China (Mainland)
Disodium hydrogen phosphate for industry use CAS NO.7782-85-6
- Min.Order: 1 Metric Ton
- Payment Terms: L/C,T/T,Other
- Product Details
Keywords
- DISODIUM HYDROGEN PHOSPHATE
- 7782-85-6
- DIBASIC SODIUM PHOSPHATE;DIBASIC SODIUM PHOSPHATE HEPTAHYDRATE;DI-SODIUM HYDROGEN PHOSPHATE-7-HYDRATE;DISODIUM HYDROGEN PHOSPHATE HEPTAHYDRATE;DISODIUM HYDROGEN PHOSPHATE;DISODIUM PHOSPHATE;DISODIUM P
Quick Details
- ProName: Disodium hydrogen phosphate for indust...
- CasNo: 7782-85-6
- Molecular Formula: H15Na2O11P
- Appearance: Colorless monoclini crystal or white p...
- Application: Used as fire-proofing agent for fabri...
- DeliveryTime: Prompt
- PackAge: PP-PE bag, Net weight 25kg or based on...
- Port: QingDao,China;XinGang,China;shanghai,C...
- ProductionCapacity: 1000 Metric Ton/Year
- Purity: 97%min
- Storage: Please keep in dry and ventilated plac...
- Transportation: By Sea,By Air,By Courier
- LimitNum: 1 Metric Ton
- Water Content: 0.01% max
- Grade: Industrial Grade,Food Grade,Pharma Gra...
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Details
English name:Disodium hydrogen phosphate
Molecular formula: Na2HPO4·12H2O
Property: Colorless monoclini crystal or white powder.
Relative density 1.52, melting point 34.6℃, refractive rate 1.432 (20℃). Soluble in water, the aqueous solution is alkali, PH value of 1% aqueous solution is 8.8-9.2; insoluble in alcohol. Weathering in the air. Lose all the water of crystallization and turn to sodium pyrophosphate anhydrousif heated to 250℃.
Packing instruction: PP-PE bag, Net weight 25kg or based on the customers' requirements.
Executive standard: HG/T 2965-2009
Quality standard:
|
Item |
Index |
|
sodium hydrogen phosphate (Na2HPO4·12H2O计),w/% ≥ |
97.0 |
|
Sulfate (Calculated by SO4),w/% ≤ |
0.7 |
|
Chloride (Calculated by Cl),w/% ≤ |
0.05 |
|
Arsenic (As),w/% ≤ |
0.005 |
|
Fluoride (Calculated by F),w/% ≤ |
0.05 |
|
(Fe),w/% ≤ |
0.05 |
|
Water insoluble matter,w/% ≤ |
0.05 |
|
pH value (10g/L solution) |
9.0±0.2 |
Usage: Used as fire-proofing agent for fabric, wood and paper, as glaze, welding flux and used in electroplating, etc.
Properation: Prepared by sodium carbonate and phosphoric acid.
Remarks: Weathering in the air, lose water of crystallization and turn to anhydrous substance at 100℃. Decompose to sodium pyrophosphate anhydrous at 250℃.
Transportation and storage: Avoid rain and sunlight during the transporation. Please keep in dry and ventilated place and equipped with under layer to prevent damp.