名稱:2,3-二甲氧基苯甲醛
 

純度:99% 包裝:50Kg桶裝

結構式
                                

CAS:  86-51-1
分子式: C9H10O3
分子量:  166.18

中文名稱:  2,3-二甲氧基苯甲醛
                鄰藜蘆醛

英文名稱:  2,3-dimethoxybenzaldehyde
                o-Veratraldehyde
                2,3-dlmethoxybenzaldehyde

性質描述:  無色或白色針狀結晶。熔點54℃,沸點256℃(99.3kPa),137℃(1.6kPa)。2,3-二甲氧基苯甲醛不溶于水,溶于醇。

產品質量
外觀:淡黃色塊狀結晶
含量:≥99%
熔點:48-51℃
水分:≤0.5%

用途:  有機合成中間體,醫藥工業用于合成黃連素等。

Product Identification
【Product Name】2,3-Dimethoxybenzaldehyde
【Synonyms】鄰藜蘆醛、2,3-二甲氧基苯甲醛
【CAS】86-51-1
【Formula】C9H10O3
【Molecular Weight】166.18
【EINECS】201-677-7
【Beilstein/Gmelin】908264
【Beilstein Reference】4-08-00-01747

Physical and Chemical Properties
【Appearance】Very slightly yellow liquid. Aldehyde-like odor.
【Solubility in water】Slightly soluble
【Melting Point】48 - 49℃
【Boiling Point】267℃
【Vapor Pressure】0.01 (25℃)
【Partition Coefficient】1.28
【Heat Of Vaporization】50.5 kJ/mol
【Heat Of Combustion】-4568 kJ/mol
【Vapor Density】5.73

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. DO NOT use mouth-to-mouth respiration.
【Skin】Get medical aid. 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】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 with adequate ventilation. 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 respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Can produce delayed pulmonary edema.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【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 Measures
【Flash Point】106℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Containers may explode when heated. Extinguishing media: Use agent most appropriate to extinguish fire. Cool containers with flooding quantities of water until well after fire is out. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Incompatibilities】Oxidizing agents.
【Stability】Stable at room temperature in closed containers under normal storage and handling conditions.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【HS Code】2912 49 00



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