Sodium dihydrogen phosphate monohydrate supplier

Name
Sodium Phosphate Monobasic Monohydrate
EINECS 231-449-2
CAS No. 10049-21-5
Article Data128
CAS DataBase
Density 2.04 g/cm³
Solubility water: 1 M, clear, colorless
Melting Point 100 °C
Formula NaH₂PO₄^.H₂O
Boiling Point 158 °C at 760 mmHg
Molecular Weight 137.992
Flash Point
Transport Information
Appearance white crystals or crystalline powder
Safety 26-36/37/39-36-39
Risk Codes 36/37/38-36
Molecular Structure
Hazard Symbols Xi
Synonyms Monosodiumphosphate monohydrate;Phosphoric acid,monosodium salt, monohydrate (8CI,9CI);
PSA 99.63000
LogP -0.55470

Synthetic route

: 10039-56-2
sodium hypophosphite

A: 10049-21-5
sodium dihydrogenphosphate

B: 13933-52-3
sodium phosphite

Conditions

Conditions	Yield
With nickel on silica for 2h; Reflux;	A n/a B 53%

: sodium triphosphate hexahydrate

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) heating to 100°C and thermal treatment;;	A 15% B 8%
In neat (no solvent) heating at 100°C and 1E-5Torr for 16h and thermal treatment;; product mixture;;	A 15% B 8%
In neat (no solvent) heating to 100°C and thermal treatment;;	A 15% B 8%
In neat (no solvent) heating at 100°C and 1E-5Torr for 16h and thermal treatment;; product mixture;;	A 15% B 8%

: 765207-04-3
iron(III) phosphate

: 7647-14-5
sodium chloride

A: 7647-01-0
hydrogenchloride

B: iron(III) oxide

C: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With air In neat (no solvent) calcination of NaCl and FePO4 in a flow of air and vapor;; condensation of HCl; leaching residue of Fe2O3 and Na2HPO4;;

...Expand

: 7732-18-5
water

: sodium phosphate

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With CO or SO2 or nitrogen oxides In water pressure;; mixture obtained;;
With carbon dioxide In water byproducts: NaHCO3; with CO2 under pressure;; mixture obtained;;
With carbon dioxide In water byproducts: NaHCO3; with CO2 under pressure;; mixture obtained;;

...Expand

: sodium phosphate

A: 10049-21-5
sodium dihydrogenphosphate

B: 14989-30-1
hypochloric acid

C: 7647-14-5
sodium chloride

Conditions

Conditions	Yield
With chlorine In not given soln. of Na3PO4 is treared with Cl2;; heterogeneous product mixture obtained; HClO can be distd.;;

...Expand

: tricalcium diphosphate

: 7647-14-5
sodium chloride

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With hydrogenchloride; sulfuric acid In water byproducts: CaSO4; decompn. of Ca3(PO4)2 with HCl and pptn. of Ca(2+) with H2SO4; heating H3PO4 soln. with NaCl until all HCl is exhausted;;

: disodium hydrogenphosphate

: trisodium pyrophosphate

A: 124-43-6
sodium pyrophosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) on trituration;;

...Expand

: 86119-84-8, 7664-38-2
phosphoric acid

: 497-19-8
sodium carbonate

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In water neutralization of crude H3PO4 with Na2CO3 at 35 or 70°C in presence of BaCO3, FeSO4 and activated coal;; product-mixture, diphosphate:monophosphate=1.67:1 at 70 °C without preceding filtration, ratio 1.05:1 at 35 °C;;

...Expand

: phosphorous

: 86119-84-8, 7664-38-2
phosphoric acid

: 7757-82-6
sodium sulfate

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: SO2; react. of 1 mol red P with up to 5 mol Na2SO4 in presence of H3PO4 at 300-335°C until development of SO2 ceases;; mixture obtained;;

...Expand

: 7647-01-0
hydrogenchloride

: disodium hydrogenphosphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: NaCl; with gaseous HcL;;
In neat (no solvent) byproducts: NaCl; with gaseous HcL;;
In neat (no solvent) byproducts: NaCl; on treatment with HCl gas;; in mixture with NaCl;;

: sodium metaphposphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With H2O In hydrogenchloride hydratation of NaPO3 in hydrochloric soln.; intermediate pyrophosphate; react. depending on pH;; determined by dependence of pH on concn.;;

