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Appearance
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Clear liquid, color not more than 10 hazen units
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|
Purity (by GC)
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Min 99.5%
|
|
Colour scale
|
Max 10 APHA
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|
Identity (IR)
|
Conforms to structure
|
|
Weight/ mL at 20°C
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0.691 - 0.693 g
|
|
Bromine number
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Max 0.5
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|
Refractive index (20°C; 589 nm)
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1.391 - 1.392
|
|
Water (H2O)
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Max 0.025%
|
|
Acidity
|
Max 0.0003 meq/g
|
|
Non-volatile matter
|
Max 0.001%
|
|
Sulphur compounds (as CS2)
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Max 0.005%
|
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Copper (Cu)
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Max 0.00002%
|
|
Iron (Fe)
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Max 0.00005%
|
|
Lead (Pb)
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Max 0.00002%
|
|
Substance darkened by H2SO4
|
Passes test
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