ICSC 1356 - 3,5-XYLENOL

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

3,5-XYLENOL

ICSC: 1356
_{October 2000}

3,5-Dimethylphenol
1-Hydroxy-3,5-dimethylbenzene

CAS No: 108-68-9
RTECS No: ZE6475000
UN No: 2261
EC No: 604-037-00-9

C₈H₁₀O / 3,5-(CH₃)₂C₆H₃OH
Molecular mass: 122.2

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!
Inhalation	Cough. Dizziness. Headache.	Local exhaust or breathing protection.	Fresh air, rest. Half-upright position. Artificial respiration if indicated. Refer for medical attention.
Skin	MAY BE ABSORBED! Burning sensation. Skin burns.	Protective gloves. Protective clothing.	Wear protective gloves when administering first aid. 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.	Rest. Do NOT induce vomiting. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
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).	T Symbol R: 24/25-34 S: (1/2-)26-28-36/37/39-45 UN Hazard Class: 6.1 UN Pack Group: II	Do not transport with food and feedstuffs. Marine pollutant.

EMERGENCY RESPONSE	STORAGE
Transport Emergency Card: TEC (R)-672	Separated from acid anhydrides, acid chlorides, bases, and oxidants.

IMPORTANT DATA

Physical State; Appearance
WHITE TO YELLOW 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. The substance irritates the respiratory tract. Corrosive on ingestion. See Notes.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 219°C Melting point: 64°C Density: 0.97 g/cm³ Solubility in water, g/100 ml at 25°C: 0.5 Vapour pressure, Pa at 25°C: 5 Relative vapour density (air = 1): 4.2 Flash point: 80°C c.c. Explosive limits, vol% in air: 1.4-? Octanol/water partition coefficient as log Pow: 2.35	The substance is harmful to aquatic organisms.

NOTES

Also consult ICSC #0601 (Xylenol), 0070 (Phenol).
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.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2000

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Updated by AS. Approved by EC. Last update: 18.12.2000