: disodium hydrogenphosphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With sodium hydrogen sulfate In neat (no solvent) byproducts: Na2SO4; >200°-C, equimolar amounts of Na2HPO4 and NaHSO4;;
With CO or SO2 or nitrogen oxide In water introduction under pressure;; in mixture with educt;;
With carbon dioxide In water byproducts: NaHCO3; introduction of CO2 under pressure;; in mixture with educt;;

: disodium hydrogenphosphate

A: 10049-21-5
sodium dihydrogenphosphate

B: 14989-30-1
hypochloric acid

C: 7647-14-5
sodium chloride

Conditions

Conditions	Yield
With chlorine In not given soln. of Na2HPO4 is treated with Cl2;; heterogeneous product mixture obtained; HClO can be distd.;;

...Expand

: disodium hydrogenphosphate

A: 10049-21-5
sodium dihydrogenphosphate

B: 144-55-8
sodium hydrogencarbonate

Conditions

Conditions	Yield
With CO2; H2O In water

: 10039-56-2
sodium hypophosphite

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: PH3, Na3PO4, Na2HPO4; formation of NaH2PO3 at 250°C, formation of NaH2PO4 (and PH3, Na3PO4, Na2HPO4) on further heating to 375°C;;
In neat (no solvent) byproducts: PH3, Na3PO4, Na2HPO4; formation of NaH2PO3 at 250°C, formation of NaH2PO4 (and PH3, Na3PO4, Na2HPO4) on further heating to 375°C;;

: 7758-05-6
potassium iodate

: 10039-56-2
sodium hypophosphite

A: 10049-21-5
sodium dihydrogenphosphate

B: 7681-11-0
potassium iodide

Conditions

Conditions	Yield
In water alkaline solution; 100°C; slow reaction;;

...Expand

: 10039-56-2
sodium hypophosphite

: hydroxide

A: 10049-21-5
sodium dihydrogenphosphate

B: 7732-18-5
water

Conditions

Conditions	Yield
In not given Electrolysis; glow light electrlysis of NaH2PO2 soln. (480 V, 60 mA, 12 Torr, distance of anode to surface of liquid 8 mm); conc. 0.01-0.25 mol/l;;
In not given Electrolysis; glow light electrlysis of NaH2PO2 soln. (480 V, 60 mA, 12 Torr, distance of anode to surface of liquid 8 mm); conc. 0.01-0.25 mol/l;;

...Expand

: sodium triphosphate hexahydrate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: Na4P2O7, H2O; on dehydration at about 100°C;; in mixture with Na4P2O7;;
In neat (no solvent) byproducts: Na4P2O7, H2O; on dehydration at about 100°C;; in mixture with Na4P2O7;;

: sodium triphosphate hexahydrate

A: 124-43-6
sodium pyrophosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In neat (no solvent) byproducts: H2O; between 85 and 120°C;;
In neat (no solvent) byproducts: H2O; excess diphosphate in product-mixture;;
In neat (no solvent) byproducts: H2O; between 85 and 120°C;;

: sodium triphosphate hexahydrate

A: 124-43-6
sodium pyrophosphate

B: 10049-21-5
sodium dihydrogenphosphate

C: monosodium trihydrogen diphosphate 1-hydrate

Conditions

Conditions	Yield
In neat (no solvent) Kinetics; between 85 and 120°C;; Na3HP2O7*H2O detected by X-ray;;
In neat (no solvent) <120°C;;
In neat (no solvent) Kinetics; between 85 and 120°C;; Na3HP2O7*H2O detected by X-ray;;

...Expand

: 7732-18-5
water

: sodium phosphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With CO2 In water byproducts: (Na2HPO4); treatment of concd. soln. with CO2 under pressure;; alone or in mixture with Na2HPO4;;
With carbon dioxide In water byproducts: (Na2HPO4); treatment of concd. soln. with CO2 under pressure;; alone or in mixture with Na2HPO4;;

: Graham salt

: 7732-18-5
water

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In water hydrolysis in neutral, boiling soln., catalysis by La-salt;;
In water hydrolysis in neutral, boiling soln.;;
In water hydrolysis in neutral, boiling soln.;;
In water hydrolysis in neutral, boiling soln., catalysis by La-salt;;

