o-Phthalaldehyde

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

DownStream

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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