3,4-dihydroxybenzaldehyde

Guidance on Safe Use

First-aid measures

Description of first aid measures
In case of skin contact:
Immediately take off all contaminated clothing.
Areas of the body that have - or are only even suspected of having - come into contact with the
product must be rinsed immediately with plenty of running water and possibly with soap.
Wash thoroughly the body (shower or bath).
Remove contaminated clothing immediately and dispose off safely.
After contact with skin, wash immediately with soap and plenty of water.
In case of eyes contact:
After contact with the eyes, rinse with water with the eyelids open for a sufficient length of time,
then consult an opthalmologist immediately.
Protect uninjured eye.
In case of Ingestion:
Do not under any circumstances induce vomiting. OBTAIN A MEDICAL EXAMINATION IMMEDIATELY.
In case of Inhalation:
In case of inhalation, consult a doctor immediately and show him packing or label.
Most important symptoms and effects, both acute and delayed
None
Indication of any immediate medical attention and special treatment needed
In case of accident or unwellness, seek medical advice immediately (show directions for use or
safety data sheet if possible).
Treatment:
Treat symptomatically.

Fire-fighting measures

Extinguishing media
Suitable extinguishing media:
Water.
Carbon dioxide (CO2).
Extinguishing media which must not be used for safety reasons:None in particular.
Special hazards arising from the substance or mixture
Do not inhale explosion and combustion gases.
Burning produces heavy smoke.
Advice for firefighters
Use suitable breathing apparatus .
Collect contaminated fire extinguishing water separately. This must not be discharged into
drains.
Move undamaged containers from immediate hazard area if it can be done safely.

Accidental release measures

Personal precautions, protective equipment and emergency procedures
Wear personal protection equipment.
Wear breathing apparatus if exposed to vapours/dusts/aerosols.
Provide adequate ventilation.
Use appropriate respiratory protection.
See protective measures under point 7 and 8.
Environmental precautions
Do not allow to enter into soil/subsoil. Do not allow to enter into surface water or drains.
Retain contaminated washing water and dispose it.
In case of gas escape or of entry into waterways, soil or drains, inform the responsible
authorities.
Suitable material for taking up: absorbing material, organic, sand
Methods and material for containment and cleaning up
Wash with plenty of water.
Reference to other sections
See also section 8 and 13

Handling and storage

Precautions for safe handling
Avoid contact with skin and eyes, inhalation of vapours and mists.
Use localized ventilation system.
Don't use empty container before they have been cleaned.
Before making transfer operations, assure that there aren't any incompatible material residuals
in the containers.
See also section 8 for recommended protective equipment.
Advice on general occupational hygiene:
Contamined clothing should be changed before entering eating areas.
Do not eat or drink while working.
Conditions for safe storage, including any incompatibilities
Keep in original tight containers, in a dry and cool place.
Keep away from food, drink and feed.
Incompatible materials:
None in particular.
Instructions as regards storage premises:
Adequately ventilated premises.
Specific end use(s)
Fabricación principio activo farmacéutico

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:

Not classified as dangerous in the meaning of transport regulations.

Shipping

SpecialProvisions

Shipping

Remarks

Marine transport (UN RTDG/IMDG)

Shipping

Remarks

Shipping

Remarks

SpecialProvisions

Exposure controls / personal protection

Control parameters
No occupational exposure limit available
DNEL Exposure Limit Values
N.A.
PNEC Exposure Limit Values
N.A.
Exposure controls
Eye protection:
Protection hood.
Dust protection eye glasses.
Protection for skin:
Lab coat.
Chemical protection clothing.
Disposable suit.
Protection for hands:
CR (polychloroprene, chloroprene rubber).
NBR (nitrile rubber).
NR (natural rubber, natural latex).
Respiratory protection:
Respiratory protection hood.
Mask with filter "P3", white colour
Thermal Hazards:
None
Environmental exposure controls:
None
Appropriate engineering controls:
None

Stability and reactivity

Reactivity
Stable under normal conditions
Chemical stability
Stable under normal conditions
Possibility of hazardous reactions
None
Conditions to avoid
Stable under normal conditions.
Incompatible materials
None in particular.
Strong oxidizing agents, Strong bases
Hazardous decomposition products
None.

Disposal considerations

Waste treatment methods
Recover if possible. In so doing, comply with the local and national regulations currently in force.