Phenolphthalein

• Catalog No.: 16019
• CAS Number: 77-09-8
• M. F.: C20H14O4
• M. W.: 318.32276
• Purity: 98-101% (calc. to the dried substance)

SYNONYMS

• IUPAC name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
• IUPAC Traditional name: purga
• Synonyms: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-双(4-羟基苯基)-1(3H)-异苯并呋喃酮

DATABASE IDS

• Color Index Number: 764
• Beilstein Number: 284423
• EC Number: 201-004-7
• PubChem SID: 24849859
• MDL Number: MFCD00005913
• CAS Number: 77-09-8

PROPERTIES

• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P201-P281-P308 + P313
• Risk Statements: 45-62-68
• RTECS: SM8380000
• Safety Statements: 53-45
• German water hazard class: 3
• GHS Signal Word: Danger
• GHS Hazard statements: H341-H350-H361
• European Hazard Symbols: Toxic (T)
• Antion Traces: chloride (Cl-): ≤100 mg/kg
• Antion Traces: sulfate (SO42-): ≤200 mg/kg
• Empirical Formula (Hill Notation): C20H14O4
• Grade: puriss.
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: acidic and alkalic reac. substances, in accordance
• Impurities: related subst., in accordance
• Impurities: residual solvents, complies
• Impurities: ≤0.001% heavy metals (as Pb)
• Loss on Drying: ≤0.5% loss on drying, 105 °C
• Purity: 98-101% (calc. to the dried substance)
• Quality: meets analytical specification of Ph Eur., BP
• Suitability: in accordance for appearance of solution
• Melting Point: 261-263 °C(lit.)
• Solubility: acetone: soluble