Benzophenone-3,3':4,4'-tetracarboxylic dianhydride

Guidance on Safe Use

First-aid measures

Description of first aid measures:

Pay attention to self-protection.

Remove victims from hazardous area.

Immediately remove soiled or soaked clothing and remove it to a safe distance.

Keep victim warm, in a stabilized position and covered.

Do not leave victims unattended.

If the casualty is unconscious: Place the victim in the recovery position.

Inhalation:

Inhalation is possible if aerosols, mists, dusts, or smoke form.

Move victims into fresh air.

With labored breathing: Provide with oxygen. Consult a doctor.

If the casualty is not breathing: Perform mouth-to-mouth resuscitation, notify emergency physician immediately.

Skin contact:

Wash off affected area immediately with plenty of water for at least 15 minutes.

With liposoluble substances, products, or preparations, continue decontamination with polyethylene glycol 400 after initial rinsing with water and then

wash with water and soap.

If symptoms persist, consult a physician for treatment.

Eye contact:

With eye held open, thoroughly rinse immediately with plenty of water for at least 10 minutes.

Consult an ophthalmologist immediately if the symptoms persist.

When dealing with caustic substances, notify emergency physician immediately (key words: burns in eye).

Ingestion:

Rinse out mouth.

Immediately give large quantities of water to drink.

Consult a physician immediately.

When dealing with caustic substances, notify emergency physician immediately.

Most important symptoms and effects, both acute and delayed:

Hazards

Strongly irritating to corrosive.Harmful by inhalation, in contact with skin and if swallowed.Vapours may cause drowsiness and dizziness.

Indication of any immediate medical attention and special treatment needed:

In case of substances with high water solubility, inhalation of vapors, aerosols, mists, and smoke from caustic substances, products, and preparations, as well as caustic gases, results in irritations up to formation of necrosis in the upper respiratory tract.

The initial focus is on the local action: signs of irritation of the respiratory tract such as coughing, burning behind the sternum, tears, burning in the eyes or nose.

There is a fundamental risk of acute toxic pulmonary edema!

In case of substances with low water solubility, only slight local irritations may appear at first, but after several hours of latency without symptoms, may develop into increasingly labored breathing and cyanosis as a result of a delayed pulmonary edema.

There is a danger of underestimating the severity of the intoxication!

Fire-fighting measures

Suitable extinguishing media:

Water spray, foam, CO2, dry powder.

Unsuitable extinguishing media:

High volume water jet

Special hazards arising from the substance or mixture:

None known.

Special protective equipment for fire-fighters:

In case of fire: full protective suit and wear a self contained respiratory apparatus

Advice for firefighters:

Fire residues and contaminated fire extinguishing water must be disposed of in accordance with local regulations.

In case of fire, remove the endangered barrels and bring to a safe place, if this can be done safely.

In case of fire: full protective suit and wear a self contained respiratory apparatus

Accidental release measures

Personal precautions, protective equipment and emergency procedures:

Ensure adequate ventilation.

Wear personal protective equipment.

Keep unauthorized persons away.

Environmental precautions:

No special environmental precautions required.

Methods and material for containment and cleaning up:

Avoid dust formation.

Rinse away any residue with water. Collect in suitable containers.

Handling and storage

Handling:

Precautions for safe handling

Avoid residues of the product on the containers.

Ensure adequate ventilation.

Avoid contact with skin, eyes and clothing.

Avoid dust formation.

Wash face and/or hands before break and end of work.

Wear personal protective equipment.

Conditions for safe storage, including any incompatibilities

Storage:

Conditions for safe storage, including any incompatibilities.

Store in the original receptacle, keeping this tightly sealed, under cool and dry conditions.

Further information:

In order to ensure due transportation, make certain that stacks are of the correct height, containers are securely fastened so as not to fall off, and labelled according to the regulations.

Dust explosion class:

St3

Maximum rate of pressure rise: 1220 bar/s       

Standardized max. rate of pressure increase, KSt: 331 bar•m/s

mean grain size

9 µm

St3

Maximum rate of pressure rise: 1362 bar/s       

Standardized max. rate of pressure increase, KSt: 370 bar•m/s

mean grain size

2 µm

German storage class

Combustible / non-combustible liquids and solids not assigned to other storage classes.

Transport information

Land transport (UN RTDG/ADR/RID)

Shipping

Special provisions / remarks

Remarks:

Transport/further information:
Not dangerous according to transport regulations.

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

Shipping

Special provisions / remarks

Remarks:

Transport/further information:
Not dangerous according to transport regulations.

