In contrast, the dibasic version has a much higher pH of 9.5 by virtue of the dissociated HPO4 group having a net negative charge of 2, requiring much more acid to neutralize that group. Ungraded products supplied by Spectrum are indicative of a grade suitable The three pKa values for phosphoric acid (from the CRC … SODIUM PHOSPHATE DIBASIC, ANHYDROUS, ACS Reagent, powder, (Disodium Phosphate; Disodium Hydrogen Phosphate… Eur., 98.5-101% (calc. (Select up to %1% total). In the second step, the resulting solution of monosodium phosphate is partially neutralized: It is used in conjunction with trisodium phosphate in foods and water softening treatment. SODIUM PHOSPHATE, DIBASIC. Disodium phosphate (DSP), or sodium hydrogen phosphate, or sodium phosphate dibasic, is the inorganic compound with the formula Na2HPO4. Sodium phosphate dibasic dihydrate, puriss. Label: 1 M Dibasic Sodium Phosphate in nuclease free water. Sodium phosphate generally means Na3PO4. In foods, it is used to adjust pH. There are two components of the phosphate buffer; acid and salt (conjugate base). Sodium Phosphate, Dibasic, Anhydrous (7558 -79 -4) LD50 oral rat 5950 mg/kg LD50 dermal rabbit ≥ 7940 mg/kg ATE US (oral) 5950 mg/kg body weight ATE US (dermal) 7940 mg/kg body weight Skin corrosion/irritation : Not classified pH: 8.7 - 9.3 5% solution at 25°C Serious eye damage/irritation : Causes eye irritation. All Rights Reserved. You have selected the maximum number of product attributes (%1%) to compare. Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. This wide range is due to phosphoric acid having 3 dissociation constants, (known in chemistry as a triproti An important chemical in your body, sodium phosphate monobasic also possesses properties highly desired in a variety of laboratory experiments 1. Appearance:White crystal or crystalline powder Odor:None pH:9.0～9.6 Chemical stability:Unstable with heat. | Privacy. Eur., 98.5-101% (calc. For an acid, we define the term monobasic as “an acid, which possesses only one proton that can be donated to a base during an acid- base reaction.” Likewise, dibasic for an acid means having two protons, which can be donated to a base. Poly Bottle; 500g. Use the product Attributes below to configure the comparison table. Exactly how much to weigh out depends on whether you have anhydrous or hydrated sodium phosphate salts. 2H 2 O, MW 155.99 g/mol), or 13.9 g of the anhydrous form; 500 mL dH 2 O; 0.2 M dibasic stock Synonyms: Sodium monohydrogen phosphate, Sodium phosphate dibasic Hill Formula: HNa₂O₄P * 2 H₂O CAS #: 10028-24-7 EC Number: 231-448-7 Chemical Formula: Na₂HPO₄ * 2 … Customer Service. Potassium Phosphate, Dibasic is the dipotassium form of phosphoric acid, that can be used as an electrolyte replenisher and with radio-protective activity.Upon oral administration, potassium phosphate is able to block the uptake of the radioactive isotope phosphorus P 32 (P-32). Recipe can be automatically scaled by entering desired final volume. Phos-NaK: Dibasic potassium phosphate, monobasic potassium phosphate, dibasic sodium phosphate, and monobasic sodium phosphate per packet (100s) [sugar free; equivalent to elemental phosphorus 250 mg (8 mmol), sodium 160 mg (6.9 mEq), and … A0723, A0724), but it is a suitable sodium phosphate buffer for general use. To prepare a 50 mM phosphate buffer of pH 6.8, you may use either sodium salt or potassium salt of the orthophosphoric acid. Trisodium phosphate was at one time extensively used in formulations for a variety of consumer-grade soaps and detergents, and the most common use for trisodium phosphate has been in cleaning agents. Sodium phosphate can be found in fast food, deli meat, processed meat, canned tuna, baked goods, and other manufactured foods. © 2020  Merck KGaA, Darmstadt, Germany and/or its affiliates. Our company provides this Di SODIUM PHOSPHATE, SODIUM PHOSPHATE DIBASIC SDS information sheet contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. Sodium Phosphate, Dibasic - CAS 7558-79-4 - Calbiochem CAS 7558-79-4 ACS Reagent Grade. Phosphate uptake is increased at lower pH. I am preparing a sodium phosphate buffer solution at 0.1 M pH 7. phos., as a pH buffer. If it is above the desired pH add phosphoric acid to lower it to the desired Monobasic Sodium Phosphate Monobasic. - Find MSDS or SDS, a COA, data sheets and more information. For example, a pH of about 7.4 with a buffer strength of 50 mM is obtained using 0.1558% monosodium phosphate monohydrate and 1.0374% disodium phosphate, heptahydrate. Defects in this gene are a cause of pulmonary alveolar microlithiasis. Sodium phosphate dibasic dihydrate, BioXtra, ≥98.0% (T). Sorry we cannot compare more than 4 products at a time. to the dried substance). Working in tandem with sodium phosphate dibasic, this buffering solution helps control rapid fluctuations in pH, both in your body and in laboratory experiments. Disodium Phosphate Dihydrate found in: Sodium phosphate dibasic dihydrate, Fluka Sodium phosphate dibasic dihydrate puriss. Uses. It is one of several sodium phosphates. Sodium Phosphates Injection, USP, 3 mmol/mL (millimoles/mL), is a sterile, nonpyrogenic, concentrated solution containing a mixture of monobasic sodium phosphate and dibasic sodium phosphate in Water for Injection. In water treatment, it retards calcium scale formation. Synonyms: Sodium monohydrogen phosphate, Sodium phosphate dibasic EC Number: 231-448-7 CAS #: 10039-32-4 Hill Formula: HNa₂O₄P * 12 H₂O Molar Mass: 358.14 g/mol Chemical Formula: Na₂HPO₄ * 12 H₂O Grade: ISO,Reag. Eur., BP, 98.5-101% (calc. 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