Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 230-191-8 | CAS number: 6969-71-7
Guidance on Safe Use
Administrative data
First-aid measures
IF exposed or if you feel unwell: Call a POISON CENTER or doctor/physician.
Fire-fighting measures
Spray water, dry powder, chemical foam, CO2
If heating the substance may generate toxic fumes of COx and NOx.
Accidental release measures
All equipments and plants have automatic alarms and containment systems based on specific planning norms.
Handling and storage
1,2,4-Triazolo(4,3-a)Pyridin-3(2H)-one is a pharmaceutical intermediate only used in a chemical syntesis, under strictly controlled conditions.
The production and use process are performed in reactors in "closed cycle". Workers handle the substance in glove box, under vacuum or using localized intake.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
During all process workers follow the internal procedure and wear appropriate PPE.
Only trained and authorised personnel handle the substance. The workers are provided with training (procedures during the normal handling and during the malfunctioning of the process and in accidental situations with the actions to be taken in order to safeguard themself and other workers at the workplace) and with the safety date sheet and the label for each substance they use.
Stability and reactivity
Stable under normal conditions of use.
Disposal considerations
The gaseous emissions are treated with a two-stage system; the substance emissions in the atmosphere are excluded.
The liquid waste are conveyed to the water purification plant or to the external disposal plants.
The solid waste are conveyed to the external disposal plants.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