: disodium hydrogenphosphate

: 7732-18-5
water

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With sulfur dioxide In water on introduction of SO2, reversible react.;;
With CO2 In water byproducts: (Na2HPO4); treatment of concd. soln. with CO2 under pressure;; alone or in mixture with Na2HPO4;;
With carbon dioxide In water byproducts: (Na2HPO4); treatment of concd. soln. with CO2 under pressure;; alone or in mixture with Na2HPO4;;

: Sodium tripolyphosphate

: 7732-18-5
water

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In water enzymatic decompn.;;
In water enzymatic decompn.;;

...Expand

: 7446-09-5
sulfur dioxide

: sodium phosphate

A: disodium hydrogenphosphate

B: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
With air In water formed as by-products on oxidation of SO2 with air in solns. of acidic sulfides in presence of Na3PO4 (added to consume the H2SO4 formed in the react.);; product mixture;;
With air In water formed as by-products on oxidation of SO2 with air in solns. of acidic sulfides in presence of Na3PO4 (added to consume the H2SO4 formed in the react.);; product mixture;;

...Expand

: 86119-84-8, 7664-38-2
phosphoric acid

: sodium phosphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In water react. of a soln. containing 497g Na3PO4/l with H3PO4 (from disintegration, containing 858g P2O5/l) at 40°C, pptn. of impurities (Al, Fe), cooling of filtrate to 11°C, crystn.;;

: 7664-93-9
sulfuric acid

: sodium phosphate

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In sulfuric acid byproducts: Na2SO410H2O; addn. of excess H2SO4 (density: 1.261-1.381), pptn. of Na2SO410H2O on cooling, pptn. of excess SO4(2-) with BaCO3, evapn. of filtrate to a density of 1.631, crystn.;; pure product;;

: monocalcium phosphate

: sodium fluoride

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In water treatment with NaF soln.;;
In water treatment with NaF soln.;;

: 86119-84-8, 7664-38-2
phosphoric acid

: 7647-14-5
sodium chloride

: 10049-21-5
sodium dihydrogenphosphate

Conditions

Conditions	Yield
In methanol; water treatment of 1 mol NaCl with 2.5-3 mol H3PO4 at 130 °C while passing moist air; crystn. of NaH2PO4*H3PO4 on cooling, decompn. with methanol;;
In water byproducts: HCl; from crude phosphoric acid (excess), subsequent neutralization;;
In water byproducts: HCl; from crude phosphoric acid at >250°C, hydrolysis of intermediately formed di- and metaphosphates by pouring the hot react. product into aq. H3PO4;;

: 7758-19-2
sodium chlorite

: 10049-21-5
sodium dihydrogenphosphate

: 513-35-9
2-methyl-but-2-ene

: 18450-27-6
ethyl 3-formyl-1H-indole-2-carboxylate

: 441800-93-7
2-(ethoxycarbonyl)-1H-indole-3-carboxylic acid

Conditions

Conditions	Yield
In water; tert-butyl alcohol	99%

...Expand

: disodium hydrogenphosphate

: 10049-21-5
sodium dihydrogenphosphate

: (C6H10(NCHC6H2(OCH3)(C(CH3)3)O)2)TiCl2

: ((C6H10(NCHC6H2(OCH3)(C(CH3)3)O)2)TiO)2

Conditions

Conditions	Yield
In dichloromethane; water Na2HPO4 and NaH2PO4 dissolved in distd. H2O; added to soln. of Ti complex in CH2Cl2; stirred for 1 h; phosphate buffer removed; replaced with fresh portion; stirred for 1 h; org. layer sepd.; washed with H2O; dried (Na2SO4); evapd. in vac.;	99%

...Expand

: disodium hydrogenphosphate

: 10049-21-5
sodium dihydrogenphosphate

: (C6H10(NCHC6H2(NO2)(C(CH3)3)O)2)TiCl2

: ((C6H10(NCHC6H2(NO2)(C(CH3)3)O)2)TiO)2

Conditions

Conditions	Yield
In dichloromethane; water Na2HPO4 and NaH2PO4 dissolved in distd. H2O; added to soln. of Ti complex in CH2Cl2; stirred for 1 h; phosphate buffer removed; replaced with fresh portion; stirred for 1 h; org. layer sepd.; washed with H2O; dried (Na2SO4); evapd. in vac.;	99%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: tungsten(VI) oxide monohydrate

