Millipore Sigma Vibrant Logo

821027 Phthaldialdehyde

Phthaldialdehyde for synthesis. CAS 643-79-8, EC Number 211-402-2, chemical formula C₆H₄-1,2-(CHO)₂.

Phthaldialdehyde MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: OPA

CAS #: 643-79-8 EC Number: 211-402-2 Molar Mass: 134.13 g/mol Chemical Formula: C₆H₄(CHO)₂ Hill Formula: C₈H₆O₂
View Products on Sigmaaldrich.com
821027
View Pricing & Availability

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
643-79-8211-402-2C₈H₆O₂C₆H₄(CHO)₂134.13 g/mol

Pricing & Availability

Catalogue Number AvailabilityPackaging Qty/Pack Price Quantity
8.21027.0010
Retrieving availability...
—
Limited Availability Limited Availability
In Stock 
Discontinued
Limited Quantities Available
Availability to be confirmed
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service

      		 Plastic bottle 10 g
      Retrieving price...
      Price could not be retrieved
      Minimum Quantity is a multiple of
      Maximum Quantity is
      Upon Order Completion More Information
      You Saved ()
       
      —
      Request Pricing
      		 —
      8.21027.0050
      Retrieving availability...
      —
      Limited Availability Limited Availability
      In Stock 
      Discontinued
      Limited Quantities Available
      Availability to be confirmed
        Remaining : Will advise
          Remaining : Will advise
          Will advise
          Contact Customer Service
          Contact Customer Service

          		 Plastic bottle 50 g
          Retrieving price...
          Price could not be retrieved
          Minimum Quantity is a multiple of
          Maximum Quantity is
          Upon Order Completion More Information
          You Saved ()
           
          —
          Request Pricing
          		 —
          Description
          Catalogue Number821027
          SynonymsOPA
          DescriptionPhthaldialdehyde
          References
          Product Information
          CAS number643-79-8
          EC number211-402-2
          Hill FormulaC₈H₆O₂
          Chemical formulaC₆H₄(CHO)₂
          Molar Mass134.13 g/mol
          HS Code2912 29 90
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          ApplicationPhthaldialdehyde for synthesis. CAS 643-79-8, EC Number 211-402-2, chemical formula C₆H₄-1,2-(CHO)₂.
          Biological Information
          Physicochemical Information
          Boiling point83 - 84 °C (1 hPa)
          Density1.13 g/cm3 (20 °C)
          Flash point132 °C
          Ignition temperature480 °C
          Melting Point55 - 56 °C
          pH value7 (53 g/l, H₂O, 20 °C)
          Vapor pressure0.33 Pa (20 °C)
          Bulk density530 kg/m3
          Solubility53 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 178 mg/kg
          LD 50 dermalLD50 Rat > 2000 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Statement(s)H301: Toxic if swallowed.
          H314: Causes severe skin burns and eye damage.
          H317: May cause an allergic skin reaction.
          H335: May cause respiratory irritation.
          H410: Very toxic to aquatic life with long lasting effects.
          Precautionary Statement(s)P260: Do not breathe dust.
          P273: Avoid release to the environment.
          P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
          P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
          P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
          P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
          Signal WordDanger
          RTECSTH6950000
          Storage class6.1A Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
          WGKWGK 3 highly hazardous to water
          Disposal9
          Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
          Safety Information
          Categories of dangertoxic, corrosive, sensitizing, dangerous for the environment
          Product Usage Statements
          Storage and Shipping Information
          StorageStore below +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 2923 , 8 (6.1), II
          Declaration (transport by air) IATA-DGRUN 2923 , 8 (6.1), II
          Declaration (transport by sea) IMDG-CodeUN 2923 , 8 (6.1), II
          Supplemental Information
          Specifications
          Assay (GC, area%)≥ 97.5 % (a/a)
          Melting range (lower value)≥ 52 °C
          Melting range (upper value)≤ 56 °C
          Identity (IR)passes test
          Global Trade Item Number
          Catalogue Number GTIN
          8.21027.0010 04022536472065
          8.21027.0050 04027269983604

          Related Products & Applications

          Categories

          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Aldehydes > Aromatic Aldehydes > Other Aromatic Aldehydes
          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Products for Pharma > Organic Synthesis Building Blocks and Reagents for Pharma > Aldehydes > Aromatic Aldehydes > Other Aromatic Aldehydes
          Reagents, Chemicals and Labware > Organic Synthesis > XXS Products in Small Quantities
          Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Aldehydes > Aromatic Aldehydes > Other Aromatic Aldehydes