1.00565
ortho-Phosphoric acid
99%, cryst. for analysis EMSURE®
Synonym(s):
Phosphoric acid, Orthophosphoric acid, o-Phosphoric acid, Orthophosphoric acid
About This Item
product name
ortho-Phosphoric acid 99%, cryst. for analysis EMSURE®
vapor density
3.4 (vs air)
Quality Level
vapor pressure
2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)
product line
EMSURE®
Assay
≥99% (acidimetric)
form
solid
potency
2740 mg/kg LD50, skin (Rabbit)
concentration
85% phosphoric acid
impurities
≤20 ppm Substances reducing potassium permanganate (as O)
≤20 ppm Volatile acids (as CH3COOH)
pH
<0.5 (20 °C, 100 g/L in H2O)
bp
158 °C (lit.)
mp
~40 °C (lit.)
solubility
750-850 g/L
density
1.685 g/mL at 25 °C (lit.)
1.84 g/cm3 at 38 °C
anion traces
chloride (Cl-): ≤2 ppm
fluoride (F-): ≤0.5 ppm
nitrate (NO3-): ≤2 ppm
phosphite, hypophosphite (as H3PO3): ≤500 ppm
cation traces
As: ≤1 ppm
Ca: ≤20 ppm
Cd: ≤1 ppm
Co: ≤1 ppm
Cu: ≤1 ppm
Fe: ≤10 ppm
K: ≤5 ppm
Mg: ≤1 ppm
Mn: ≤1 ppm
Na: ≤50 ppm
Ni: ≤1 ppm
Pb: ≤1 ppm
Sb: ≤1 ppm
Zn: ≤1 ppm
storage temp.
2-30°C
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
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Related Categories
Other Notes
Analysis Note
Identity: passes test
Chloride (Cl): ≤ 2 ppm
Nitrate (NO₃): ≤ 2 ppm
Phosphite and Hypophosphite (as H₃PO₃): ≤ 500 ppm
Fluoride (F): ≤ 0.5 ppm
As (Arsenic): ≤ 1 ppm
Ca (Calcium): ≤ 20 ppm
Cd (Cadmium): ≤ 1 ppm
Co (Cobalt): ≤ 1 ppm
Cu (Copper): ≤ 1 ppm
Fe (Iron): ≤ 10 ppm
K (Potassium): ≤ 5 ppm
Mg (Magnesium): ≤ 1 ppm
Mn (Manganese): ≤ 1 ppm
Na (Sodium): ≤ 50 ppm
Ni (Nickel): ≤ 1 ppm
Pb (Lead): ≤ 1 ppm
Sb (Antimony): ≤ 1 ppm
Zn (Zinc): ≤ 1 ppm
Volatile acids (as CH₃COOH): ≤ 20 ppm
Substances reducing potassium permanganate (as O): ≤ 20 ppm
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Storage Class Code
8A - Combustible, corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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