Marine transport (UN RTDG/IMDG)

Shipping

Special provisions / remarks

Remarks:

Transport/further information:
Not dangerous according to transport regulations.

Air transport (UN RTDG/ICAO/IATA)

Shipping

Special provisions / remarks

Remarks:

Transport/further information:
Not dangerous according to transport regulations.

Additional transport information

Additional information

Special provisions / remarks / other:

Transport/further information:
Not dangerous according to transport regulations.

Exposure controls / personal protection

Control parameters:

DNEL/DMEL values

      End Use       Workers

      Routes of exposure       Inhalation

      Possible health damage       Long-term - systemic effects

      Value       0,3 mg/m3

      End Use       Workers

      Routes of exposure       Inhalation

      Possible health damage       Acute - systemic effects

      Value       0,9 mg/m3

      End Use       Workers

      Routes of exposure       Inhalation

      Possible health damage       Long-term - local effects

      Value       0,1 mg/m3

      End Use       Workers

      Routes of exposure       Inhalation

      Possible health damage       Acute - local effects

      Value       0,3 mg/m3

      End Use       Workers

      Routes of exposure       dermal

      Possible health damage       Long-term - systemic effects

      Remarks       not derived

Low hazard (no threshold derived).

      End Use       Workers

      Routes of exposure       dermal

      Possible health damage       Acute - systemic effects

      Remarks       not derived

Low hazard (no threshold derived).

      End Use       Workers

      Routes of exposure       dermal

      Possible health damage       Long-term - local effects

      Remarks       high hazard

Respiratory or skin sensitisation

      End Use       Workers

      Routes of exposure       dermal

      Possible health damage       Acute - local effects

      Remarks       high hazard

Respiratory or skin sensitisation

PNEC values              Freshwater

      Value       0,07 mg/l

             marine water

      Value       0,007 mg/l

             water - intermittent releases

      Value       0,7 mg/l

             Fresh water sediment

      Value       2,4 mg/kg (dry weight)

             marine water sediment

      Value       0,24 mg/kg (dry weight)

             STP

      Value       40 mg/l

             Soil

      Value       0,27 mg/kg (dry weight)

             Air

      Remarks       No values determined.

      

Engineering measures:

Provide appropriate exhaust ventilation at machinery.

If possible, use material transfer/filling, metering and blending plants that are closed, or provide for local suction devices.

Provide sufficient air exchange and/or exhaust in work rooms.

Personal protective equipment:

Respiratory protection:

use respiratory equipment with suitable filter (filter type P2) or wear a self contained respiratory apparatus

Note time limit for wearing respiratory protective equipment.

Hand protection:

Applies to handling for brief periods or of small amounts

Glove material       Nitrile, for example, Dermatril 740, Kächele-Cama Latex GmbH (KCL), Germany

Material thickness: 0.11 mm

Method: DIN EN 374

Applies to handling for longer periods or of large amounts

Glove material: Nitrile/Chloroprene, for example, Nitopren 717, Kächele-Cama Latex GmbH (KCL), Germany

Material thickness: 0.65 mm

Method: DIN EN 374

Eye protection:

Safety glasses with side-shields conforming to EN166

Skin and body protection

Suitable protective clothing - Use disposable clothing if appropriate.

Hygiene measures:

Avoid contact with skin and eyes.

In case of skin contact

Wash off with plenty of water and soap.

No eating, drinking, smoking, or snuffing tobacco at work. Wash face and/or hands before break and end of work.

Take off clothing and shoes contaminated with product. Clean before reuse.

Protective measures:

The personal protective equipment used must meet the requirements of directive 89/686/EEC and amendments (CE certification).

Stability and reactivity

Reactivity

No further information available

Chemical stability

No further information available

Possibility of hazardous reactions

No further information available

Conditions to avoid:

None known

Incompatible materials:

Alkali metals, alkali hydroxide, oxidants, ammonia, amines, reducing agents, alcohols, reacts slowly with water

Hazardous decomposition products:

Emits irritating fumes upon heating at 227-289 deg. C (441-552 deg. F).

Decomposes at temperatures >/= 300 deg. C (572 deg. F) to form carbon monoxide, carbon dioxide, and water.

Further information:

Stable under normal conditions.

Disposal considerations

Product:

Disposal according to local authority regulations.

Pack and label wastes like the pure substance. Do not detach label from the delivery containers prior to disposal.

Uncleaned packaging:

Do not reuse empty containers and dispose of in accordance with the regulations issued by the appropriate local authorities.

Waste Key Number:

The waste key number must be determined as per the European Waste Types List (decision on EU Waste Types List 2000/532/EC) in cooperation with the disposal firm / producing firm / official authority.