Toluene-2,4-diisocyanate
Test items Index
Isocyanate % ≥99.0
Saponifiable chlorine % ≤0.01
Chlorine % ≤0.04
Crystallizing point℃ % 5.0-6.5
Chromaticity (Hazen) ≤50
Density (20℃)g/cm3 1.21-1.23
Refractive index n020 1.564-1.568
Acidity (HCI) ≤0.04
2.4-TDI Structure isomer ≤64.0
2.6-TDI Structure isomer ≤36.0
Packing:Net weight is 250kg iron drum.
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Dimethylamine |
Appearance: colorless transparent liquid.
Dimethylamine ≥ 99.8%;
Monomethylamine ≤ 0.10%;
Trimethylamine ≤ 0.05%;
Ammonia ≤ 0.03%;
Purposes: m... |
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Resin-specific adsorption of gold |
Indicator Parameter
Functional group -N+(CH3) 2H2O
Appearance Milky white opaque sphere
Finished form CLˉ
Moisture content % 45-55
Weight... |
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Zinc phosphate |
Project Medicine raw material special-purpose Feed additive special-purpose Sweetening agent special-purpose Rubber special-purpose Paint special-p... |
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Methylene Chloride |
Test items Index
Methylene Chloride % ≥99.95
Water % ≤0.01
Acid (HCl) % ≤0.0004
Chromaticity Hazen Unit(Pt-Co Color) ≤10
Residue a... |
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Thiourea |
Test items Index
Thiourea % ≥ 99
Heating Loss % ≤ 0.4
Ash % ≤ 0.1
Water insoluble matter % ≤ 0.02
Thiocyanate % ≤ 0.02
Melting... |
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