Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

First-aid measures

Emergency measure - Inhalation: Using appropriate personnel protective equipment, move

exposed subject to fresh air.  If breathing is difficult or

ceases, ensure and maintain ventilation.  Give oxygen as

appropriate.  The exposed subject should be kept warm and at

rest.  Obtain medical attention in cases of known or

possible over exposure, or with symptoms including chest

pain, difficulty breathing, loss of consciousness or other

adverse effects, which may be delayed.

Emergency measure - Eyes: Wash immediately with clean and gently flowing water.

Continue for at least 15 minutes.  Obtain medical attention.

Emergency measure - Skin: Using appropriate personal protective equipment, remove

contaminated clothing and flush exposured area with large

amounts of water. Obtain medical attention if skin reaction

occurs, which may be immediate or delayed.

Emergency measure - Ingestion: Obtain medical attention immediately.

Fire-fighting measures

Recommended extinguishing agent: Water, dry powder or foam extinguishers are recommended.

Carbon dioxide extinguishers maybe ineffective.

Product arising from burning: Oxides of carbon, boron compounds.

Product determined by test: N

Protective equipment: Since toxic, corrosive or flammable vapours might be evolved

from fires involving this material, self contained

breathing apparatus and full protective equipment are

recommended for firefighters.

Accidental release measures

Emergency measures in case of spillage: Fence or cordon the affected area and do not allow

individuals to touch or walk through the spilled material

unless wearing appropriate protective clothing.  Avoid dust

generation.

Prevent entry into waterways, sewers, surface drainage

systems and poorly ventilated areas.  If spill is outdoors,

cover with plastic sheet to minimise spreading or contact

with rain.

Collect and place it in a suitable, properly labelled

container for recovery and disposal.

No specific decontamination or detoxification procedures

have been identified for this material.  Consider use of

water, detergent solutions, or other soluble solvents, for

clean-up and decontamination operations.  Avoid

decontamination with oxidizing agents such as household

bleach which will release hazardous hydrochloric acid

vapours.

Handling and storage

Handling: Any mechanical operations used for particle size reduction

should be performed in a manner that do not produce

localised heating.  Bond and earth (ground) all plant and

equipment to ensure that no isolated conductors are present.

Consider earthing (grounding) personnel dealing wih dusty

operations.  An isolated (insulated) human body can readily

produce electrostatic discharges in excess of 50 mJ, but

have been recorded up to 100 mJ.

The maximum surface temperature of enclosures potentially

exposed to this material should be based on the lower of the

values obtained by taking 2/3 minimum ignition temperature

of the dust cloud or 75k less than the minimum ignition

temperature of the dust layer.

Depending upon the scale of operation, a fume cupboard or

other type of exhaust ventilation is recommended to

routinely control exposure to this material.

Assess operations based upon available dust explosion

information to determine the suitability of preventive

systems as precautionary measures against possible dust

explosions.  If prevention is not possible, consider

protection by use of containment, venting or suppression of

dust handling equipment.  Where explosion venting is

considered the most appropriate method of protection, vent

areas should preferably be calculated based on the Kst

rather than the St value.

If nitrogen purging is considered as the protective system,

it must operate with an oxygen level below the limiting

oxygen concentration. The system should include an oxygen

monitoring and shut-down facility in the event of excessive

oxygen being detected.

At both ambient and low humidity, this material is of

appreciable conductivity. Generation and accumulation of

electrostatic charge is considered unlikely to occur when

handled in an earthed (grounded) environment.  Under these

conditions, it is considered that this material might

present a low risk of producing an electrostatic discharge.

At ambient humidity, this material has a fast charge

relaxation time.  Accumulation of electrostatic charge is

considered unlikely to occur when handled in an earthed

(grounded) environment.  At the end of the charge

accumulation process charge is expected to be lost readily

to earth (ground).

At low humidity, material has extremely long charge

relaxation time.  Accumulation of electrostatic charge will

occur even when handled in an earthed (grounded)

environment.  Under these conditions, it is considered that

this material might present a very high risk of producing an

electrostatic charge.

Storage: Keep in tightly closed containers or packages away from

moisture and away from sources of ignition.  Avoid prolonged

storage at elevated temperatures (greater than room

temperature, approximately 20 degrees C).

Packaging of the substance and or preparation: The substance is packed in 5 kg lots in a conductive

polyethylene bag with a nylon tie.  Five of these bags are

packed inside a polyethylene liner in a 60 litre HDPE

Bowater drum.

Transport information

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Marine transport (UN RTDG/IMDG)

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Air transport (UN RTDG/ICAO/IATA)

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Special provisions / remarks
Remarks:
Transport: Not classified for transport.


Transportation and shipping of this material is not
restricted. It has no known, significant hazards requiring
special packaging or labelling for air, maritime, US or
European ground transport purposes.
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Exposure controls / personal protection

Stability and reactivity

Danger other than fire: Thermal Stability:

Thermal hazard screening indicated that the rate of self-

heating and energy of decomposition may result in rapid and

vigorous decomposition.  Gas or vapour may be evolved and

process equipment/container may rupture.

Materials to Avoid:

Strong acids.  Strong oxidizing agents.  Strong bases.

Conditions to Avoid:

Avoid direct sunlight, conditions that might generate heat

and dispersion as a dust cloud.

Dust explosion: This material is classified as a combustible solid and will

support propagating combustion.

Ignition of dust cloud produces a weak explosion.

Dust clouds are sensitive to electrostatic ignition.

Dust Explosion Properties

Group              A

P max              7.8 bar

dP/dT              605 bar/s

Kst                164 bar.m/s

St Class           1

Limiting Oxygen    6 %

Concentration

Minimum Ignition   380°C

Temperature-cloud

Minimum Ignition

Temperature-Layer  160°C

Dust explosion determined by test: Y

Disposal considerations

Industry - Possibility of recovery/recycling: May be possible to recover or recycle.

Industry - Possibility of neutralisation: Incineration

Industry - Possibility of destruction: controlled discharge: Not Recommended

Industry - Possibility of destruction - incineration: Recommended

Industry - Possibility of destruction - water purification: Not Recommended

Industry - Possibility of destruction - other: Not known

Public at large - Possibility of recovery/recycling: Not applicable as not used by the public.