Pyrocatechol

Guidance on Safe Use

First-aid measures

Inhalation :

Move to fresh air.

- If breathing is difficult, give oxygen.

- Consult a physician if necessary

Skin contact :

Take off contaminated clothing and shoes immediately

Wash off with plenty of water.

- Wash immediately and thoroughly for a prolonged period (at least 15 minutes).

- Call a physician if irritation develops or persists

Eye contact :

Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.

- Get immediate medical advice/ attention.

- If it is necessary to transport the patient to a physician and the eye needs to be bandaged, use a dry sterile cloth

pad and cover both eyes.

Ingestion :

 Do NOT induce vomiting.

- Rinse mouth with water.

- Do not give anything to drink.

- Consult a physician if necessary.

Further information:

Place contaminated clothing in a sealed bag for disposal. Use appropriate protective equipment when treating a contaminated person.

Fire-fighting measures

Extinguishing media

- Suitable : Water spray Carbon dioxide (CO2) Foam

Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

- Not suitable : High volume water jet

If there is a a fire close by, use suitable extinguishing agents.

Specific hazards : On combustion, toxic gases are released.

- Combustible solid. (solid state)

- Risk of dust explosion.(solid state)

Specific fire fighting methods : Use appropriate means for fighting adjacent fires.

- Evacuate personnel to safe areas.

- Cool containers/tanks with water spray.

Protection of fire-fighters : Impermeable boots and protective equipment.

Self-contained breathing apparatus.

Accidental release measures

Personal precautions :

Avoid contact with skin and eyes.

- Do not breathe vapour.

- Do not breathe dust.

- Ventilate the area.

Remove all sources of ignition.

- Personal protective equipment

- Self-contained breathing apparatus (EN 133)

- Wear suitable gloves.

- water-proof  Boots

- Eye/face protection (safety glasses + visor).

- Only qualified personnel equipped with suitable protective equipment may intervene.

Environmental precautions

- Do not allow uncontrolled discharge of product into the environment.

-Contain the spilled material by bunding (product is hazardous for the environment).

Significant spillages :If spillage occurs on the public highway, indicate the danger and notify the authorities (police, fire brigade ).

- Mark the contaminated area with signs and prevent access to unauthorized personnel.

- Warn of danger.

Cleaning and maintenance:

-All rooms and equipment have to be cleaned regularly.

-Use protective equipment while cleaning if necessary.

-Avoid dust formation. Dust formation that cannot be avoided must be collected regularly.

-Use a tested industrial vacuum cleaner or suction device.

-Do not raise dust while cleaning.

-Use of a blower for cleaning is not permitted.

-A device that has become dirty may only be used in other work areas after it has been cleaned.

-Only conduct maintenance and other work on or in the vessel or closed spaces after obtaining written permission

Methods for cleaning up

- Recovery : Recover as much of the product as possible.

Recover the product by vacuuming/shovelling (solide state)

- Avoid dust formation.

- Non-sparking tools should be used.

- Molten form : Allow to solidify, use mechanical handling equipment.

Collect up the product and place it in a spare container:

- suitably labelled.

- made of plastic. (solid state)

Keep in suitable, closed containers for disposal.

- Cleaning/Decontamination : Wash with caustic soda solution (2-5 % NaOH).

Then wash off with plenty of water.

Recover the cleaning water for subsequent disposal.

Disposal

- Treat recovered material as described in the section "Disposal considerations".

Handling and storage

This substance is handled under Strictly Controlled Conditions in accordance with REACH regulation Article 17(3) for on-site isolated intermediates and, in case the substance is transported to other sites for further processing, the substance should be handled at these sites under the Strictly Controlled Conditions as specified in REACH regulation Article 18(4). Site documentation to support safe handling arrangements including the selection of engineering, administrative and personal protective equipment controls in accordance with risk-based management systems is available at each Manufacturing site.

Written confirmation of application of Strictly Controlled Conditions has been received from every affected Distributor and Downstream Manufacturer/User of the Registrant’s intermediate.

