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        純度:≥96.5% 包裝:180kg/桶


        CAS:   5973-71-7
        分子式: C9H10O
        分子量: 134.18

        中文名稱:   3,4-二甲基苯甲醛

        英文名稱:   3,4-dimethyl-benzaldehyde

        性質描述:   該品為無色液體。沸點233-235℃,熔點0±1℃,折射率  1.549-1.551,密度  1.012

        外觀        無色液體
        含量        98% min
        二甲苯    0.1%max
        水            0.1max
        酸值         0.3

        用途:  用于制備醫藥中間體、成核透明劑、香料等。


        Product Identification
        【Product Name】3,4-Dimethylbenzaldehyde
        【Molecular Weight】134.16999999999999
        【Beilstein Reference】4-07-00-00707

        Physical and Chemical Properties
        【Appearance】Colorless liquid.
        【Boiling Point】0±1℃
        【Density】1.012 g/cm3
        【Refractive Index】1.55 (20℃)

        First Aid Measures
        【Ingestion】Get medical aid. Wash mouth out with water.
        【Inhalation】Remove from exposure to fresh air immediately.
        【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
        【Eyes】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 cool, dry place. Store in a tightly closed container.
        【Handling】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

        Hazards Identification
        【Ingestion】May cause irritation of the digestive tract. May be harmful if swallowed.
        【Inhalation】May cause respiratory tract irritation. May be harmful if inhaled.
        【Skin】May cause skin irritation. May be harmful if absorbed through the skin.
        【Eyes】May cause eye irritation.
        【EC Safety Phrase】S 24/25

        Exposure Controls/Personal Protection
        【Personal Protection】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.

        Fire Fighting Measures
        【Flash Point】107℃
        【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

        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
        【Stability】No data.
        【Incompatibilities】Strong oxidizing agents.
        【Decomposition】Carbon monoxide, carbon dioxide


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