Methanol
2017/1/19
Chinese name: Methanol
English name: methanol
Molecular formula: CH4O
Molecular weight: 32.04186
CAS registration number: 67-56-1
Packing, storage and transportation: special tanker or sealed container for storage and transportation. Store in a cool, well-ventilated, dedicated warehouse, away from fire and heat. The temperature of the reservoir should not exceed 37 ° C to keep the container sealed. It should be stored separately from oxidants, acids, alkali metals, etc., and should not be mixed. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.
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project
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index
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Superior product
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First grade
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Qualified product
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Chroma Hazen Unit (platinum-cobalt number)≤ |
5
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10
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density（ρ20）.g/m³ |
0.791~0.792
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0.791~0.793
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Boiling range（0℃,101.3kPa）℃ ≤
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0.8
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1.0
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1.5
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Potassium permanganate test/min≥
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50
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30
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20
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Water solubility test
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Pass the test（1+3）
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Pass the test（1+9）
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-
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water w/%≤
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0.10
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0.15
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0.20
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acid（以HCOOH计）w/%≤ Or alkali（NH3计）w/%≤ |
0.0015 0.0002 |
0.0030 0.0008 |
0.0050 0.0015 |
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Carbonyl compound（以HCHO计）w/%≤
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0.002
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0.005
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0.010
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Evaporation residuew/%≤
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0.001
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0.003
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0.005
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Sulfuric acid washing test，Hazen Unit (platinum-cobalt number)≤
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50
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-
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Ethanol w/%≤
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Negotiation between supply and demand
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-
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