Sodium Phosphate Dibasic

Sodium Phosphate Dibasic

Synonyms Disodium Hydrogen Phosphate; Phosphoric Acid Disodium Salt; Dibasic sodium phosphate; Disodium orthophosphate; Disodium phosphate; DSP; Phosphate of soda; Secondary sodium phosphate; sec-Sodium phosphate, Sodium hydrogenphosphate

CAS Number: 7558-79-4 Molecular Formula: Na2HPO4 Molecular Weight: 141.957 g/mol

EC Number: 231-448-7 MDL Number: MFCD00003496

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SKU 02194849-CF
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Description

Product Description

Sodium Phosphate Dibasic

Application Notes

Sodium Phosphate Dibasic Anhydrous is used as sequestrant, emulsifier and buffer in foods, as mordant in dyeing, for weighting silk, in tanning, in manufacture of enamels, ceramics, detergents, boiler compds; as fireproofing agent, in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic, laxative. Useful in conjunction with Sodium Phosphate Monobasic in the preparation of biological buffers. Used in many applications including the purification of antibodies.

Usage Statement

Research Use Only (RUO). Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Key Applications

Reagent

Specifications
SKU 02194849-CF
Alternate Names Disodium Hydrogen Phosphate; Phosphoric Acid Disodium Salt; Dibasic sodium phosphate; Disodium orthophosphate; Disodium phosphate; DSP; Phosphate of soda; Secondary sodium phosphate; sec-Sodium phosphate, Sodium hydrogenphosphate
Application Notes Sodium Phosphate Dibasic Anhydrous is used as sequestrant, emulsifier and buffer in foods, as mordant in dyeing, for weighting silk, in tanning, in manufacture of enamels, ceramics, detergents, boiler compds; as fireproofing agent, in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic, laxative. Useful in conjunction with Sodium Phosphate Monobasic in the preparation of biological buffers. Used in many applications including the purification of antibodies.
Density approx 1.7 g/cu cm
EC Number 231-448-7
Format powder
Grade Anhydrous; Molecular biology reagent
Applications Reagent
MDL # MFCD00003496
Molecular Formula Na2HPO4
Molecular Weight 141.957 g/mol
Personal Protective Equipment Eyeshields, Gloves, respirator filter
pH Between 8,4 and 9,6 (1 % solution)
Physical Appearance White Powder
pKa (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)(at 25 °C) (Lit.)
Product Families Description Sodium phosphate dibasic
Product Overview Sodium Phosphate Dibasic
RTECS Number WC4500000
Solubility Freely soluble in <a class="pubchem-internal-link CID-962" href="https://pubchem.ncbi.nlm.nih.gov/compound/water">water</a>. Insoluble in <a class="pubchem-internal-link CID-702" href="https://pubchem.ncbi.nlm.nih.gov/compound/ethanol">ethanol</a>
Storage and Handling Store at Room Temperature (15-30 °C). Store Desiccated.
Usage Statement Research Use Only (RUO). Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.