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Sodium phosphate dibasic dodecahydrate

CAS No.
10039-32-4
Chemical Name:
Sodium phosphate dibasic dodecahydrate
Synonyms
DISODIUM HYDROGEN PHOSPHATE;DISODIUM PHOSPHATE DODECAHYDRATE;dodecahydrate;SODIUM MONOHYDROGEN PHOSPHATE;Dibasic Sodium Phosphate Dodecahydrate;Dibasic Sodium Phosphate Hydrate;DI-SODIUM HYDROGEN PHOSPHATE DODECAHYDRATE;lisnuanerqingna;DISODIUM PHOSPHATE (DSP);SODIUM PFAT 2BAS 12HYD XTL
CBNumber:
CB1324215
Molecular Formula:
H25Na2O16P
Molecular Weight:
358.14
MDL Number:
MFCD00149181
MOL File:
10039-32-4.mol
MSDS File:
SDS
Last updated:2024-03-22 11:43:20

Sodium phosphate dibasic dodecahydrate Properties

Melting point 35 °C
Density 1,52 g/cm3
storage temp. Store at +15°C to +25°C.
solubility H2O: 0.1 M at 20 °C, clear, colorless
form Crystals
color White
PH 9.0-9.3 (25℃, 50mg/mL in H2O)
Odor Odorless
PH Range 8.4 - 9.6 at 36 g/l at 25 °C
Water Solubility 218 g/L (20 ºC)
λmax λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
InChI InChI=1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2
InChIKey DGLRDKLJZLEJCY-UHFFFAOYSA-L
SMILES P([O-])([O-])(=O)O.O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
FDA 21 CFR 175.210; 175.300; 181.29
CAS DataBase Reference 10039-32-4(CAS DataBase Reference)
FDA UNII E1W4N241FO
EPA Substance Registry System Disodium phosphate dodecahydrate (10039-32-4)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P305+P351+P338
Safety Statements  24/25
RIDADR  UN 3077 9 / PGIII
WGK Germany  1
RTECS  TC5725000
HS Code  28352200
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

Sodium phosphate dibasic dodecahydrate price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.06579 di-Sodium hydrogen phosphate dodecahydrate for analysis EMSURE? ISO,Reag. Ph Eur 10039-32-4 500g $57.8 2024-03-01 Buy
Sigma-Aldrich 1.06579 di-Sodium hydrogen phosphate dodecahydrate for analysis EMSURE? ISO,Reag. Ph Eur 10039-32-4 1kg $88.9 2024-03-01 Buy
Sigma-Aldrich 1.06579 di-Sodium hydrogen phosphate dodecahydrate for analysis EMSURE? ISO,Reag. Ph Eur 10039-32-4 5kg $311 2024-03-01 Buy
Sigma-Aldrich 1.06573 di-Sodium hydrogen phosphate dodecahydrate cryst., Emprove? Essential, Ph. Eur., BP, ChP, JP, USP 10039-32-4 1kg $56 2024-03-01 Buy
Sigma-Aldrich 1.06579 di-Sodium hydrogen phosphate dodecahydrate for analysis EMSURE? ISO,Reag. Ph Eur 10039-32-4 25kg $1780 2024-03-01 Buy
Product number Packaging Price Buy
1.06579 500g $57.8 Buy
1.06579 1kg $88.9 Buy
1.06579 5kg $311 Buy
1.06573 1kg $56 Buy
1.06579 25kg $1780 Buy

Sodium phosphate dibasic dodecahydrate Chemical Properties,Uses,Production

Chemical Properties

The USP 32 states that dibasic sodium phosphate is dried or contains, 1, 2, 7, or 12 molecules of water of hydration. Anhydrous dibasic sodium phosphate occurs as a white powder. The dihydrate occurs as white or almost white, odorless crystals.
The heptahydrate occurs as colorless crystals or as a white granular or caked salt that effloresces in warm, dry air. The dodecahydrate occurs as strongly efflorescent, colorless or transparent crystals.

Chemical Properties

white crystals

Uses

Sodium Phosphate Dibasic Dodecahydrate is used in method for preparing self-supporting membrane.

Uses

Laxative.

