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Orthophosphoric acid ≥85% MB

Supplier: KMG
Synonyms: Phosphoric acid

Phosphoric Acid is primarily used in a boiling hot reflux application to strip nitride thin films from the front and back of silicon wafers.

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) 85.00-87.00%
Color 10 APHA
Insoluable Matter 20000 ppb
Volatile Acids 0.016 μeq/g
Chloride (Cl) 700 ppb
Nitrate (NO3) 1500 ppb
Sulfate (SO4) 8000 ppb
Aluminum (Al) 400 ppb
Antimony (Sb) 6000 ppb
Arsenic (As) 100 ppb
Calcium (Ca) 700 ppb
Chromium (Cr) 400 ppb
Cobalt (Co) 100 ppb
Copper (Cu) 100 ppb
Iron (Fe) 1000 ppb
Lead (Pb) 100 ppb
Calcium (Ca) 700 ppb
Magnesium (Mg) 100 ppb
Manganese (Mn) 100 ppb
Nickel (Ni) 250 ppb
Potassium (K) 200 ppb
Sodium (Na) 500 ppb
Strontium (Sr) 200 ppb
0.5μ Particle Count 150 par/ml
1.0μ Particle Count 25 par/ml



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Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
1 gal. Poly Bottle 64081 71009-376 Case of 4 (57 lb) Retrieving Restricted
Each(57lb) Retrieving Restricted

Temperature sensitive This Item is temperature-controlled and may have specific temperature and storage requirements for shipping/delivery.

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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:

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  • 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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