HANDLING see chapter Personal Protection and Exposure Control

. Avoid exposure - obtain special instructions before use and comply with instructions for use.

. The product must only be handled by specifically trained employees.

. Reduce the duration of exposure to the minimum required.

. Prevent unauthorised persons entering the zone.

. The danger areas must be delimited and identified using relevant warning and safety signs.

-Avoid the formation or spread of dust in the atmosphere.

-Avoid splashes (molten state)

Potential dust explosion hazard.

- Do not allow contact with air.

- Take measures to prevent the build up of electrostatic charge.

Earth the equipment used to transfer the product.

- Non-sparking tools should be used.

- It is recommended that all dust control equipment such as local exhaust ventilation and material transport systems

involved in handling of this product contain explosion relief vents or an explosion suppression system or an oxygen

deficient environment.

- Do not use compressed air for filling, discharging or handling. (molten state)

- If it is handled as a liquid, there is significant hazard of 1st, 2nd and 3rd degree burns

Technical measures :

- Only process in a closed system.

- Enclosure and/or isolation of emission source.

- Dust must be extracted directly at the point of origin.

- Vapour extraction at source

- Facilities and equipment easily cleanable.

- Separate rooms are required for washing, showering and changing clothes

- Air monitoring at regular intervals.

- Apply technical measures to comply with the occupational exposure limits.

STORAGE

Prevent unauthorized access.

Technical measures :

The floor of the depot should be impermeable.

Take all necessary measures to avoid accidental discharge of products into drains and waterways due to the rupture of containers or transfer systems.

 

Storage conditions

- Recommended :

To guarantee the quality and properties of the product :

-Do not allow contact with air.

- Protect against light.

-Keep under nitrogen. (molten state)

- Keep in a well-ventilated place.

- Keep container tightly closed and dry.

- Keep away from open flames, hot surfaces and sources of ignition. (solid state)

- Keep away from: Acids, Alkalis and caustic products.

Packaging :

Suitable material

- Polyethylene (solid state)

- Tinted glass. (solid state)

- Stainless steel (molten state)

Unsuitable material

- Aluminium and its alloys.

Remarks

- Keep only in the original container.

- Flexible container lined with a plastic film. (solid state)

- Cardboard drum with a polyethylene bag. (solid state)

- Paper bag lined with a plastic film. (solid state)

- Reheatable stainless steel road-tanker. (molten state)

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:

2811

Shipping

Labels:

6..1

SpecialProvisions

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

UN number:

2811

Shipping

Labels:

6.1

Remarks

Marine transport (UN RTDG/IMDG)

UN number:

2811

Shipping information

Proper shipping name and description:

TOXIC SOLID, ORGANIC, N.O.S. (CATECHOL)

Chemical name:

CATECHOL

Labels:

6.1

Remarks

Air transport (UN RTDG/ICAO/IATA)

UN number:

2811

Shipping information

Proper shipping name and description:

TOXIC SOLID, ORGANIC, N.O.S. (CATECHOL)

Chemical name:

CATECHOL

Labels:

6.1

Remarks

SpecialProvisions

Exposure controls / personal protection

This substance is handled under Strictly Controlled Conditions in accordance with REACH regulation Article 17(3) for on-site isolated intermediates and, in case the substance is transported to other sites for further processing, the substance should be handled at these sites under the Strictly Controlled Conditions as specified in REACH regulation Article 18(4).

Written confirmation of application of Strictly Controlled Conditions has been received from every affected Distributor and Downstream Manufacturer/User of the Registrant’s intermediate."

Engineering measures :

- Only process in a closed system.

- Enclosure and/or isolation of emission source.

- Dust must be extracted directly at the point of origin.

- Vapour extraction at source

- Facilities and equipment easily cleanable.

- Separate rooms are required for washing, showering and changing clothes

- Air monitoring at regular intervals.

- Apply technical measures to comply with the occupational exposure limits.

