ChemicalBook >>2,3-dimethylphenol>>1-Hydroxy-2,3-dimethylbenzene(526-75-0)

1-Hydroxy-2,3-dimethylbenzene(526-75-0)

1-Hydroxy-2,3-dimethylbenzene(526-75-0)
Product IdentificationBack to Contents
【Product Name】

1-Hydroxy-2,3-dimethylbenzene
【Synonyms】

1-Hydroxy-2,3-dimethylbenzene
2,3-Dimethylphenol
o-Xylenol
【CAS】

526-75-0
【Formula】

C8H10O
【Molecular Weight】

122.18
【EINECS】

208-395-3
【RTECS】

ZE5500000
【RTECS Class】

Other
【Merck】

12,10215
【Beilstein/Gmelin】

1906267
【Beilstein Reference】

4-06-00-03096
【EC Index Number】

604-006-00-X
【EC Class】

Toxic; Corrosive; Dangerous for the Environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless crystalline solid or brown chunky solid.
【Solubility in water】

Insoluble
【Melting Point】

75
【Boiling Point】

217
【Vapor Pressure】

0.093 (25 C)
【Density】

0.965 g/cm3 (20 C)
【pKa/pKb】

10.42 (pKa)
【Partition Coefficient】

2.4
【Heat Of Vaporization】

47.2 kJ/mol
【Usage】

Solvent, chemical intermediate (eg, for sulfur dyes), isomeric mixt is chemical intermediate for gasoline, lubricating oil and elastomer antioxidants.
【Vapor Density】

4.23
【Odor threshold】

0.5 mg/L (detection in water)
【Refractive Index】

1.5172 (74 C)
First Aid MeasuresBack to Contents
【Ingestion】

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
【Skin】

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
【Eyes】

Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).
Handling and StorageBack to Contents
【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. Do not store in steel container.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Discard contaminated shoes.
Hazards IdentificationBack to Contents
【Inhalation】

Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects.
【Skin】

Harmful if absorbed through the skin. Causes skin burns. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
【Eyes】

Causes eye burns. May cause chemical conjunctivitis and corneal damage.
【Ingestion】

Harmful if swallowed. May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. May cause systemic effects.
【Hazards】

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
【EC Risk Phrase】

R 24/25 34 51/53
【EC Safety Phrase】

S 26 36/37/39 45 61
【UN (DOT)】

2261
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective 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】

Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Flash Point】

91
【Autoignition】

599
【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. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.
【Upper exp. limit】

6.4
【Lower exp. limit】

1.1
【Fire Potential】

This material is probably combustible.
Accidental Release MeasuresBack to Contents
【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 ReactivityBack to Contents
【Incompatibilities】

Bases, acid anhydrides, acid chlorides, oxidizing agents, steel, brass, copper, copper alloys.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2261
【Hazard Class】

6.1
【Packing Group】

II
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