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Sodium dihydrogenorthophosphate

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Sodium dihydrogenorthophosphate

EINECS 231-449-2
CAS No. 7558-80-7 Density 1.40g/mLat 20°C
PSA 90.40000 LogP -0.49040
Solubility Soluble in water Melting Point <0 °C
Formula NaH2PO4 Boiling Point 158 °C at 760 mmHg
Molecular Weight 119.98 Flash Point N/A
Transport Information N/A Appearance white crystalline powder
Safety 26-36 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 7558-80-7 (Sodium dihydrogen orthoporthohosphate) Hazard Symbols IrritantXi

Phosphoricacid, monosodium salt (8CI,9CI);Dihydrogen monosodium phosphate;Dihydrogensodium phosphate;Monobasic sodium phosphate;Monosodium dihydrogen orthophosphate;Monosodium hydrogen phosphate;Sodium dihydrogen monophosphate;Sodium orthophosphate monobasic;Sodium phosphate, monobasic;Sodium primary phosphate;Monosodium Phosphate(MSP);sodium dihydrogen phosphate anhydrous;


Sodium dihydrogenorthophosphate Chemical Properties

Molecular Structure of Sodium dihydrogenorthophosphate (CAS NO.7558-80-7):

IUPAC Name: sodium dihydrogen phosphate
Empirical Formula: NaH2PO4
Molecular Weight: 119.977
CAS Registry Number: 7558-80-7
EINECS: 231-449-2
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: 65.57Å2
Boiling Point: 158 °C at 760 mmHg
Vapour Pressure: 1.41 mmHg at 25°C
Melting point: <0°C
Storage temp: Store at RT
Sensitive: Hygroscopic
Merck: 14,8660
Stability: Stable. Incompatible with heavy metals, strong acids
Product Categories: Inorganics; AlphabeticalBiological Buffers; Biological Buffers; BioUltra Buffers; Buffer SolutionsProtein Structural Analysis; Optimization Reagents; X-Ray Crystallography

Sodium dihydrogenorthophosphate Toxicity Data With Reference


eye-hmn 50 mg MLD

    ARZNAD    Arzneimittel-Forschung. Drug Research. 9 (1959),349.

eye-rbt 150 mg MLD

    ARZNAD    Arzneimittel-Forschung. Drug Research. 9 (1959),349.

orl-rat LD50:8290 mg/kg

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,16.

ims-rat LD50:250 mg/kg

    EMSUA8    Experimental Medicine and Surgery. 4 (1946),223.

Sodium dihydrogenorthophosphate Consensus Reports

Reported in EPA TSCA Inventory.

Sodium dihydrogenorthophosphate Safety Profile

Poison by intramuscular route. Mildly toxic by ingestion. A human and experimental eye irritant. When heated to decomposition it emits toxic fumes of POx and Na2O. See also Phosphates.
Hazard Codes: IrritantXi
Risk Statements: 36/37/38
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Safety Statements: 26-36
R26:Very toxic by inhalation. 
R36:Irritating to eyes.
WGK Germany: 1
RTECS: WA1900000
F: 3
HS Code: 28352200

Sodium dihydrogenorthophosphate Specification

 Sodium dihydrogenorthophosphate , with CAS number of 7558-80-7, can be called Phosphoric acid, sodium salt (2:3) ; Sodium hydrogen phosphate (1:2:1) ; Dihydrogensodium phosphate ; Monosodium dihydrogen orthophosphate . It is a white crystalline powder.

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