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Sigma-Aldrich 79622 Phosphoric acid puriss. p.a., crystallized, ≥99.0% (T) 500 gr

Kategori
Stok Kodu
LB.SA.79622-500G
Kısa Bilgi
Synonym(s): Orthophosphoric acid Linear Formula: H3PO4 CAS Number: 7664-38-2 Molecular Weight: 98.00 Beilstein: 1921286 EC Number: 231-633-2 MDL number: MFCD00011340 PubChem Substance ID: 329768533 NACRES: NA.21
Bilgi
CAS Number: 7664-38-2
Sigma-Aldrich 79622 Phosphoric acid puriss. p.a., crystallized, ≥99.0% (T) 500 gr
Synonym(s): Orthophosphoric acid
Linear Formula: H3PO4
CAS Number: 7664-38-2
Molecular Weight: 98.00
Beilstein: 1921286
EC Number: 231-633-2
MDL number: MFCD00011340
PubChem Substance ID: 329768533
NACRES: NA.21
Sigma-Aldrich 79622 Phosphoric acid puriss. p.a., crystallized, ≥99.0% (T) 100 gr
PROPERTIES
vapor density 3.4 (vs air) 
Quality Level 200 
vapor pressure 2.2 mmHg ( 20 °C) 5 mmHg ( 25 °C) 
grade puriss. p.a. 
assay ≥99.0% (T) 
form powder or crystals 
quality crystallized 
impurities ≤0.002% KMnO4-reducing matter (as O) 
bp 158 °C (lit.) 
mp ~40 °C (lit.) ~40 °C 
solubility water: 850 g/L at 20 °C 
density 1.685 g/mL at 25 °C (lit.) 
anion traces
chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤5 mg/kg
phosphite, hypophosphite (as H3PO3): ≤500 mg/kg
sulfate (SO42-): ≤30 mg/kg 
cation traces
As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤10 mg/kg
K: ≤5 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤50 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg 
SMILES string OP(O)(O)=O 
InChI 1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4) 
InChI key NBIIXXVUZAFLBC-UHFFFAOYSA-N
 
DESCRIPTION
General description
Phosphoric acid (H3PO4) is also known as orthophosphoric acid. It serves as an intermediary or reagent in various manufacturing processes. Phosphoric acid is found in fertilizers, detergents, and other household cleaning products. The product is crystalline phosphoric acid.
Application
Phosphoric acid has been employed as an oxidation reagent in a study.1 It may be used in the preparation of ammonium phosphate.[1] Phosphoric acid is used:
As a catalyst in the nucleophilic addition to imines.
In the synthesis of porous phosphoric acid-based geopolymers.
In the synthesis of mono-alkyl phosphates from simple aliphatic alcohols in the presence of acetic anhydride activator. 
Packaging
100, 500 g in glass bottle
1 kg in glass bottle
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Caution
product may become solid, becomes liquid on heating to 50°C
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Sigma-Aldrich 79622 Phosphoric acid puriss. p.a., crystallized, ≥99.0% (T) 500 gr Synonym(s): Orthophosphoric acid Linear Formula: H3PO4, CAS Number: 7664-38-2, Molecular Weight: 98.00 LB.SA.79622-500G
Sigma-Aldrich 79622 Phosphoric acid puriss. p.a., crystallized, ≥99.0% (T) 500 gr

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