Product Identification
【Product Name】4-Chloro-3,5-dimethylphenol
【Synonyms】Chloroxylenol 4-氯-3,5-二甲基苯酚
【CAS】88-04-0
【Formula】C8H9ClO
【Molecular Weight】156.61000000000001
【EINECS】201-793-8
【RTECS】ZE6850000
【RTECS Class】Mutagen; Reproductive Effector; Human Data; Primary Irritant
【Merck】13,2194
【Beilstein/Gmelin】1862539
【Beilstein Reference】4-06-00-03152
【EC Index Number】604-038-00-4
【EC Class】Harmful; Irritant; Sensitising

Physical and Chemical Properties
【Appearance】White to cream colored crystals.
【Solubility in water】0.3 g/L
【Melting Point】114-116℃
【Boiling Point】246℃
【Vapor Pressure】0.02 (25℃)
【Density】1.364 g/cm3
【pKa/pKb】9.76 (pKa)
【Partition Coefficient】3.35
【Heat Of Vaporization】50.3 kJ/mol
【Usage】Antiseptic and germicide.

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage
【Storage】Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.

Hazards Identification
【Inhalation】Causes irritation of the mucous membrane and upper respiratory tract.
【Skin】Causes skin irritation. May cause an allergic reaction in certain individuals.
【Eyes】Causes moderate eye irritation.
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】R 22 36/38 43
【EC Safety Phrase】S 24 37
【UN (DOT)】3335

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.
【Respirators】A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】Animal studies have reported that fetal effects/abnormalities may occur when maternal toxicity is seen. Laboratory experiments have resulted in mutagenic effects.
【Poison Class】3

Fire Fighting Measures
【Flash Point】132℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable at room temperature in closed containers under normal storage and handling conditions. Volatile in steam.
【Incompatibilities】Strong oxidizing agents, strong bases.
【Decomposition】Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【UN Number】3335
【HS Code】2908 10 00