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53.60 $
art: ---
Phthalic Anhydride 99% ACS Reagent
  • 25g Phthalic Anhydride 99% ACS Reagent

  • $ 53.60000000
  • 500g Phthalic Anhydride 99% ACS Reagent

  • $ 91.50000000
  • 2.5kg Phthalic Anhydride 99% ACS Reagent

  • $ 239.75000000
 

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Phthalic Anhydride is a colorless to white lustrous solid in the form of needles with a mild distinctive odor. Moderately toxic by inhalation or ingestion and a skin irritant. Melting point 64°F Flash point 305°F. Forms a corrosive solution when mixed with water. Used in the manufacture of materials such as artificial resins. Exposure to phthalic anhydride may occur during its use as a chemical intermediate in the plastics industry. The acute (short-term) effects from exposure to phthalic anhydride in humans consists of irritation to the eyes, respiratory tract, and skin, but no permanent injury is observed. Chronic (long-term) effects observed in workers exposed to phthalic anhydride included conjunctivitis, rhinitis, rhinoconjunctivitis, bronchitis, and irritation of the skin and mucous membranes of the respiratory tract. Animal studies indicate that chronic exposure to phthalic anhydride vapor causes congestion, irritation, and injury to lung cells. No studies are available on the reproductive, developmental, or carcinogenic effects of phthalic anhydride in humans. EPA has not classified phthalic anhydride for carcinogenicity.

Formula
C8H4O3
Molar mass
148.117 g/mol
CAS Number
85-44-9
Density
1.53 g/cm3 at 20°C (68°F)
Purity/Grade
≥99% (ACS Reagent)
Appearence
Solid
Melting point/freezing point
Melting point/range: 131 - 134°C (268 - 273°F) - lit.
Initial boiling point and boiling range
284°C (543°F) - lit.
Flash point
152°C (306°F) - closed cup
Vapour pressure
<0.01hPa (<0.01mmHg) at 20°C (68°F)
Water solubility
16.4 g/l at 20°C (68°F) - soluble
pH
2 at 6 g/l at 20°C (68°F)
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