Quick Details
Classification: Phosphate
Other Names: Sodium Phosphate Tribasic Dodecahydrate
Cas No.: 10101-89-0
MF: Na3PO4.12H2O
EINECS No.: 231-509-8
Place of Origin: Jiangsu China (Mainland)
Grade Standard: Food Grade
Purity: 98% min
Appearance: White crystal
Specifications
White or colorless crystals, efflorescent in air, easily soluble in water
Properties:
Colourless or white crystal, relative density is 1.62, melting point is 73.3 to 76.7 centigrade. It is soluble in water and insoluble in ethanol and carbon bisulfide, its aqueous solution shows alkaline and harms to skin. Heat it up to 100 centigrade, loses 11 crystal waters and becomes sodium phosphate monohydrate. Keep on heating up to 212 centigrade, it becomes sodium phosphate anhydrous. It is easy to airslake in the dry air.
Xuzhou Tianchang Chemical Co., Ltd. Located in Xuzhou, a city with long cultural history & industry and transportation. It was built in 1977 and its predecessor is city owned nitrogenous fertilizer plant, it restructured into private enterprise in 1995. The technology is innovating, the marketing channel is expanding, and the profit is increased year after year.
Tianchang chemical is major manufacturing of Nitrate Salts such as: Sodium Nitrate (SOD), Ammonium Nitrate (AN), Sodium Nitrite, and Potassium Nitrate(NOP) etc.
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| Index Name | Industry Grade |
| Excellent | Grade 1 | Grade 2 |
| Purity,% min | 98.5 | 98.0 | 95.0 |
| Methyl Orange basicity(Na2O),% | 16.5~19.0 | 16.0~19.0 | 15.5~19.0 |
| Water-insoluble matter, % max | 0.05 | 0.10 | 0.10 |
| Sulphates(SO4),% max | 0.50 | 0.50 | 0.80 |
| Chloride (Cl),% max | 0.30 | 0.40 | 0.50 |
| Iron (Fe),% max | 0.01 | _ | _ |
| Arsenic(As),% max | 0.005 | _ | _ |