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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 441-000-4 | CAS number: 121219-07-6 1-ETHOXY-2,3-DIFLUORBENZOL; 1-ETHOXY-2,3-DIFLUOROBENZENE; 2,3-DIFLUOROPHENETOL; DIPHOL
Guidance on Safe Use
Administrative data
First-aid measures
After inhalation: fresh air.
After skin contact: wash off with plenty of water. Remove contaminated clothing.
After eye contact: rinse out with plenty of water. Immediately call in ophthalmologist.
After swallowing: immediately make victim drink water (two glasses at most). Consult a physician.
ataxia (impaired locomotor coordination), Salivation
Fire-fighting measures
Suitable extinguishing media Water, Carbon dioxide (CO₂), Foam, Dry powder
Unsuitable extinguishing media For this substance/mixture no limitations of extinguishing agents are given.
Combustible material, Vapours are heavier than air and may spread along floors.
Development of hazardous combustion gases or vapours possible in the event of fire.
Fire may cause evolution of:
Hydrogen fluoride
Forms explosive mixtures with air at elevated temperatures.
Accidental release measures
Advice for non-emergency personnel: Avoid substance contact. Do not breathe vapours, aerosols. Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.
Handling and storage
Observe label precautions.
Tightly closed.
Store at +15°C to +25°C.
The substance is manufactured and used under strictly controlled conditions in that it is rigorously contained during its whole lifecycle. This is confirmed for the manufacturing process, the transport as well as for the use of the substance.
Transport information
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Marine transport (UN RTDG/IMDG)
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Exposure controls / personal protection
This substance is handled under Strictly Controlled Conditions in accordance with the ECHA REACH Guidance on Intermediates (Feb 08) and the Cefic/CONCAWE guidance for industry on SCC (February 09). Site documentation to confirm safe handling arrangements in accordance with risk-based management systems is available at the manufacturing/import site.
Technical measures and appropriate working operations should be given priority over the use of personal protective equipment.
Individual protection measures
Protective clothing needs to be selected specifically for the workplace, depending on concentrations and quantities of the hazardous substances handled. The chemical resistance of the protective equipment should be enquired at the respective supplier.
Hygiene measuresImmediately change contaminated clothing. Apply preventive skin protection. Wash hands and face after working with substance.
Eye/face protectionSafety glasses
Hand protectionsplash contact:
Glove material: Viton (R)
Glove thickness: 0,70 mm
Break through time: > 480 min
The protective gloves to be used must comply with the specifications of EC Directive 89/686/EEC and the related standard EN374.
Respiratory protection required when vapours/aerosols are generated.
Stability and reactivity
The product is chemically stable under standard ambient conditions (room temperature) .
Violent reactions possible with:
Strong oxidizing agents
Strong heating.
A range from approx. 15 Kelvin below the flash point is to be rated as critical.
Disposal considerations
Waste material must be disposed of in accordance with the Directive on waste 2008/98/EC as well as other national and local regulations. Leave chemicals in original containers. No mixing with other waste. Handle uncleaned containers like the product itself.
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.
