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XYLENOL (MIXED ISOMERS) ICSC: 0601
Date of peer-review: October 2000

Dimethylphenol
Hydroxydimethylbenzene
CAS # 1300-71-6 C8H10O / (CH3)2C6H3OH
RTECS # ZE5425000 Molecular mass: 122.2
UN # 2261
EC # 604-006-00-X
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Combustible.
NO open flames.
Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION Finely dispersed particles form explosive mixtures in air.
Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.

EXPOSURE
PREVENT DISPERSION OF DUST! PREVENT GENERATION OF MISTS!

Inhalation Cough. Dizziness. Headache.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin MAY BE ABSORBED! Burning sensation. Redness. Skin burns.
Protective gloves. Protective clothing.
Rinse and then wash skin with water and soap. Refer for medical attention.
Eyes Redness. Pain. Severe deep burns.
Safety goggles, face shield, or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Burning sensation. Abdominal pain. Nausea. Vomiting. Diarrhoea. Dizziness. Headache. Shock or collapse.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rest. Do NOT induce vomiting. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Remove all ignition sources. Collect leaking liquid in sealable containers. Sweep spilled substance into sealable containers. Do NOT let this chemical enter the environment. (Extra personal protection: chemical protection suit including self-contained breathing apparatus).
Do not transport with food and feedstuffs. Marine pollutant.
EU Classification
Symbol: T, N
R: 24/25-34-51/53
S: (1/2-)26-36/37/39-45-61
Note: C
UN Classification
UN Hazard Class: 6.1
UN Pack Group: II
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-672
Separated from food and feedstuffs, acid anhydrides, acid chlorides, bases, and oxidants.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities © IPCS, CEC 2001

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XYLENOL (MIXED ISOMERS) ICSC: 0601
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE TO YELLOW LIQUID OR CRYSTALS, WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air.

CHEMICAL DANGERS:
Reacts with acid anhydrides, acid chlorides, bases, and oxidants.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin, and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is corrosive to the eyes and the skin. Corrosive on ingestion. The substance irritates the respiratory tract. See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
See Notes.
PHYSICAL PROPERTIES
Boiling point: 203-225°C
Melting point: 25-75°C
Density: 1.02-1.13 g/cm^3
Solubility in water, g/100 ml at 25°C: 4-8
Vapour pressure, Pa at °C: 0.5-37
Relative vapour density (air = 1): 4.2
Flash point: 61-95°C c.c.
Auto-ignition temperature: 599°C
Explosive limits, vol% in air: 1.4-?
Octanol/water partition coefficient as log Pow: 2.23-2.36
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. Health effects may be similar to those of phenol and related compounds. Also consult ICSC #0070 (Phenol). The recommendations on this Card also apply to 3,4-xylenol (CAS 95-65-8), 2,5-xylenol (CAS 95-87-4), 2,4-xylenol (CAS 105-67-9), 2,3-xylenol (CAS 526-75-0), and 2,6-xylenol (CAS 576-26-1).
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
© IPCS, CEC 2001


    See Also:
       Toxicological Abbreviations