Phthalic anhydride, ACS reagent, Thermo Scientific Chemicals

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 85-44-9
• Molecular Formula: C8H4O3
• Molecular Weight (g/mol): 148.12
• MDL Number: MFCD00005918
• InChI Key: LGRFSURHDFAFJT-UHFFFAOYSA-N
• Synonym: phthalic anhydride, isobenzofuran-1,3-dione, 1,3-isobenzofurandione, 1,3-dioxophthalan, 1,3-phthalandione, phthalsaeureanhydrid, phthalic acid anhydride, o-phthalic acid anhydride, phthalandione, retarder esen
• PubChem CID: 6811
• ChEBI: CHEBI:36605
• SMILES: O=C1OC(=O)C2=CC=CC=C12

• Melting Point: 129.0°C to 132.0°C
• Color: White
• Boiling Point: 284.0°C
• Flash Point: 152°C
• Ignition Residue: 0.01% max.
• Infrared Spectrum: Authentic
• Packaging: Glass bottle
• Quantity: 500 g
• Beilstein: 17,469
• Fieser: 01,882; 17,148
• Merck Index: 15,7484
• Solubility Information: Solubility in water: 6g/L (20°C). Other solubilities: soluble in alcohol and carbon disulfide, slightly soluble in ether, 7.5% in benzene (25°C), forms phthalic acid in water
• IUPAC Name: 1,3-dihydro-2-benzofuran-1,3-dione
• Viscosity: 6.4 mPa.s (197°C)
• Formula Weight: 148.12
• Percent Purity: 99.0 to 100.2%
• Grade: ACS Reagent
• Physical Form: Flaky Crystals
• Chemical Name or Material: Phthalic anhydride

Safety and Handling

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 1
• Respiratory sensitiser Category 1
• Skin corrosion/irritation Category 2
• Skin sensitiser Category 1
• Specific target organ toxicity Category 3

Hazard Statement

• H302-Harmful if swallowed.
• H315-Causes skin irritation.
• H317-May cause an allergic skin reaction.
• H318-Causes serious eye damage.
• H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
• H335-May cause respiratory irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P308+P313-IF exposed or concerned: Get medical advice/attention.

RUO – Research Use Only