Product Identification
【Product Name】1,2-Dimethoxybenzene 　邻苯二甲醚
【Synonyms】o-Dimethoxybenzene
【CAS】91-16-7
【Formula】C8H10O2
【Molecular Weight】138.16999999999999
【EINECS】202-045-3
【RTECS】CZ6475000
【RTECS Class】Other
【Merck】12,10089
【Beilstein/Gmelin】1364621
【Beilstein Reference】4-06-00-05564
【EC Class】harmful

Physical and Chemical Properties
【Appearance】Solid.
【Solubility in water】Insoluble
【Melting Point】19 - 21
【Boiling Point】207
【Vapor Pressure】0.34 (25 C)
【Density】1.1004 g/cm3 (4 C)
【Partition Coefficient】1.96
【Heat Of Vaporization】42.4 kJ/mol
【Heat Of Combustion】-4287 kJ/mol
【Usage】A building block for the organic synthesis of other aromatic compounds.
【Refractive Index】1.5827 (21 C)

First Aid Measures
【Ingestion】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】Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
【Skin】Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 22
【EC Safety Phrase】S 36/37

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 protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Poison Class】4

Fire Fighting Measures
【Flash Point】87
【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.
【Fire Potential】Combustible solid.

Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity
【Disposal Code】1
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents - strong acids.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【HS Code】2909 30 90