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Phthalic anhydride, ACS reagent

Product Code. 10780292 Shop All Thermo Scientific Chemicals Products
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Product Code. 10780292 Supplier Thermo Scientific Acros Supplier No. 423325000
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Description

CAS: 85-44-9 | C8H4O3 | 148.12 g/mol

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.

TRUSTED_SUSTAINABILITY

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

Specifications

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
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Safety and Handling

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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.
SDS

RUO – Research Use Only

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