: 1112-67-0
tetrabutyl-ammonium chloride

: 7722-84-1
dihydrogen peroxide

: 3(C4H9)4N(1+)*PO4(3-)*[WO(O2)2]2[WO(O2)2(H2O)]=[N(C4H9)4]3[(PO4)[WO(O2)2]2[WO(O2)2(H2O)]]

Conditions

Conditions	Yield
In water WO3 suspending in H2O2 soln., stirring (50°C) to colorless soln.,insoluble material removal by centrifugation, phosphate soln. addn., NB u4-salt soln. dropwise addn.; filtration, washing (cold water, Et2O), air drying; elem. anal.;	98%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: disodium dihydrogen pyrophosphate

Conditions

Conditions	Yield
In neat (no solvent) heating NaH2PO4 (recrystd., dried at 70°C) to 210°C for 12h;;	97%
In neat (no solvent) heating NaH2PO4 (recrystd., dried at 70°C) to 210°C for 12h;;	97%
In neat (no solvent) byproducts: H2O; thermal decompn.: 210°C, 12h;;	>99

: 10049-21-5
sodium dihydrogenphosphate

: H2O3PCH2CH2NH(CH(CH3)2)

: zirconyl chloride octahydrate

zirconium phosphate phosphonate monohydrate: zirconium phosphate phosphonate monohydrate

Conditions

Conditions	Yield
In water soln. of NaH2PO4 and H2O3PC2H4NHCH(CH3)2 in water added to aq. soln. of ZrOCl2*8H2O with stirring, then react. mixt. haeted and stirred at 60-70°C for 12 h; ppt. filtered, washed with water to pH 5 and dried in vac.; elem. anal.;	95.4%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: 1-(N,N-dimethylamino)-3-(4-fluorophenyl)-2-(4-methylthiophenyl)prop-1-en-3-one

: 107-91-5
cyanoacetic acid amide

: 181811-68-7
1,2-dihydro-6-(4-fluorophenyl)-5-[4-(methylthio)phenyl]-2-oxo-pyridine-3-carbonitrile

Conditions

Conditions	Yield
In methanol; N,N-dimethyl-formamide	95%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: zirconyl chloride

: 4730-75-0
4-morpholinomethylphosphonic acid

: 7732-18-5
water

: zirconium [N-(phosphonomethyl)morpholine-phosphate] dihydrate

Conditions

Conditions	Yield
In water addn. of mixture of N-(phosphonomethyl)iminodiacetic acid and NaH2PO4 inwater to aq. soln. of ZrOCl2 with stirring; stirred for 3-4 h at 60-70. degree.C; filtered, washed (water, to pH=5-6), dried (vac.); elem. anal., TGA;	95%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: zirconyl chloride octahydrate

: 55215-15-1
2-Guanidinoethylphosphonic acid

: zirconium phosphate phosphonate monohydrate

Conditions

Conditions	Yield
In water soln. of NaH2PO4 and H2O3PC2H4NHC(NH)NH2 in water added to aq. soln. of ZrOCl2*8H2O with stirring, then react. mixt. heated and stirred at 60-70°C for 12 h; ppt. filtered, washed with water to pH 5 and dried in vac.; elem. anal.;	93.9%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: zirconyl chloride octahydrate

: 14596-56-6
2-(dimethylamino)ethylphosphonate

: zirconium phosphate phosphonate monohydrate

Conditions

Conditions	Yield
In water soln. of NaH2PO4 and H2O3PC2H4N(CH3)2 in water added to aq. soln. of ZrOCl2*8H2O with stirring, then react. mixt. heated and stirred at 60-70°C for 12 h; ppt. filtered, washed with water to pH 5 and dried in vac.; elem. anal.;	93.6%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: zirconyl chloride

: 5994-61-6
phosphonomethylimino-di-acetic acid

: 7732-18-5
water

: zirconium [N-(phosphonomethyl)iminodiacetic acid-phosphate] dihydrate

Conditions

Conditions	Yield
In water addn. of mixture of N-(phosphonomethyl)iminodiacetic acid and NaH2PO4 inwater to aq. soln. of ZrOCl2 with stirring, stirred for 3-4 h at 60-70. degree.C; filtered, washed (water, to pH=5-6), dried (vac.); elem. anal., TGA;	93.5%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: 1186-10-3
diethyl 3-(bromopropyl)phosphonic acid

