P-Toluene Sulfonic acid 104-15-4 CAS: 6192-52-5 (Monohydrate) Assay:93%-99.9%Min High Quality Prompt Delivery Free Sample Production Information : Ite…
P-Toluene Sulfonic acid 104-15-4 CAS: 6192-52-5 (Monohydrate) Assay:93%-99.9%Min High Quality Prompt Delivery Free Sample Production Information : Items Technical grade Pharma grade Refine grade Reagent grade Electronic grade Assay (as C7H8O3S·H2O)≥% 93.0 95.0 97.0 99.0 99.9 Free acid (as H2SO4) ≤% 3.0 2.0 0.7 0.1 0.03 Moisture≤% 4.0 3.5 2.3 0.9 0.1 Fe content≤ppm 50 30 20 10 1 Residue on ignition ≤% / 0.2 0.2 0.02 0.02 Dissolve test of ethanol / Qualified Qualified Qualified Qualified Dissolve test of water / Qualified Qualified Qualified Qualified Main metal ions ≤ppm / / / /
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