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Specifications CAS Number: 109-99-9Empirical Formula (Hill Notation): C4H8OMolecular Weight: 72.11Beilstein Registry Number: 102391EC Number: 203-726-88MDL Number: MFCD00005356Application Suitable for HPLC, spectrophotometry, environmental testingPackaging 1, 6×1, 2, 4, 4×4 L in glass bottle; 20 L in Nowpak™; 100, 12×100 mL in glass bottle; 200 L in Pure-Pac™ 1Vapor Density: 2.5 (vs air)Vapor Pressure: 114 mmHg ( 15 °C); 143 mmHg ( 20 °C)Assay: =99.9%Autoignition Temp.: 610 °FExpl. Lim.: 11.8 %Impurities: =0.0005% non-volatile matter; =0.002% free acid (as CH3COOH); =0.05% peroxides (as H2O2); =0.05% water (Karl Fischer)Evapn. Residue: =0.0005%Color: APHA: =10Refractive Index: n20/D 1.407(lit.)BP: 65-67 °C(lit.)MP: -108 °C(lit.)Density: 0.889 g/mL at 25 °C(lit.)Absorption: absorption/212 nm =1.0; absorption/245 nm =0.26; absorption/250 nm =0.18; absorption/275 nm =0.046; absorption/300 nm =0.02; absorption/315 nm =0.0044; absorption/350 nm =0.005; absorption/400 nm =0.005UV Absorption: ?: 245 nm Amax: =0.26; ?: 275 nm Amax: =0.046; ?: 315 µm Amax: =0.0044Suitability: complies for IR spectroscopy
