Disodium hydrogen phosphate dihydrate
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Disodium hydrogen phosphate dihydrate
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CAS No:
10028-24-7
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Formula:
H3O4P.2H2O.2Na
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Chemical Name:
Disodium hydrogen phosphate dihydrate
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Synonyms:
Phosphoric acid,disodium salt,dihydrate;Disodium orthophosphate dihydrate;Disodium hydrogen phosphate dihydrate;Disodium monohydrogen phosphate dihydrate;Sodium phosphate (Na2HPO4) dihydrate;Disodium phosphate dihydrate;15281-70-6;2137956-71-7
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CAS No:
Description
Disodium hydrogenphosphate dihydrate is a hydrate that is the dihydrate form of disodium hydrogenphosphate It contains a disodium hydrogenphosphate.
Disodium hydrogen phosphate dihydrate Basic Attributes
177.99
177.961914
231-448-7
94255I6E2T
DTXSID1074250
Characteristics
85.4
-0.18080
White powder
1.064 g/mL at 20 °C
92,5°C
158ºC at 760mmHg
H2O: 0.5 M at 20 °C, clear, colorless
Store at +5°C to +30°C.
1.41mmHg at 25°C
4.9 (vs air)
Safety Information
UN 3077 9 / PGIII
3
36/37/38
26-36-24/25-22
WC4500000
Xi
Stable. Incompatible with strong oxidizing agents.
|Warning|H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]|P264, P280, P305+P351+P338, and P337+P313|Aggregated GHS information provided by 125 companies from 3 notifications to the ECHA C&L Inventory.
Disodium hydrogen phosphate dihydrate Use and Manufacturing
Phosphoric acid neutralization method: add soda ash into a neutralization reactor filled with water, slowly add 20% to 32% wet-process phosphoric acid under stirring for neutralization reaction, so that the neutralized liquid Ph=6.5-7.0, filter to remove residue (Mainly iron phosphate, aluminum phosphate, etc.), add industrial phosphoric acid to the filtrate to adjust Ph=4.2～4.4, and then evaporate and concentrate to 48～52°Bé, then send it to a cooling crystallizer to cool to 25～28°C to precipitate crystals. After centrifugal separation and drying, the finished product of disodium hydrogen phosphate dihydrate is obtained. H3PO4+Na2CO3→Na2CO3+H2O+CO2↑
Used as a boiler water softener, as a weighting agent for tanned leather and fabrics, as a flame retardant for wood and paper, as a glaze and welding flux. Mordant for dyeing is used as a stabilizer for hydrogen peroxide bleaching in the printing and dyeing industry. It is the raw material for manufacturing sodium pyrophosphate and other phosphates. It is also a culture agent for monosodium glutamate, erythromycin, penicillin, streptomycin and sewage biochemical treatment products. It not only has the purpose of disodium hydrogen phosphate dodecahydrate, but also prevents agglomeration during transportation and storage.
Computed Properties
Molecular Weight:177.99
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:6
Exact Mass:177.96191344
Monoisotopic Mass:177.96191344
Topological Polar Surface Area:85.4
Heavy Atom Count:9
Complexity:46.5
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
Drug Function and Efficacy
Mucosolvan has the characteristics of promoting mucus elimination and dissolving secretions. It can promote the elimination of viscous secretions in the respiratory tract and reduce mucus retention, thus significantly promoting expectoration and improving respiratory conditions. When treated with Mucosolvan, the patient's mucus secretion can be restored to normal. Coughing and sputum volume are usually significantly reduced, and the surfactant of the respiratory mucosa thus exerts its normal protective function.
Registered Holders
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JOST CHEMICAL CO
Active
United States
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Hunan Jiudian HONGYANG Pharmaceutical Co., Ltd.
Active
China
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HINDUSTAN PHOSPHATES PVT LTD
Active
United States
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Disodium hydrogen phosphate dihydrate
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