Individual protection measures

Respiratory protection:

Use a respirator with an approved filter if a risk assessment indicates this is necessary

In the case of dust or aerosol formation

- Respirator with a particle filter (EN 143)

- If vapour is released:

- Respirator with a vapour filter (EN 141)

Use Self-contained breathing apparatus for concentrations above the usage limits for filter devices, for oxygen concentrations below 17% volume

Hand protection

- Where there is a risk of contact with hands, use appropriate gloves

- The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN

374 derived from it.

 Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of

the gloves. Also take into consideration the specific local conditions under which the product is used, such as the

danger of cuts, abrasion, and the contact time.

Gloves must be inspected prior to use.

- Gloves should be discarded and replaced if there is any indication of degradation or chemical breakthrough.

- Handling molten product:

- Long sleeve gloves

use heat resistant gloves

Suitable material (Permeation time >= 8 hours)

- Rubber gloves :  Butyl rubber (0,5 mm), Nitrile rubber/Nitrile latex - NBR (0,35 mm), Fluoro carbon rubber - FKM (0,4 mm)

- PVC gloves  (0,5 mm)

Eye protection

Use equipment for eye protection tested and approved under EN 166 standard

- Safety glasses

Handling molten product:

- Safety goggles

- Face-shield

Skin and body protection :

- Choose body protection according to the amount and concentration of the dangerous substance at the work place.

- Remove and wash contaminated clothing.

- Wear suitable protective clothing, gloves and eye/face protection.

- Handling molten product:

- or

- In case of contact through splashing:

- Full protective suit

- Overall made of HYPALON or, failing this of PVC.

Hygiene measures

- Emergency equipment immediately accessible, with instructions for use.

- Ensure that eyewash stations and safety showers are close to the workstation location.

- Regular cleaning of equipment, work area and clothing.

- Before reuse, thoroughly clean personal protection equipment

- Use clean, well-maintained personal protection equipment.

- Store personal protection equipment in a clean location away from the work area.

- Keep working clothes separately.

- When using do not eat, drink or smoke.

- Contaminated work clothing should not be allowed out of the workplace.

- Contaminated clothing must never be washed or reused.      

- Wash hands before breaks and immediately after handling the product.

- Shower or bathe at the end of working.  

- The product must only be handled by specifically trained employees

General protective measures

- The substance/product is registered with strictly controlled conditions as defined in Article 18(4) of Regulation (EC)

No. 1907/2006 (REACH Regulation) and must therefore be handled as such.

Protective measures

- The protective equipment must be selected in accordance with current CEN standards and in cooperation with the

supplier of the protective equipment.

- Selection of appropriate personal protective equipment should be based on an evaluation of the performance

characteristics of the protective equipment relative to the task(s) to be performed, conditions present, duration of

use, and the potential hazards and/or risks that may occur during use.

Handle in accordance with good industrial hygiene and safety practice.

Environmental exposure controls

- Do not allow uncontrolled discharge of product into the environment.

- Dam up.

Stability and reactivity

Stability : Stable at room temperature.

Conditions to avoid

- Heat, flames and sparks.

- Static electricity (solid state)

- Avoid dust formation. (solid state)

- Materials to avoid : - bases.- oxidizing agents. -acids

- Hazardous decomposition products : On combustion or on thermal decomposition (pyrolysis) releases: toxic gas.

Disposal considerations

RESIDUES FROM PRODUCT

Destruction/Disposal :- Must be incinerated in a suitable incineration plant holding a permit delivered by the competent authorities.  - Do not dispose of together with household waste.

Prohibition : Do not allow the product to be released into the environment.

CONTAMINATED PACKAGING

Prohibition : Do not dispose of the product at a rubbish tip.

Do not dispose of with domestic refuse.

Decontamination/cleaning : Completely empty the packaging prior to decontamination. - Allow it to drain thoroughly.

Destruction/Disposal : Incinerate at a licensed installation.

NOTE : The user's attention is drawn to the possible existence of local regulations regarding disposal.