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Home/Compounds/CAS 643-79-8
Formula C8H6O2MW 134.13Research-use catalog entryCOA/SDS by request

Phthalaldehyde

CAS Number: 643-79-8

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Available options

Available Options

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1 kg
Purity
98%
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100 g
Purity
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25 g
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Loading RDKit molecule structure...
InChIKey: ZWLUXSQADUDCSB-UHFFFAOYSA-NC8H6O2 | MW 134.13

Chemical Absolute Identifiers

CAS Number

643-79-8

PubChem CID

4807

Molecular Formula

C8H6O2

Molecular Weight

134.13 g/mol

Exact Mass

134.036779

InChIKey

ZWLUXSQADUDCSB-UHFFFAOYSA-N

SMILES String

C1=CC=C(C(=C1)C=O)C=O

Physical Properties

Appearance

Long, pale yellow needles from petroleum ether (MP 56-56.5 °C). Also reported as colorless powder (MP: 54 °C)

Melting Point

55.8 °C

Flash Point

132.0 °C

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Phthalaldehyde (CAS 643-79-8) is listed in the Materials Science portfolio, with molecular formula C8H6O2 and molecular weight 134. 13 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

MOF and COF MaterialsMaterials ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Tyrosyl-DNA phosphodiesterase 1 (Homo sapiens) — 4 assays; Thyroid hormone receptor beta (Homo sapiens) — 2 assays; Geminin (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Tyrosyl-DNA phosphodiesterase 1

Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 1 documents · best pChEMBL 4.4

Experimental evidence source: ChEMBL

Thyroid hormone receptor beta

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 4.4

Experimental evidence source: ChEMBL

Geminin

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents

Experimental evidence source: ChEMBL

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.
  • Avoid contact with skin and eyes.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything by mouth to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Stability and reactivity.
  • Carbon monoxide, carbon dioxide.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional agency with a waste disposal license to handle this substance.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Phthalaldehyde

Names & Synonyms

o-Phthalaldehydeo-Phthaldialdehyde1,2-BenzenedicarboxaldehydePhthalic aldehydeortho-Phthalaldehyde
Show all synonyms
benzene-1,2-dicarbaldehydePhthalic dialdehydePhthalic dicarboxaldehydePhthalyldicarboxaldehydePhthalaldialdehydeortho Phthalaldehydeo-Phthalicdicarboxaldehyde1,2-DiformylbenzenephtharalPhtalaldehydesDisopaOrthophthaldialdehydeortho-Phthalic Aldehydeo Phthalaldehydeo Phthaldialdehyde
External Identifiers
EC NUMBER: 211-402-2DSSTOX SUBSTANCE ID: DTXSID6032514CHEMBL ID: CHEMBL160145CHEBI ID: CHEBI:70851UNII: 4P8QP9768AHMDB ID: HMDB0255866ICSC NUMBER: 1784KEGG ID: D03470METABOLOMICS WORKBENCH ID: 65302WIKIDATA ID: Q5933776
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR Spectra — Sigma-Aldrich Co. LLC.ATR-IR Spectra — Forensic Spectral ResearchFTIR SpectraRaman Spectra — Forensic Spectral ResearchVapor Phase IR Spectra
Literature & Patent References
DOI 10.1021/jf305164mPotent nematicidal activity of phthalaldehyde, salicylaldehyde, and cinnamic aldehyde against Meloidogyne incognita.PMID 23379671Potent nematicidal activity of phthalaldehyde, salicylaldehyde, and cinnamic aldehyde against Meloidogyne incognita.DOI 10.1128/aac.00590-09Role of porins in the susceptibility of Mycobacterium smegmatis and Mycobacterium chelonae to aldehyde-based disinfectants and drugs.PMID 19581465Role of porins in the susceptibility of Mycobacterium smegmatis and Mycobacterium chelonae to aldehyde-based disinfectants and drugs.DOI 10.1021/jm00180a009Synthesis and antineoplastic activity of hydroquinone dialdehydes.PMID 7392029Synthesis and antineoplastic activity of hydroquinone dialdehydes.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Naphthalene-1,4-dicarbaldehydeCAS 38153-01-4
2,3-NaphthalenedicarboxaldehydeCAS 7149-49-7
2-HydroxyisophthalaldehydeCAS 3328-69-6
2-Bromobenzene-1,3-dicarbaldehydeCAS 79839-49-9
2,5-DiphenylterephthalaldehydeCAS 144836-60-2

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 38153-01-4Naphthalene-1,4-dicarbaldehydeCAS 7149-49-72,3-NaphthalenedicarboxaldehydeCAS 3328-69-62-HydroxyisophthalaldehydeCAS 79839-49-92-Bromobenzene-1,3-dicarbaldehydeCAS 144836-60-22,5-DiphenylterephthalaldehydeCAS 10083-24-6PiceatannolCAS 24169-02-6Econazole NitrateCAS 57808-65-8ClosantelCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acid

RFQ questions for CAS 643-79-8

What are the key identifiers for Phthalaldehyde (CAS 643-79-8)?

Phthalaldehyde is identified by CAS 643-79-8, with molecular formula C8H6O2, molecular weight 134.13, InChIKey ZWLUXSQADUDCSB-UHFFFAOYSA-N.

Does CAS 643-79-8 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Tyrosyl-DNA phosphodiesterase 1, Thyroid hormone receptor beta, Geminin. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 643-79-8?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Phthalaldehyde?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 643-79-8 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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