Acetic anhydride, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., =99% (GC)

Anion Traces: phosphate (PO₄^3-): ≤10 mg/kg

Assay: ≥99% (GC)

Autoignition Temp.: 629°F

BP: 138-140°C(lit.)

Cation Traces: Mn: ≤0.02 mg/kg

Density: 1.08 g/mL(lit.)

Expl. Lim.: 10.3 %

Grade: puriss. p.a.

Impurities: ≤0.01% KMnO₄ red. matter (as O)

MP: −73°C(lit.)

Refractive Index: n20/D 1.390(lit.)

Suitability: passes test for reaction against H₂SO₄

Vapor Density: 3.5 (vs air)

Vapor Pressure: 10 mmHg ( 36°C)