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Low Price Silicon Dioxide for Anti-Caking Agent CAS 7631-86-9 Sio21
Pigment DyeSilicon Dioxide7631-86-9
Jinan Future Chemical Co., Ltd.
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Product Description Product DescriptionLow price Silicon dioxide for anti-caking agent Cas 7631-86-9 SiO2 Silicon dioxide Basic information Product Name:Silicon dioxideCAS:7631-86-9MF:O2SiMW:60.08EINECS:231-545-4Mol File:7631-86-9.molSilicon dioxide Chemical Properties Melting point >1600 °C(lit.)Boiling point >100 °C(lit.)density 2.2-2.6 g/mL at 25 °Crefractive index 1.46Fp 2230°Cstorage temp. Refrigerator (+4°C)solubility Practically insoluble in water and in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.form suspensioncolor White to yellowSpecific Gravity2.2Specific Gravity0.97Specific Gravity1.29PH5-8 (100g/l, H2O, 20oC)(slurry)Water Solubility insolubleSensitive HygroscopicHydrolytic Sensitivity6: forms irreversible hydrateHydrolytic Sensitivity5: forms reversible hydrateHydrolytic Sensitivity4: no reaction with water under neutral conditionsItemsSpecificationResultsSpecific surface area176-225m2/g205m2/gPH value in aqueous dispersion3.7-4.54.14Loss on drying at 105oC≤2.0%0.53%Ignition loss at 1000oC≤2.5%0.53%45μm sieve residue≤0.025%0.02%Tamped density30-60g/L46SiO2≥99.8%99.87%Carbon content≤0.2%0.03%Product CategoriesPackaging & Shipping Company Profile Contact us
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