Substance Information

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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More


Substance Infocard


Maleic hydrazide, and its salts ...

EC / List no.: -

CAS no.: -

Mol. Formula:

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

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Substance names and other identifiers

Regulatory process names
Maleic hydrazide, and its salts ...
Other identifiers
2933 99 90
Combined Nomenclature Code
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Group members

This entry / group of substance has the following member substances:

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Name EC / List no. CAS no. Association
1,2-dihydropyridazine-3,6-dione, potassium salt 257-261-0 51542-52-0 Expert judgement (ECHA)
1,2-dihydropyridazine-3,6-dione, monopotassium salt 249-000-4 28382-15-2 Expert judgement (ECHA)
1,2-dihydropyridazine-3,6-dione, sodium salt 248-972-7 28330-26-9 Expert judgement (ECHA)
Pyridazine-3,6-diol 204-619-9 123-33-1 Expert judgement (ECHA)