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          2. Yancheng Longshen Chemical Co., Ltd.

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            Identification Product name: 1,4-dibromobutane
            Product name: 1,4-dibromobutane
            Molecular formula: C4H8Br2 Molecular weight: 215.93
            Structural formula:  
            CAS No: 110-52-1 RTECS No:  EJ7565000
            HS code: 2903399090 UN No:  UN 2810 6.1/PG 3
            Dangerous sign:  T,Xi,C IMDG Code Page:  
            Physical and Chemical Properties Appearance and properties: Colorless or slight yellow liquid; .
            Uses: Used in the manufacture of aminophylline, kebiqing, naochongjing, etc.
            Melting point: -20℃ Boiling point: 63-65°C
            Relative density (water=1): 1.808 Moisture ≤: 0.05%
            1,4-dibromobutane Assay ≥ 99% PH value: 6.0~8.0
            Saturated vapor pressure (kPa): - Solubility: Insoluble in water, soluble in alcohol, ether, chloroform..
            Critical temperature (℃): - Critical pressure (MPa): -
            Heat of combustion (kj/mol): -
            Combustion and explosion hazard Conditions to avoid: -
            Flammability: - Building regulation fire insurance classification:: -
            Flash point (℃): - Self-Ignition temperature(℃): -
            Lower explosive limit (V%): - Upper explosive limit (V%): -
            Hazardous characteristics: -
            Combustion (decomposition) products: - - -
            Incompatible materials: - - -
            Fire fighting methods : -
            Risk category: 6.1 - -
            Packaging and transportation Packing group: III
            Directions for storage and transportation: :  


            1,4-dibromobutane quality index
            Item Index value
            Appearance Colorless or slight yellow liquid 
            Molecular formula C4H8Br2
            1,4-dibromobutane Assay ≥ 99.00% 
            Density (d2020) g/cm3 1.808
            PH value 6.0~8.0 
            Moisture ≤  0.05%

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