYL)-2,5-DIMETHYL-1,2-DIHYDRO-3H-PYRAZOL-3-ONE
258281-02-6
3H-Pyrazol-3-one, 4-(2-aminoethyl)-2,4-dihydro-4,5-dimethyl-
933704-44-0

Disclaimer

The substance data provided is sourced from various third-party databases and regulatory sources. While we strive to maintain accuracy, we cannot guarantee the completeness, accuracy, or timeliness of this information. Users are responsible for verifying all data before use in compliance, safety, or regulatory contexts. NextSDS is not liable for any decisions made based on this data.