o-Phthalaldehyde

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Names

[ CAS No. ]:
643-79-8

[ Name ]:
o-Phthalaldehyde

[Synonym ]:
EINECS 211-402-2
MFCD00003335
o-Phthalaldehyde

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
266.1±23.0 °C at 760 mmHg

[ Melting Point ]:
55-58 °C(lit.)

[ Molecular Formula ]:
C8H6O2

[ Molecular Weight ]:
134.132

[ Flash Point ]:
98.5±19.6 °C

[ Exact Mass ]:
134.036774

[ PSA ]:
34.14000

[ LogP ]:
0.51

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.623

[ Storage condition ]:
2-8°C

[ Stability ]:
Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.

[ Water Solubility ]:
soluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TH6950000
CHEMICAL NAME :
Phthalaldehyde
CAS REGISTRY NUMBER :
643-79-8
BEILSTEIN REFERENCE NO. :
0878317
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C8-H6-O2
MOLECULAR WEIGHT :
134.14
WISWESSER LINE NOTATION :
VHR BVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
7 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 246,851,1958 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4335 No. of Facilities: 178 (estimated) No. of Industries: 3 No. of Occupations: 5 No. of Employees: 3253 (estimated) No. of Female Employees: 2222 (estimated)

Safety Information

[ Symbol ]:

GHS05, GHS06, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301-H314-H317-H400

[ Precautionary Statements ]:
P273-P280-P301 + P310-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
T:Toxic

[ Risk Phrases ]:
R25;R34;R43

[ Safety Phrases ]:
S26-S28-S36-S45-S36/37/39-S61

[ RIDADR ]:
UN2923 8/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
TH6950000

[ HS Code ]:
2912299000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,2-bis-diacetoxymethyl-benzene
  • Naphthalene
  • Phthalane
  • 1,2-Phenylenedimethanol
  • 1,3-DIMETHOXY-1,3-DIHYDRO-2-BENZOFURAN
  • o-xylene
  • N-Hydroxyphthalimide
  • nitric oxide
  • 1,3-DIHYDROISOBENZOFURAN-1-OL
  • 1,2-Bis(dibromomethyl)benzene

DownStream

  • phenyl 1-cyano-1H-phthalazine-2-carboxylate
  • 1H-Isoindol-1-one,2,3-dihydro-2-phenyl-
  • (Hydroxy-3-dihydro-1,3-isobenzofuranyl-1)-3-phenyl-2-isoindoline-one-1
  • Phthalane
  • 2-(3-oxo-1H-isoindol-2-yl)benzoic acid
  • dodecene
  • 2-decylnaphthalene
  • 2-decyl-naphthol
  • [2-(thiophene-2-carbonyl)phenyl]-thiophen-2-ylmethanone

Customs

[ HS Code ]: 2912299000

[ Summary ]:
2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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Related Compounds

  • o-Phthalaldehyde-d6
  • 5-methoxy-o-phthalaldehyde
  • 4,5-dimethyl-o-phthalaldehyde
  • o-phthalaldehyde dimethoxyacetal
  • o-phthalaldehyde-bis-(2-mercaptoanil)
  • o-Nitrobenzyl-5 tetrahydro-5,6,7,7a 4H-thieno(3,2-c)pyridinone-2 oxala te [French]
  • Dimethyl (6-methylbenzo[d]oxazol-2-yl)carbonimidodithioate
  • 5-Fluoro-3-isothiocyanatoisoquinoline
  • 6-(4-methyl-1H-imidazol-1-yl)pyrimidin-4-amine
  • 3-Isothiocyanato-6,7-dimethylisoquinoline
  • 8-Bromo-5-fluoro-3-isothiocyanatoisoquinoline
  • 3-Isothiocyanato-6,7-dimethoxyisoquinoline
  • Dimethyl (6-(1H-imidazol-1-yl)pyrimidin-4-yl)carbonimidodithioate
  • N-(3,5-dichloropyridin-2-ylcarbamothioyl)benzamide
  • Carbonimidodithioic acid,n-(6-chlorothiazolo[4,5-b]pyridin-2-yl)-,dimethyl ester
  • Dimethyl (6-(4-methyl-1H-imidazol-1-yl)pyrimidin-4-yl)carbonimidodithioate
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