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chloroform

  • Post Date:

    Jun 03,2015

  • Expiry Date:

    Nov 30,2015

  • Detailed Description:

    Cas No. :67-66-3

    CAS No.: 67-66-3

    Molecular formula: CHCl3

    Molecular weight: 119.3779

    RTECS No.: FS9100000

    HS No.: 2903130000

    UN No.: 1888

    Hazard cargo No.: 61553

    IMDG Page: 6103

    I.Physicochemical properties:

    1. Appearance and property: Colorless transparent heavy liquid, easy to volatile, with special odor.

    2. Melting point: 635°C

    3. Boiling point: 61°C

    4. Liquid weight (D20°): 1.492

    5. Solubility: 8 G/L (20°C)   

    6. Flash point: 60.5-61.5°C

    7. Viscosity (20°C): 0.43mPa·s

    8. Refractive rate nD (20°C): 1.445

    9. Vapor density: 4.1 (vs air)

    10. Vapor pressure: 160mmHg (20°C)

    II. Usage

    Raw material for organic synthesis, mainly used in the production of Freon (F-21, F-22. F-23).

    Used in organic synthesis and anesthetic: as solvent of fat, rubber, resin, oils, wax, phosphorus, iodine; extractant of penicillin, essential oil, etc; inorganic phosphorus in measuring blood serum; detergent, etc.

    III. Quality standard

    Quality standardQ/YT003-2008

    Item

    Index

    Superior

    First class

    Qualified

    Mass fraction of trichloromethanea/%  ≥

    99.95

    99.90

    99.80

    Mass fraction of carbon tetrachloride/%  ≤

    0.04

    0.08

    0.20

    Mass fraction of water /% ≤

    0.010

    0.010

    0.020

    Mass fraction of acid (Calculated by HCl) /% ≤

    0.0004

    0.0006

    0.0010

    Color/Hazen unit (Pt-Co color No.)  ≤

    10

    15

    25

    a the added stabilizer amount in not included in the mass fraction of trichloromethane

    IV. Precautions:

    Explosion limit of dichloromethane in the air: 8.1-17.2%, is combustible chemical product. With high concentration, long-term contact will cause dizziness, sleepiness, nausea, tinnitus or numb limb, will recover after moving to fresh air, can not cause lasting damage. Contact with eyes can cause pain and irritation, will cause dermatitis in case of long-term contact.    

    V. Packing, storage and transportation

    Hazard rank: 6.1 type toxic liquid

    Hazard cargo packing mark: 15

    Packing type: III

    Packing materials: Galvanized drum or close tank car

    Precautions: Should be stored in dry, cool and ventilated warehouse, avoid contacting with moisture. The transportation shall comply with the PRC road and railway transportation provision on hazard chemicals.

  • CAS Registry Number:

    67-66-3

  • Synonyms:

    ;Chloroform;formyl trichloride;methane trichloride;methenyl trichloride;Methyl trichloride;R 20;r 20 (refrigerant);Refrigerant R20;trichloroform;

  • Molecular Formula:

    CHCl3

  • Molecular Weight:

    119.378

  • Molecular Structure:

    67-66-3 Trichloromethane

  • Hazard Symbols:

     Xn:Harmful;

  • Risk Codes:

    R22:;
    R38:;
    R40:;
    R48/20/22:;

  • Safety Description:

    S36/37:;
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