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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 203-251-6 | CAS number: 104-91-6
Guidance on Safe Use
Administrative data
First-aid measures
If inhaled
Move the victim to fresh air.
Give oxygen or artificial respiration if needed.
Get immediate medical advice/ attention.
Never give anything by mouth to an unconscious person.
In case of skin contact
Wash off immediately with plenty of water for at least 15 minutes.
Use a mild soap if available.
Remove contaminated clothing and shoes.
If skin irritation occurs: Get medical advice/ attention.
In case of eye contact:
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.
Get medical attention immediately if irritation develops and persists.
If swallowed:
Get immediate medical advice/ attention.
Fire-fighting measures
Thermal decomposition may produce oxides of carbon and nitrogen.
Burning produces noxious and toxic fumes.
Product burns vigorously when exposed to heat or flame. Contamination by acids or alkalies may cause ignition. Product can heat spontaneously and cause fire. An exotherm occurs at approximately 300 F that can lead to ignition of this material.
Accidental release measures
Do not touch spilled material. Ventilate area of spill or leak. Remove all sources of ignition, heat, flames or sparks. Small spills: flood with water. Larger spills: wet down area with water and dike for later disposal. Keep unnecessary people away, isolate area and deny entry.
Handling and storage
Keep away from heat.
Keep away from flames and sparks.
PNP contamination with incompatible materials or storage for extended periods in hot conditions can cause spontaneous combustion. Refrigerated storage and transportation at temperatures of 45 °F or less is highly recommended.
Avoid contact with skin, eyes and clothing.
Wash thoroughly after handling.
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- UN 3088
Shipping information
- Proper shipping name and description:
- Self-heating, solid, organic, n.o.s.
- Chemical name:
- p-Nitrosophenol
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Marine transport (UN RTDG/IMDG)
- UN number:
- UN 3088
Shipping information
- Proper shipping name and description:
- Self-heating solid, organic, n.o.s.
- Chemical name:
- p-Nitrosophenol
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Air transport (UN RTDG/ICAO/IATA)
- UN number:
- UN3088
Shipping information
- Proper shipping name and description:
- Self-heating solid, organic, n.o.s.
- Chemical name:
- p-Nitrosophenol
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Exposure controls / personal protection
Engineering measures :
Local ventilation recommended - mechanical ventilation may be used.
Personal protective equipment: Respiratory protection
Hand protection
Butyl Rubber, PVC Or Neoprene.
Eye protection:
Safety glasses with side-shields
Tightly fitting safety goggles
Skin and body protection
Impervious clothing
Stability and reactivity
Self-heating: may catch fire. Decomposes by reaction with alkaline solutions.
Disposal considerations
These wastes must be treated before disposal.
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.
