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Orthophosphoric acid ≥85%, CMOS™ for the electronics industry, J.T. Baker®

Synonyms: Phosphoric acid


Formula: H₃PO₄
MW: 98 g/mol
Melting Pt: 28 °C
Density: 1,71 to 1.87 g/cm³ (25 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011340
CAS Number: 7664-38-2
EINECS: 231-633-2
UN: 1805
Specification Test Results
Assay (H₃PO₄) (by acidimetry) 85.0 - 87.0 %
Color (APHA) <= 10
Color after Heating Passes Test
Specific Gravity at 60°/60°F 1.691 - 1.710
Reducing Substances Passes Test
Volatile Acids (µeq/g) <= 0.16
Chloride (Cl) <= 1 ppm
Nitrate (NO₃) <= 2 ppm
Sulfate (SO₄) <= 12 ppm
Trace Impurities - Aluminum (Al) <= 0.5 ppm
Trace Impurities - Antimony (Sb) <= 10 ppm
Trace Impurities - Arsenic (As) <= 0.05 ppm
Trace Impurities - Calcium (Ca) <= 1.5 ppm
Trace Impurities - Chromium (Cr) <= 0.2 ppm
Trace Impurities - Cobalt (Co) <= 0.05 ppm
Trace Impurities - Copper (Cu) <= 0.05 ppm
Trace Impurities - Gold (Au) <= 0.3 ppm
ACS - Heavy Metals (as Pb) <= 5 ppm
Trace Impurities - Iron (Fe) <= 2 ppm
Trace Impurities - Lead (Pb) <= 0.3 ppm
Trace Impurities - Lithium (Li) <= 0.1 ppm
Trace Impurities - Magnesium (Mg) <= 0.200 ppm
Trace Impurities - Manganese (Mn) <= 0.1 ppm
Trace Impurities - Nickel (Ni) <= 0.2 ppm
Trace Impurities - Potassium (K) <= 1.5 ppm
Trace Impurities - Sodium (Na) <= 2.5 ppm
Trace Impurities - Strontium (Sr) <= 0.1 ppm
Trace Impurities - Titanium (Ti) <= 0.3 ppm
Trace Impurities - Zinc (Zn) <= 2 ppm
Particle Count - 1.0 µm and greater <= 10 par/ml



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Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
14 lbs. poly bottle 0264-05 JT0264-5 Case of 4 (6,350 ,g) Retrieving Restricted
Each(6,350,g) Retrieving Restricted
restricted In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

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