Phthalic Anhydride, For Industrial

Features

• Highly demanded
• Quick result
• Very effective
• Long shelf life
• Proper packed
• Safe to use

Specification

• Identifiers
• CAS Registry Number 85-44-9
• ChEBI CHEBI:36605
• ChEMBL ChEMBL1371297
• ChemSpider 6552
• InChI[show]
• Jmol-3D images Image
• RTECS number TI3150000
• SMILES[show]
• Properties
• Chemical formula C8H4O3
• Molar mass 148.1 g/mol
• Appearance white flakes
• Odor characteristic, acrid[1]
• Density 1.53 g/cm3, solid; 1.20 g/mL, molten[1]
• Melting point 131.6 °C (268.9 °F; 404.8 K)
• Boiling point 295 °C (563 °F; 568 K) sublimates
• Solubility in water 0.62 g/100g (20—25 °C);
• 19.0 g/100g (100 °C);
• reacts slowly
• Vapor pressure 0.0015 mmHg (20°C)[1]
• Hazards
• R-phrases R22, R37/38, R41, R42/43
• S-phrases (S2), S23, S24/25, S26,S37/39, S46
• NFPA 704 130
• Flash point 152 °C (306 °F; 425 K)
• Explosive limits 1.7%-10.5%
• Lethal dose or concentration (LD, LC):
• LD50 (Median dose) 4020 mg/kg (oral, rat)
• 1520 mg/kg (oral, mouse)
• 800 mg/kg (oral, cat)
• 800-1600 mg/kg (oral, rat)
• 2210 mg/kg (oral, mouse)[2]
• US health exposure limits (NIOSH):
• PEL (Permissible) TWA 12 mg/m3 (2 ppm)[1]
• REL (Recommended) TWA 6 mg/m3 (1 ppm)[1]
• IDLH (Immediate danger 60 mg/m3[1]
• Related compounds
• Related compounds Phthalic acid
• Phthalimide
• Phthalide