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CAS No 643-79-8 , phthalaldehyde

  • Name: phthalaldehyde
  • Synonyms: 1,2-Benzenedicarboxaldehyde; Phthalic aldehyde; 643-79-8; Phthalic dialdehyde;o-Phthaldialdehyde; Phthaldialdehyde; PHTHALALDEHYDE;phthalaldehyde;
  • CAS Registry Number:
  • Transport: 175
  • Melting Point: 54-57 ºC
  • Flash Point: 132 ºC
  • Boiling Point: 83-84 ºC (0.7501 MMHG)
  • Density: 1.13
  • Refractive index: 1.622?
  • Safety Statements: R25;R34;R43
  • Hazard Symbols: T: Toxic;
  • HS Code: 29122900
  • Flash Point: 132 ºC
  • EINECS: 211-402-2
  • Molecular Weight: 134.13204
  • InchiKey: ZWLUXSQADUDCSB-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H
  • Risk Statements: S26;S36/37/39;S45
  • Molecular Formula: C8H6O2
  • Molecular Structure:CAS No:643-79-8 phthalaldehyde

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References of phthalaldehyde
Title: o-Phthalaldehyde
CAS Registry Number: 643-79-8
CAS Name: 1,2-Benzenedicarboxaldehyde
Synonyms: o-phthaldialdehyde
Trademarks: Cidex OPA (J & J)
Molecular Formula: C8H6O2
Molecular Weight: 134.13
Percent Composition: C 71.64%, H 4.51%, O 23.86%
Literature References: Alternative to glutaraldehyde, q.v. for high-level disinfenction. Prepn: A. Colson, H. Gautier, Bull. Soc. Chim. 45, 509 (1886); J. Thiele, O. Günther, Ann. 347, 106 (1906); T. C. Chaudhuri, J. Am. Chem. Soc. 64, 315 (1942). Polarographic determn: N. H. Furman, D. R. Norton, Anal. Chem. 26, 1111 (1954). Use in fluorogenic determn of peptides: M. Roth, ibid. 43, 880 (1971); T. M. Joys, H. Kim, Anal. Biochem. 94, 371 (1979); of biological thiols: K. Mopper, D. Delmas, Anal. Chem. 56, 2557 (1984). Biocidal properties: S. E. Walsh et al., J. Appl. Microbiol. 86, 1039 (1999). Mechanism of antibacterial action: idem et al., ibid. 87, 702 (1999). Bactericidal efficacy study: J. C. N. Shackelford et al., J. Antimicrob. Chemother. 57, 335 (2006). Hospital disinfection of endoscopes: S. M. Hession, Gastroenterol. Nurs. 26, 110 (2003). Review of reactivity with nucleophiles: P. Zuman, Chem. Rev. 104, 3217-3238 (2004).
Properties: Long, pale yellow needles from petroleum ether mp 56-56.5° (Thiele, Günther). Also reported as colorless powder, mp 54° (Chaudhuri).
Melting point: mp 56-56.5° (Thiele, Günther); mp 54°
Use: Disinfectant. Reagent in fluorometric determn of primary amines and thiols.