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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Guidance on Safe Use

Guidance on Safe Use

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Administrative data

First-aid measures

Emergency measure - Inhalation: Remove patient to fresh air. Seek medical attention

immediately.

Emergency measure - Eyes: Irrigate for at least 15 minutes and seek medical attention.

Emergency measure - Skin: Remove contaminated clothing Wash with water. If irritation develops seek medical

attention.

Emergency measure - Ingestion: Never give anything by mouth to an unconscious person. Wash out mouth with water. Do not

induce vomiting unless directed by medical personnel. Seek medical attention immediately.

Fire-fighting measures

Recommended extinguishing agent: Water spray, foam, dry powder or carbon dioxide may be used.

Product arising from burning: Products of combustion may contain oxides of carbon and

nitrogen and hydrogen fluoride.

Fire / Explosion Hazards: Strong dust explosion characteristic.

Advice for Fire-Fighters: During all fire fighting activities, wear appropriate protective equipment, including self-contained breathing apparatus.

Protective equipment: A self-contained breathing apparatus should be worn.

Accidental release measures

Personal Precautions, Protective Equipment and Emergency Procedures: Personnel involved in clean-up should wear appropriate personal protective equipment. Minimize exposure.

Eliminate all sources of ignition and ventilate area using explosion-proof equipment.

Environmental Precautions: Place waste in an appropriately labeled, sealed container for disposal. Care should be taken to avoid environmental release.

Methods and Material for Containment and Cleaning Up

Contain the source of the spill if it is safe to do so. Collect spilled material by a method that controls dust generation. Clean spill area thoroughly. Avoid use of a filtered vacuum to clean spills of dry solids, due to the potential for electrostatic discharge and the strong dust explosion characteristic.

Additional Consideration for Large Spills:

Non-essential personnel should be evacuated from affected area. Report emergency

situations immediately. Clean up operations should only be undertaken by trained personnel

Handling and storage

Ground and bond all bulk transfer equipment. Avoid open handling. Minimize dust generation. Use local exhaust ventilation orperform work under fume hood/fume cupboard. Avoid inhalation and contact with skin, eye, and clothing. When handling, use appropriate personal protective equipment . Wash hands and any exposed skin after removal of PPE. All conductive elements of the system that contact the dry substance should be properly bonded and grounded and equipped with proper explosion relief or suppression systems. This material should not be flowed through nonconductive ducts or pipes

because of the potential for electrostatic discharge ignition. Restricting the use of high resistivity materials, such as plastics,

should be considered. Releases to the environment should be avoided. Review and implement appropriate technical and

procedural waste water and waste disposal measures to prevent occupational exposure or environmental releases. Potential

points of process emissions of this material to the atmosphere should be controlled with dust collectors, HEPA filtration systems

or other equivalent controls.

Conditions for Safe Storage, Including any Incompatibilities

Storage Conditions: Store at room temperature in properly labeled containers. Keep away from heat, sparks and

flame

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:
UN 3077

Shipping information
Proper shipping name and description:
UN proper shipping name: Environmentally Hazardous Substance, Solid, n.o.s (Substituted pyrimidine), Marine Pollutant
Language:
English
SpecialProvisionsopen allclose all

Inland waterway transport (UN RTDG/ADN(R))

UN number:
UN 3077
Shipping information
Proper shipping name and description:
UN proper shipping name: Environmentally Hazardous Substance, Solid, n.o.s (Substituted pyrimidine), Marine Pollutant
Language:
English
Remarksopen allclose all

Marine transport (UN RTDG/IMDG)

UN number:
UN 3077
Shipping information
Proper shipping name and description:
UN proper shipping name: Environmentally Hazardous Substance, Solid, n.o.s (Substituted pyrimidine), Marine Pollutant
Marine pollutant
Remarksopen allclose all

Air transport (UN RTDG/ICAO/IATA)

UN number:
UN 3077
Shipping information
Proper shipping name and description:
UN proper shipping name: Environmentally Hazardous Substance, Solid, n.o.s (Substituted pyrimidine), Marine Pollutant
Special provisions / remarks
Remarks:
Transport code: UN 3077, Class 9
Transport: Environmentally hazardous substance, Solid, NOS

(Pharmaceutical Intermediate).


Keep containers tightly sealed and store upright during
storage. If possible, secure to prevent containers from
falling over.
SpecialProvisionsopen allclose all

Exposure controls / personal protection

Engineering Controls: Engineering controls should be used as the primary means to control exposures. Use process

containment, local exhaust ventilation, or other engineering controls to maintain airborne levels

below recommended exposure limits.

Personal Protective Equipment:

Refer to applicable national standards and regulations in the selection and use of personal

protective equipment (PPE).

Hands: Wear impervious gloves as minimum protection.

Eyes: Wear safety glasses as minimum protection.

Skin: Wear impervious protective clothing when handling this compound.

Respiratory protection: If the applicable Occupational Exposure Limit (OEL) is exceeded, wear an appropriate

respirator with a protection factor sufficient to control exposures to below the OEL.

Stability and reactivity

Danger other than fire: None reported.  Chemical reaction with water: None reported.

Dust Explosivity:

Max. Explosion Pressure (bar): 9.0

Max. Rate of Pressure Rise (bar/sec): 768

Kst Value (bar*m/s): 208

St Class: 2

Min. Ignition Energy (mJ): 35-40

Min. Ignition Temperature (°C): 530

Limiting Oxygen Concentration (% vol): 13

Min. Explosion Concentration (g/m3): 45 g/m³

Electrostatic Risk:

Charge Relaxation Time:

Ambient Humidity: <1 Hours

Low Humidity: Hours

Resistivity (ohm-m):

Powder: Ambient: 1.1E7

Low: 1.1E11

Polymerization: Will not occur

Disposal considerations

Waste Treatment Methods: Dispose of waste in accordance with all applicable laws and regulations. Member State

specific and Community specific provisions must be considered. Considering the relevant

known environmental and human health hazards of the material, review and implement

appropriate technical and procedural waste water and waste disposal measures to prevent

occupational exposure and environmental release. It is recommended that waste minimization

be practiced. The best available technology should be utilized to prevent environmental

releases. This may include destructive techniques for waste and wastewater.