ChemicalBook CAS DataBase List 89-05-4

89-05-4

Name	1,2,4,5-Benzenetetracarboxylic acid
CAS	89-05-4
EINECS(EC#)	201-879-5
Molecular Formula	C10H6O8
MDL Number	MFCD00002471
Molecular Weight	254.15
MOL File	89-05-4.mol

Synonyms

1,2,4,5-BENZENETETRACARBOXYLIC ACID 1,2,4,5-TETRACARBOXYBENZENE AKOS AUF2102 BENZENE-1,2,4,5-TETRACARBOXYLIC ACID BENZENE-1,2,4,5-TETRACARBOXYLIC ACID HYDRATE BUFFER SOLUTION, PH 7.7 PMA PYROMELLITIC ACID PYROMELLITIC ACID HYDRATE RARECHEM AL BO 0488 USAF xr-20 usafxr-20 PYROMELLITIC ACID FOR FLUORESCENCE 1,2,4,5-BENZENETETRACARBOXYLIC ACID 96% PYROMELLITICACID,DRYCAKE PYROMELLITIC ACID (1,2,4,5-BENZENETETRACARBOXYLIC ACID) Buffer solution HPCE pH 7.7 Pyromellitic acid electrolyte buffer for anion HPCE, Sodium pyromellitate buffer solution

Chemical Properties

Appearance	White powder
Melting point	281-284.5 °C(lit.)
Boiling point	317.36°C (rough estimate)
density	0,56 g/cm³
refractive index	1.7010 (estimate)
Fp	325 °C
storage temp.	Store below +30°C.
solubility	0.1 M NaOH: 0.2 M, clear, faintly yellow
form	Crystalline Powder
pka	pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C)
color	White to very slightly yellow
Stability:	Stable. Incompatible with strong oxidizing agents, strong bases.
Water Solubility	1.5 g/100 mL (20 ºC)
Usage	Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet
Merck	14,8004
Henry's Law Constant	1.6×10¹³ mol/(m³Pa) at 25℃, Yaws (2003)
InChI	1S/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)
InChIKey	CYIDZMCFTVVTJO-UHFFFAOYSA-N
SMILES	OC(=O)c1cc(C(O)=O)c(cc1C(O)=O)C(O)=O
LogP	0.15 at 25℃
CAS DataBase Reference	89-05-4(CAS DataBase Reference)
NIST Chemistry Reference	1,2,4,5-Benzene-tetracarboxylic acid(89-05-4)
EPA Substance Registry System	89-05-4(EPA Substance)

Safety Data

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319
Precautionary statements	P280-P305+P351+P338-P337+P313
Hazard Codes	Xi
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . S37/39:Wear suitable gloves and eye/face protection . S24/25:Avoid contact with skin and eyes . less more
WGK Germany	3
RTECS	DB9275000
F	34
TSCA	Yes
REACH Registrations	Inactive
HS Code	29173980
Storage Class	11 - Combustible Solids

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