Substance Information

REACH registered substance data was upgraded on 9th November. The per substance REACH registration status is being calculated and will be made available as soon as possible.

We apologise for the inconvenience in the meantime.

Substance Infocard

IC

crystalline silica: quartz (SiO2); [1] tridymite; [2] cristobalite; [3]

EC / List no.: -

CAS no.: -

Mol. Formula:

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Key datasets

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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):

CLP - Classification, Labelling and Packaging
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Substance names and other identifiers

Regulatory process names
crystalline silica: quartz (SiO2); [1] tridymite; [2] cristobalite; [3]
Other
crystalline silica: quartz (SiO2); [1] tridymite; [2] cristobalite; [3]
Other
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Group members

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

Name EC / List no. CAS no. Association
Cristobalite 238-455-4 14464-46-1 Expert judgement
Tridymite 239-487-1 15468-32-3 Expert judgement
Quartz (SiO2) 238-878-4 14808-60-7 Expert judgement

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