o-Phthalaldehyde

Modify Date: 2025-08-20 15:14:55

o-Phthalaldehyde Structure
o-Phthalaldehyde structure
 Common Name o-Phthalaldehyde
CAS Number 643-79-8 Molecular Weight 134.132
Density 1.2±0.1 g/cm3 Boiling Point 266.1±23.0 °C at 760 mmHg
Molecular Formula C8H6O2 Melting Point 55-58 °C(lit.)
MSDS Chinese USA Flash Point 98.5±19.6 °C
Symbol GHS05 GHS06 GHS09
GHS05, GHS06, GHS09		 Signal Word Danger

 Names

Name phthalaldehyde
Synonym More Synonyms

 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
InChIKey ZWLUXSQADUDCSB-UHFFFAOYSA-N
SMILES O=Cc1ccccc1C=O
Storage condition 2-8°C
Stability Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.
Water Solubility soluble

 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
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

 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%

 Articles129

More Articles
Glutamatergic receptor dysfunction in spinal cord contributes to the exaggerated exercise pressor reflex in heart failure.

Am. J. Physiol. Heart Circ. Physiol. 308(5) , H447-55, (2015)

Excitatory amino acids (e.g., glutamate) released by contraction-activated skeletal muscle afferents into the dorsal horn of the spinal cord initiate the central component of the exercise pressor refl...

Cardiovascular disease-related parameters and oxidative stress in SHROB rats, a model for metabolic syndrome.

PLoS ONE 9(8) , e104637, (2014)

SHROB rats have been suggested as a model for metabolic syndrome (MetS) as a situation prior to the onset of CVD or type-2 diabetes, but information on descriptive biochemical parameters for this mode...

Unique Features of Human Protein Arginine Methyltransferase 9 (PRMT9) and Its Substrate RNA Splicing Factor SF3B2.

J. Biol. Chem. 290 , 16723-43, (2015)

Human protein arginine methyltransferase (PRMT) 9 symmetrically dimethylates arginine residues on splicing factor SF3B2 (SAP145) and has been functionally linked to the regulation of alternative splic...

 Synonyms

EINECS 211-402-2
MFCD00003335
o-Phthalaldehyde
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Chemsrc provides o-Phthalaldehyde(CAS#:643-79-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of o-Phthalaldehyde are included as well.>> amp version: o-Phthalaldehyde

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