: 557-34-6
zinc diacetate

: 3Zn(2+)*1.5O4P(3-)*0.5HO4P(2-)*1.5Na(1+)*C3H6BrO3P(2-)

Conditions

Conditions	Yield
Stage #1: diethyl 3-(bromopropyl)phosphonic acid With hydrogenchloride; acetic acid In water at 80℃; for 24h; Stage #2: sodium dihydrogenphosphate; zinc diacetate In water at 20 - 66℃; for 90h;	92%

...Expand

: 7758-19-2
sodium chlorite

: 10049-21-5
sodium dihydrogenphosphate

: 513-35-9
2-methyl-but-2-ene

: 238749-16-1
Methyl 4-(3,4-dichlorobenzyl)-2-formylfuro[3,2-b ]pyrrole-5-carboxylate

: 238749-18-3
Methyl 2-carboxy-4-(3,4-dichlorobenzyl)furo[3,2-b ]pyrrole-5-carboxylate

Conditions

Conditions	Yield
In water; tert-butyl alcohol	91%

...Expand

: 10049-21-5
sodium dihydrogenphosphate

: iron(III) chloride hexahydrate

: iron(III) oxide

Conditions

Conditions	Yield
With sodium fluoride In water at 220℃; for 48h; Autoclave;	90%

: 7758-19-2
sodium chlorite

: 10049-21-5
sodium dihydrogenphosphate

: 189092-64-6
N-(2-t-butyl-5-carbamoylphenyl)-3-(4-formyl-2-methoxyphenyl)octanamide

: N-(2-t-butyl-5-carbamoylphenyl)-3-(4-carboxy-2-methoxyphenyl)octanamide

Conditions

Conditions	Yield
With dimethyl sulfoxide In water	89%

...Expand

Sodium dihydrogen phosphate monohydrate Chemical Properties

Molecular Structure of Sodium dihydrogen phosphate monohydrate (CAS NO.10049-21-5):

IUPAC Name: sodium dihydrogen phosphate hydrate
Empirical Formula: H₄NaO₅P
Molecular Weight: 137.9923
ACD/LogP: -2.15
of Rule of 5 Violations: 0
ACD/LogD (pH 5.5): -5.41
ACD/LogD (pH 7.4): -6.38
ACD/BCF (pH 5.5): 1
ACD/BCF (pH 7.4): 1
H bond acceptors: 4
H bond donors: 3
Freely Rotating Bonds: 0
Polar Surface Area: 65.57 Å²
Boiling Point: 158 °C at 760 mmHg
Vapour Pressure: 1.41 mmHg at 25°C
Solubility H₂O: 1 M
Sensitive: Hygroscopic
Merck: 14,8660
InChI
InChI=1/Na.H3O4P.H2O.H/c;1-5(2,3)4;;/h;(H3,1,2,3,4);1H2;/rHNa.H3O4P.H2O/c;1-5(2,3)4;/h1H;(H3,1,2,3,4);1H2
Smiles
P(O)(O)(O)=O.[Na].O
EINECS: 231-449-2
Product Categories: Cytochemistry Products; Hematology and Histology; N - Z;All Food Control Media (alphabetical)Microbiology; All Liquid Media/BrothsMedia by Application; Media;Media by Application; Media for Food Control; Media for Water Control; Media for Water Control (General)Media; Media from A

Sodium dihydrogen phosphate monohydrate Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38-36
R36/37/38:Irritating to eyes, respiratory system and skin.
R36:Irritating to eyes.
Safety Statements: 26-36/37/39-36-39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S36:Wear suitable protective clothing.
S39:Wear eye / face protection.
WGK Germany: 1
RTECS: WA1900000
F: 3

Sodium dihydrogen phosphate monohydrate Specification

Sodium dihydrogen phosphate monohydrate , with CAS number of 10049-21-5, can be called Sodium dihydrogen phosphate hydrate (1:1:1) ; Monosodium orthophosphate ; Monosodium phosphate ; Phosphoric acid, monosodium salt, monohydrate ; sodium phosphate, monobasic . It is a white crystal or crystalline powder.

Product Name

Sodium Phosphate Monobasic Monohydrate

Synthetic route

Sodium dihydrogen phosphate monohydrate Chemical Properties

Sodium dihydrogen phosphate monohydrate Safety Profile

Sodium dihydrogen phosphate monohydrate Specification

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