PX0996

o-Phosphoric Acid 85% HPLC

Meets ACS Specifications

• Synonym(s): Phosphoric acid, Orthophosphoric Acid, Orthophosphoric acid
• Linear Formula: H₃PO₄
• CAS Number: 7664-38-2
• Molecular Weight: 98.00
• Beilstein: 1921286
• MDL number: MFCD00011340
• UNSPSC Code: 12352301

Properties

• vapor density: 3.4 (vs air)
• Quality Level: 200
• vapor pressure: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• form: viscous liquid
• concentration: 85% phosphoric acid
• impurities: ≤0.001% Heavy metals (as Pb); ≤0.001% Insoluble matter; ≤0.001% Sulfate (SO₄); ≤0.001% Volatile acids (as acetic acid); ≤0.002% Antimony (Sb); ≤0.002% Calcium (Ca); ≤0.002% Magnesium (Mg); ≤0.003% Iron (Fe); ≤0.005% Potassium (K); ≤0.025% Sodium (Na); ≤0.5 ppm Arsenic (As); ≤0.5 ppm Manganese (Mn); ≤3 ppm Chloride (Cl); ≤5 ppm Nitrate (NO₃)
• color: APHA: ≤10
• pH: <0.5 (20 °C, 100 g/L in H₂O)
• bp: 158 °C (lit.)
• mp: ~40 °C (lit.)
• density: 1.685 g/mL at 25 °C (lit.)
• UV absorption: λ: 220 nm A_max: ≤0.05; λ: 254 nm A_max: ≤0.04; λ: 300 nm A_max: ≤0.02
• shipped in: ambient
• storage temp.: room temp
• 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

Application

Meets ACS Specifications

PX0996-6 is packaged in poly coated glass bottles

Other Notes

Concentrated phosphoric acid is approx. 85% H₃PO₄ (aqueous).

Analysis Note

Antimony (Sb)0.002% maxArsenic (As)0.5ppm maxAssay85.0% minCalcium (Ca)0.002% maxChloride (Cl)3ppm maxColor (APHA)10 maxFormClear syrupy liquidHeavy metals (as Pb)0.001% maxInsoluble matter0.001% maxIron (Fe)0.003% maxMagnesium (Mg)0.002% maxManganese (Mn)0.5ppm maxNitrate (NO3)5ppm maxPhosphorous or hypophosphorous acidTo pass testPotassium (K)0.005% maxReducing substancesTo pass testSodium (Na)0.025% maxSulfate (SO4)0.001% maxUV Absorbance at 220 nm (1M, 1cm, water)0.05AU maxUV Absorbance at 254 nm (1M, 1cm, water)0.04AU maxUV Absorbance at 300 nm (1M, 1cm, water)0.02AU maxVolatile acids (as acetic acid)0.001% max

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290 - H302 - H314
• Precautionary Statements: P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• Storage Class Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): does not flash
• Flash Point(C): does not flash