Pyromellitic acid

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Names

[ CAS No. ]:
89-05-4

[ Name ]:
Pyromellitic acid

[Synonym ]:
1,2,4,5-benzene tetracarboxylic acid
1,2,4,5-Benzenetetracarboxylic acid
MFCD00002471
UNII:D9UXG2U6ZU
EINECS 201-879-5
Benzene-1,2,4,5-tetracarboxylic acid

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
585.8±50.0 °C at 760 mmHg

[ Melting Point ]:
281-284.5 °C(lit.)

[ Molecular Formula ]:
C10H6O8

[ Molecular Weight ]:
254.150

[ Flash Point ]:
322.1±26.6 °C

[ Exact Mass ]:
254.006271

[ PSA ]:
149.20000

[ LogP ]:
0.44

[ Vapour Pressure ]:
0.0±1.7 mmHg at 25°C

[ Index of Refraction ]:
1.701

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

[ Water Solubility ]:
1.5 g/100 mL (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DB9275000
CHEMICAL NAME :
1,2,4,5-Benzenetetracarboxylic acid
CAS REGISTRY NUMBER :
89-05-4
BEILSTEIN REFERENCE NO. :
1887659
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H6-O8
MOLECULAR WEIGHT :
254.16
WISWESSER LINE NOTATION :
QVR BVQ DVQ EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H319

[ Precautionary Statements ]:
P280-P305 + P351 + P338-P337 + P313

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S37/39-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
DB9275000

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,2,4,5-Tetramethylbenzene
  • 2,4,5-trimethylbenzaldehyde
  • 2,4,5-Trimethylbenzoic Acid
  • Benzene,1,4-bis(chloromethyl)-2,5-dimethyl-
  • 2,3,5,6-tetrahydro-2,6-diethylbenzo[1,2-c:4,5-c']dipyrrole-1,7-dione
  • 2,3,6,7-Tetrahydro-2,6-di-n-butylbenzo[1,2-c:4,5-c']dipyrrole-1,5-dione
  • 2,3,6,7-Tetrahydro-2,6-dimethylbenzo[1,2-c:4,5-c']dipyrrole-1,5-dione
  • 1,2-bis(chloromethyl)-4,5-dimethylbenzene
  • Benzene,1,5-bis(chloromethyl)-2,4-dimethyl-

DownStream

  • pyromellitic diimide
  • PMDA
  • tetramethyl pyromellitate
  • Diphenylmethane
  • Fluorescein
  • 1,2,4,5-tetrakis(trifluoromethyl)benzene
  • 1,2,4,5-Cyclohexanetetracarboxylic Acid
  • 1,3-dioxoisoindole-5,6-dicarbonitrile

Customs

[ HS Code ]: 2917399090

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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Related Compounds

  • Pyromellitic acid diimide
  • Pyromellitic acid anhydride
  • Pyromellitic acid tetramethyl ester
  • pyromellitic acid dianilide para-isomer
  • pyromellitic acid dianilide meta isomer
  • Pyromellitic acid,tetra-3-methylimidazole salt
  • Tert-butyl 4-(2-chloro-6-formylthieno[3,2-d]pyrimidin-4-yl)piperazine-1-carboxylate
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • 2-(2-(Benzylsulfonyl)-1-methylhydrazinyl)acetic acid
  • 3-(3,4-Dichlorophenyl)pyridine
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde