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    Acetylene structure

    Acetylene

    • CAS No:

      74-86-2

    • Formula:

      C2H2

    • China Export:

      From 2018.11 to 2019.11, total export volume of Acetylene from China was 1,000,577KG while total export value was $3,180,262. The biggest proportion of exporting volume in the last 12 months was 10.82% in 2019.09.

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    Description

    Acetylene (100% purity) is odorless but commercial purity has a distinctive garlic-like odor. It is very soluble in alcohol and almost miscible with ethane. Acetylene is a flammable gas and kept under pressure in gas cylinders. Under certain conditions, acetylene can react with copper, silver, and mercury to form acetylides, compounds that can act as ignition sources. Brasses contain a form acetylides, compounds that can act as ignition sources. Brasses containing less than 65% copper in the al

    Basic Attributes

    • 74-86-2

    • C2H2

    • 26.04

    • 26.015650

    • 0 A^2

    • 0.37

    • 200-816-9

    • HSFWRNGVRCDJHI-UHFFFAOYSA-N

    • 0

    • 0

    • 0

    Characteristics

    • 0.6±0.1 g/cm3

    • -88°C

    • -28°C

    • -18°C

    • 1.316

    • H2O: 0.106 g/100 mL

    • Acetylene should be kept stored in a cool, dry place in a tightly sealed container, and should only be used in a well-ventilated area. Cylinders should be separated from oxygen and other oxidizers by a minimum of 20 ft or by a barrier of non-combustible material at least 5 ft high, having a fi re resistance rating of at least 30 min. Storage in excess of 2500 cu ft is prohibited in buildings with other occupancies. Cylinders should be stored upright with a valve protection cap in place and fi r

    • 3.04 X 104 mmHg (~40 atmospheres) at 16.8 °C

    • 0.91

    • Acetylene at 170 deg C is somewhat stabilized by presence of acetic acid

    Safety Information

    • 2.1

    • 2901292000

    • UN 1001

    • 5-6-12

    • 9-16-33

    • AO9600000

    • F+

    • The warehouse is ventilated, low temperature and dry; lightly loaded and unloaded; stored separately from oxygen, air and chlorine gas cylinders

    • P210, P377, P381, P403

    • H220

    • Open flame, flammable when heated; burning produces irritating smoke

    • Explosive limits , vol% in air: 2.5-100

    • Open flame mixed with air, explosive when heated; explosive when exposed to copper, mercury, silver, chlorine, fluorine

    • Inhalation-Mammal LCL0: 50000 PPM/ 5 minutes

    • practically nontoxic

    Product Usage

    Illuminant, oxyacetylene welding, cutting, and soldering metals, signalling; pptg metals, particularly Cu; manufacture of acetaldehyde, acetic acid; fuel for motor boats.

    China Acetylene Export Data

    Data referenced from General Administration of Customs,P.R.China

    2018.11-2019.11 China Acetylene Export Data

    From 2018.11 to 2019.11, total export volume of Acetylene from China was 1,000,577KG while total export value was $3,180,262. The biggest proportion of exporting volume in the last 12 months was 10.82% in 2019.09.

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