Production Methods

Either bone phosphate (bone ash), obtained by heating bones to whiteness, or the mineral phosphorite is used as a source of tribasic calcium phosphate, which is the starting material in the industrial production of dibasic sodium phosphate.
Tribasic calcium phosphate is finely ground and digested with sulfuric acid. This mixture is then leached with hot water and neutralized with sodium carbonate, and dibasic sodium phosphate is crystallized from the filtrate.

Definition

ChEBI: A hydrate that is the dodecahydrate form of disodium hydrogenphosphate

General Description

Sodium phosphate is a colorless crystalline sodium salt. It is widely used as a buffer in molecular biology, biochemistry, and chromatographic studies. It exists in three forms: monobasic (NaH2PO4), dibasic (Na2HPO4), and tribasic (Na3PO4). Monobasic and dibasic forms in varying ratios are commonly used to compose the neutral sodium phosphate buffer solution.

Pharmaceutical Applications

Dibasic sodium phosphate is used in a wide variety of pharmaceutical formulations as a buffering agent and as a sequestering agent. Therapeutically, dibasic sodium phosphate is used as a mild laxative and in the treatment of hypophosphatemia.
Dibasic sodium phosphate is also used in food products; for example as an emulsifier in processed cheese.

Safety

Dibasic sodium phosphate is widely used as an excipient in parenteral, oral, and topical pharmaceutical formulations. Phosphate occurs extensively in the body and is involved in many physiological processes since it is the principal anion of intracellular fluid. Most foods contain adequate amounts of phosphate, making hypophosphatemia (phosphate deficiency) virtually unknown except for certain disease states or in patients receiving total parenteral nutrition. Treatment is usually by the oral administration of up to 100 mmol of phosphate daily.
Approximately two-thirds of ingested phosphate is absorbed from the gastrointestinal tract, virtually all of it being excreted in the urine, and the remainder is excreted in the feces.
Excessive administration of phosphate, particularly intravenously, rectally, or in patients with renal failure, can cause hyperphosphatemia that may lead to hypocalcemia or other severe electrolyte imbalances. Adverse effects occur less frequently following oral consumption, although phosphates act as mild saline laxatives when administered orally or rectally. Consequently, gastrointestinal disturbances including diarrhea, nausea, and vomiting may occur following the use of dibasic sodium phosphate as an excipient in oral formulations. However, the level of dibasic sodium phosphate used as an excipient in a pharmaceutical formulation is not usually associated with adverse effects.
LD50 (rat, oral): 17 g/kg

storage

The anhydrous form of dibasic sodium phosphate is hygroscopic. When heated to 40℃, the dodecahydrate fuses; at 100℃ it loses its water of crystallization; and at a dull-red heat (about 240℃) it is converted into the pyrophosphate, Na4P2O7. Aqueous solutions of dibasic sodium phosphate are stable and may be sterilized by autoclaving.
The bulk material should be stored in an airtight container, in a cool, dry place.

Incompatibilities

Dibasic sodium phosphate is incompatible with alkaloids, antipyrine, chloral hydrate, lead acetate, pyrogallol, resorcinol and calcium gluconate, and ciprofloxacin. Interaction between calcium and phosphate, leading to the formation of insoluble calcium-phosphate precipitates, is possible in parenteral admixtures.

Regulatory Status

GRAS listed. Accepted in Europe for use as a food additive. Included in the FDA Inactive Ingredients Database (injections; infusions; nasal, ophthalmic, oral, otic, topical, and vaginal preparations). Included in nonparenteral and parenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Non-medicinal Ingredients.

Global( 453)Suppliers
Supplier Tel Email Country ProdList Advantage
Chongqing Chuandong Chemical (Group) Co. Ltd.
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View Lastest Price from Sodium phosphate dibasic dodecahydrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium phosphate dibasic dodecahydrate pictures 2024-03-28 Sodium phosphate dibasic dodecahydrate
10039-32-4
US $100.00-95.00 / kilograms 1kilograms 99% 100tons Hebei Dangtong Import and export Co LTD
Sodium phosphate dibasic dodecahydrate pictures 2024-03-23 Sodium phosphate dibasic dodecahydrate
10039-32-4
US $6.00 / KG 1KG More than 99% 500KG/Month Hebei Saisier Technology Co., LTD
Sodium phosphate dibasic dodecahydrate pictures 2024-03-18 Sodium phosphate dibasic dodecahydrate
10039-32-4
US $40.00-24.00 / kg 1kg 99% 30 tons Hebei Yanxi Chemical Co., Ltd.
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