Phthalic Anhydride

2-benzofuran-1,3-dione, Isobenzofuran-1,3-dione, 1,3-Isobenzofurandione, 2-Benzofuran-1,3-dione, 1,3-Dioxophthalan, 1,3-Phthalandione, o-Phthalic acid anhydride, Phthalsaeureanhydrid, Phthalic acid anhydride, Phthalandione

How to detect Phthalic Anhydride

Formula: C8H4O3 | CAS: 85-44-9

Synonyms: 2-benzofuran-1,3-dione, Isobenzofuran-1,3-dione, 1,3-Isobenzofurandione, 2-Benzofuran-1,3-dione, 1,3-Dioxophthalan, 1,3-Phthalandione, o-Phthalic acid anhydride, Phthalsaeureanhydrid, Phthalic acid anhydride, Phthalandione

Specification

Specification Value/Information
Formula C8H4O3
CAS no. 85-44-9
Gas Response Factor, 11.7 eV NA
Gas Response Factor, 10.6 eV 5.0
Gas Response Factor, 10.0 eV NA
ppm per mg/m⁻³, (20 °C, 1 bar) 0.162
Molecular Weight, g/mole 148.1
Melting point, °C 131
Boiling point, °C 285
Specification Value/Information
Flash point, °C 152
Upper Explosive Limit, % 10.5
Lower Explosive Limit, % 1.7
Density, g.cm⁻³ 1.53
Ionisation Energy, eV 10.2
EH40 TWA, mg.m⁻³ 4
EH40 STEL, mg.m⁻³ 12
NIOSH TWA REL, ppm 1
NIOSH TWA REL, mg.m⁻³ 6