1,4-DIMETHOXYBENZENE 1297
March 2001
Benzene, 1,4-dimetoxy-
CAS No: 150-78-7
Hydroquinone dimethyl ether
RTECS No: CZ6650000
p-Methoxyanisole
C8H10O2
Molecular mass: 138.17
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Combustible. NO open flames. NO contact with Powder, alcohol-resistant foam,
FIRE
combustibles. water spray, carbon dioxide.
Finely dispersed particles form Prevent deposition of dust; closed
EXPLOSION
explosive mixtures in air. system, dust explosion-proof
electrical equipment and lighting.
EXPOSURE
Ventilation. Fresh air, rest.
Inhalation
Protective gloves. Remove contaminated clothes.
Skin
Rinse and then wash skin with
water and soap. Refer for medical
attention.
Safety spectacles. First rinse with plenty of water for
Eyes
several minutes (remove contact
lenses if easily possible), then take
to a doctor.
Do not eat, drink, or smoke during Rinse mouth.
Ingestion
work.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Ventilation. Remove all ignition sources. Sweep
spilled substance into sealable containers. Carefully
collect remainder, then remove to safe place. (Extra
personal protection: P1 filter respirator for inert
particles.)
EMERGENCY RESPONSE STORAGE
Separated from strong oxidants.
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission
International 漏 IPCS 2000
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
1297 1,4-DIMETHOXYBENZENE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
WHITE FLAKES, WITH CHARACTERISTIC ODOUR. The substance can be absorbed into the body by inhalation.
Physical dangers Inhalation risk
Dust explosion possible if in powder or granular form, mixed No indication can be given about the rate in which a harmful
with air. concentration in the air is reached on evaporation of this
substance at 20掳C.
Chemical dangers
Reacts with strong oxidants.
Occupational exposure limits
TLV not established. MAK not established.
PHYSICAL PROPERTIES
Boiling point: 212掳C Flash point: 88掳C
Melting point: 58-60掳C Auto-ignition temperature: 438掳C
Solubility in water: none Explosive limits, vol% in air: 1.2-5.6
Vapour pressure, kPa at 20掳C: 0.01 Octanol/water partition coefficient as log Pow: 2.04
ENVIRONMENTAL DATA
NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2000
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