Pyromellitic acid

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

DownStream

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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