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Calcium Hydrogen Phosphate （Dental Grade） |
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Chemical Name:Calcium Hydrogen Phosphate Molecular Formula:CaHPO4.2H2O Molecular Weight:172.9 Performance: white crystallization powder, soluble in diluted hydrochloric acid and nitric acid, slightly soluble in water, insoluble in ethanol, begin to lose water and become anhydrous calcium hydrogen phosphate at 65°C. Application: as friction agent to making high-grade toothpaste in daily-use chemicals. Package:internal-lined polythene plastic bag, external-covered composite nourishment woven bag, 50㎏/bag or 25㎏/bag, also can implement according to contracts. Storage & Transportation: be stored in dry, ventilated and clean warehouse, prevent from wetting & heating, be isolated from toxic articles. Quality Index: （HB3257-2001） Index Name I Type II Type Calcium Oxide （CaO）Content, % 31.4-32.9 31.4-32.9 Whiteness ≥ 95 95 Fineness (through 45um experiment) Content, % ≥ 99 95 Suction Content, mLH2O/20g 5.0-6.5 5.0-6.5 Arsenic (As) Content, % ≤ 0.0003 0.0003 Fluoride (by C1) Content, % ≤ 0.03 0.03 Burning Loss, % 25.0-26.5 25.0-26.5 Heavy Metal (by Pb ) Content, % ≤ 0.003 0.003 PH Value (20% suspension) 6.8-8.1 6.8-8.1 Stability, through experiment through experiment Carbonate, through experiment through experiment Content Insoluble in Hydrochloric Acid, % ≤ 0.2 0.2 Sulfate (by SO4-2) Content, % ≤ 0.5 0.5 Drying Loss, % ≤ 0.6 0.6 Apparent Density, g/ml 0.80-1.00 0.80-1.00 Fluorion Stability Experiment, through experiment －－－－－－
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