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    Home > Chemicals Industry > Chemical Technology > Industrial 1,4-oxazepine (morpholine) (1)

    Industrial 1,4-oxazepine (morpholine) (1)

    • Last Update: 2021-10-12
    • Source: Internet
    • Author: User
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    1 Scope

    This standard specifies the requirements, sampling, test methods, signs, labels, packaging, etc.
    of industrial 1,4-oxazepine (commonly known as
    morpholine )
    .

    The standard is applicable to industrial 1,4-oxazepine prepared from diethylene glycol as a raw material through catalytic ammonolysis and rectification
    .

    Structural formula:

    Molecular formula: C 4 H 9 NO

    Relative molecular mass: 87.
    12 (according to the 1993 international relative atomic mass)

    2 Reference standards

    The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard
    .
    When this standard was published, the editions indicated were valid

    .
    All standards will be revised, and all parties using this standard should explore the possibility of using the latest version of the following standards

    .

    GB190-1990 Dangerous Goods Packaging Mark

    GB/T325-1991 Packaging Container Steel Drum

    GB/T 601-1988 Preparation of standard solutions for chemical reagent titration analysis (volume analysis)

    Preparation of preparations and products used in GB/T 603-1988 chemical reagent test method

    GB/T1250-1989 The method of expressing and judging the limit value

    GB/T3143-1982 Method for color determination of liquid chemicals (Hazen unit-cobalt color number)

    GB/T 4472-1984 General Rules for the Determination of Density and Relative Density of Chemical Products

    GB/T 6678-1986 General Rules for Sampling of Chemical Products

    GB/T6680-1986 General Rules for Sampling of Liquid Chemical Products

    GB/T7534-1987 Determination of Boiling Range of Volatile Organic Liquids for Industrial Use (eqv ISO 918: 1983)

    3 requirements

    3.
    1 Appearance: transparent colorless or light yellow liquid without mechanical impurities

    .

    3.
    2 The quality of industrial 1,-oxazepine should meet the requirements of Table 1

    .

    Table 1

    Related Links: Industrial Cyclohexylamine (Appendix C)

     

     

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