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Formaldehyde Solution 37-41% W/V (Extra Pure) - Specifications |
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Description |
Clear colourless solution with strong pungent odour |
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Assay (Acidimetric, w/v) |
37.0 – 41.0% |
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Wt /ml at 20°C |
1.080 - 1.090 g |
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Content of methanol (w/w) |
8.0 - 12.0% |
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Acidity |
Max. 3 ml N% |
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Chloride (Cl) |
Max. 0.001% |
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Solubility in water |
Infinitely soluble |
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Ash |
Max. 0.02% |
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Flash Point |
64° C |
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Melting point |
-15 °C |
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Boiling Point |
95-97 °C |
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Density (g/cm3) |
1.08 |
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pH Value |
2.8 |
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Formaldehyde Solution 37-41% W/V (AR) - Specifications |
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Description |
Clear colourless solution with strong pungent odour |
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Assay (w/w) |
37.0 – 38.0% |
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Methanol (CH3OH) |
8.0 – 12.0% |
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Color |
Max. 10 APHA |
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Chloride (Cl) |
Max. 0.0005% |
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Sulphate (SO4) |
Max. 0.002% |
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Solubility in water (% weight) |
Infinitely soluble |
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Wt /ml at 20°C |
1.080-1.090 g |
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Acidity (as HCOOH) |
Max. 0.006 meq/g |
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Residue on ignition |
Max. 0.005% |
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Iron (Fe) |
Max. 0.0005% |
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Lead (Pb) |
Max. 0.0005% |
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Melting point/Freezing point (°C) |
-16 to -14°C |
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Boiling point |
95-97°C |
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pH value |
2-3 |
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Flash point |
63-65°C |
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