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Pyromellitic acid hydrate_Molecular_structure_CAS_89-05-4(anhydrous))
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Pyromellitic acid hydrate

Catalog No. 83179 Name Sigma Aldrich
CAS Number 89-05-4(anhydrous) Website http://www.sigmaaldrich.com
M. F. C10H6O8 Telephone 1-800-521-8956
M. W. 254.14984 Fax
Purity ≥99.0% (calc. based on dry substance, T) Email
Storage Chembase ID: 2467

SYNONYMS

Title
均苯四甲酸 水合物
IUPAC name
benzene-1,2,4,5-tetracarboxylic acid
IUPAC Traditional name
pyromellitic acid
Synonyms
Benzene-1,2,4,5-tetracarboxylic acid
1,2,4,5-四羧酸苯

DATABASE IDS

Beilstein Number 1887659
MDL Number MFCD00002471
CAS Number 89-05-4(anhydrous)
EC Number 201-879-5
PubChem SID 24888091

PROPERTIES

abs. absorption0.2M/365 nm, 0.1 M NaOH cut-off
Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) C10H6O8 · xH2O
Impurities insoluble matter, passes filter test
Impurities ~2 mol/mol water
Product Line BioUltra
Purity ≥99.0% (calc. based on dry substance, T)
Solubility 0.1 M NaOH: soluble0.2 M, clear, faintly yellow
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
RTECS DB9275000
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
Other Notes
Eluent in anion chromatography1,2; Complex formation with Mg++ and Ca++,3
Description (简体中文)
Other Notes
阴离子色谱中的洗脱液1,2;与 Mg++ 和 Ca++ 形成络合物3

REFERENCES