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Add: Room 110, Building 16, No. 7, Nanhai Road, Changshu City
Contact: Qian Gang:+86-13732608658
Fax: +86-512-52862686
E-mail: qiangang@szhxchem.com |
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Dichloromethane |
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Cas No |
75-09-2 |
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Molecular formula |
CH2Cl2 |
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Molecular weight |
84.93 |
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Structural formula |
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Physical and chemical properties |
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Appearance and properties
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Colorless transparent liquid with aromatic odor
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Melting point(℃)
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-96.7
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Boiling point(℃)
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39.8
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Relative density (water=1)
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1.33
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Relative vapor density (air=1)
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2.93
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Saturated vapor pressure(kPa)
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30.55(10℃)
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Heat of combustion(kJ/mol)
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604.9
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Critical temperature(℃)
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237
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Critical pressure(MPa)
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6.08
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Logarithm of octanol/water partition coefficient
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1.25
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Ignition temperature(℃)
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615
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Upper explosive limit%(V/V)
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19
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Lower explosive limit%(V/V)
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12
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Solubility
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Slightly soluble in water, soluble in ethanol and ether
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Quality indicators |
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Index name
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Q/JHS111-1996(2000)
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Superior grade product
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First grade product |
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Chroma (Pt-Co) No.≤
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10
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10
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Acidity (by HCL),%≤
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0.0004
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0.0008
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Moisture %≤
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0.20
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0.50
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Non-volatile matter,%≤
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0.0005
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0.001
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Fluoride (by CL),%≤
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0.0005
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-
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Purity,%≥
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99.9
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99.0
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Use |
Used as the solvent of resin and plastic industry. Widely used in pharmaceutical, plastic, film and other industries. |
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Packing |
250kg metal pail |
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