22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 CAS 7558-79-4

Purity 97%+In StockPharmaceutical Standards
CAS No.7558-79-4
Molecular FormulaHO4P
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

22ADO53M6F
7558-79-4
Natriumphosphat
Phosphoric acid, disodium salt
UNII-22ADO53M6F
Sodium phosphate, dibasic (anhydrous)
Disodium hydrogen phosphate, anhydrous
Disodium hydrophosphate
Sodium phosphate, dibasic
Disodium hydrogenorthophosphate
Disodium phosphate
Sodium phosphate
Disodium hydrogen phosphate
Disodium orthophosphate
Disodium monohydrogen phosphate
Disodium phosphate, anhydrous
Disodium phosphoric acid
DSP
EINECS 231-448-7
Sodium phosphate, exsiccated
Sodium phosphate (NaHPO4)
Sodium monohydrogen phosphate (2:1:1)
Acetest
Caswell No. 778
CCRIS 5931
Dibasic sodium phosphate
Disodium acid orthophosphate
Disodium acid phosphate
EPA Pesticide Chemical Code 076403
Exsiccated sodium phosphate
FEMA No. 2398
FEMA Number 2398
HSDB 376
Natriumphosphat [German]
Phosphate of soda
secondary Sodium phosphate
Soda phosphate
Sodium acid phosphate, anhydrous
Sodium hydrogen phosphate
Sodium monohydrogen phosphate
Sodium orthophosphate, secondary
Fleet enema
Phosphoric acid, sodium salt (1:2)
EC 231-448-7 CAS 7558-79-4 chemical structure

Description

The occurrence of 22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 is closely related to a phosphate ester group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 (CAS 7558-79-4), molecular formula HO4PNa and molecular weight 118.97 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a phosphate ester group, 22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 118.97 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaHO4P 2*Na
Molecular Weight118.97 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Freely soluble in water
StabilityHygroscopic; reseal immediately after opening
CAS Registry Year (est.)1959

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