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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 810-289-2 | CAS number: 41935-71-1
Guidance on Safe Use
Administrative data
First-aid measures
After inhalation
Provide fresh air. Medical treatment necessary.
After contact with skin
After contact with skin, wash immediately with polyethylene glycol, followed by plenty of water. Take off immediately all contaminated clothing and wash it before reuse. Medical treatment necessary.
After contact with eyes
After contact with the eyes, rinse with water with the eyelids open for a sufficient length of time , then consult an ophthalmologist immediately.
After ingestion
Rinse mouth immediately and drink plenty of water. Induce vomiting when the affected person is not unconscious. Call a physician immediately.
Fire-fighting measures
Suitable extinguishing media
Co-ordinate fire-fighting measures to the fire surroundings.
Extinguishing powder, Water spray, Foam,Carbon dioxide (CO2)
Unsuitable extinguishing media
Full water jet
Advice for firefighters
Wear a self-contained breathing apparatus and chemical protective clothing. Full protection suit.
Additional information
Suppress gases/vapours/mists with water spray jet. Collect contaminated fire extinguishing water separately.
Do not allow entering drains or surface water.
Accidental release measures
Personal precautions, protective equipment and emergency procedures
Provide adequate ventilation. Avoid dust formation. Do not breathe dust. Avoid contact with skin, eyes and clothes. Use personal protection equipment.
Environmental precautions
Do not allow to enter into surface water or drains.
Methods and material for containment and cleaning up
Take up mechanically. Treat the recovered material as prescribed in the section on waste disposal.
Handling and storage
Advice on safe handling
If handled uncovered, arrangements with local exhaust ventilation have to be used. Avoid dust formation. Do not breathe dust.
Advice on protection against fire and explosion
No special fire protection measures are necessary
Requirements for storage rooms and vessels
Keep container tightly closed. Keep locked up. Store in a place accessible by authorized persons only. Provide adequate ventilation as well as local exhaustion at critical locations.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- UN 2811
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Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- UN 2811
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Marine transport (UN RTDG/IMDG)
- UN number:
- UN 2811
Shipping information
- Proper shipping name and description:
- TOXIC SOLID, ORGANIC, N.O.S. (4-hydroxy-5-methylpyridin-2(1H)-one)
- Chemical name:
- 4-hydroxy-5-methylpyridin-2(1H)-one
- Labels:
- 6.1
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Air transport (UN RTDG/ICAO/IATA)
- UN number:
- UN 2811
Shipping information
- Proper shipping name and description:
- TOXIC SOLID, ORGANIC, N.O.S. (4-hydroxy-5-methylpyridin-2(1H)-one)
- Chemical name:
- 4-hydroxy-5-methylpyridin-2(1H)-one
- Labels:
- 6.1
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Exposure controls / personal protection
Appropriate engineering controls
If handled uncovered, arrangements with local exhaust ventilation have to be used. Do not breathe dust.
Protective and hygiene measures
Remove contaminated, saturated clothing immediately. Draw up and observe skin protection programme.
Wash hands and face before breaks and after work and take a shower if necessary . When using do not eat or drink.
Eye/face protection
Suitable eye protection: goggles.
Hand protection
When handling with chemical substances, protective gloves must be worn with the CE-label including the four control digits. The quality of the protective gloves resistant to chemicals must be chosen as a function of the specific working place concentration and quantity of hazardous substances. For special purposes, it is recommended to check the resistance to chemicals of the protective gloves mentioned above together with the supplier of these gloves.
Skin protection
Wear suitable protective clothing.
Respiratory protection
In case of inadequate ventilation wear respiratory protection.
Stability and reactivity
No hazardous reaction when handled and stored according to provisions.
The product is stable under storage at normal ambient temperatures.
No known hazardous reactions.
No information available on the incompatible materials.
No known hazardous decomposition products.
Disposal considerations
Do not allow to enter into surface water or drains. Do not allow to enter into soil/subsoil. Dispose of waste according to applicable legislation.
This material and its container must be disposed of as hazardous waste. Handle contaminated packages in the same way as the substance 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.
