α-Naphtholphthalein

Purity: indicator

Synonym(s): 1-Naphtholphthalein; 3, 3-Bis(4-hydroxy-1-naphthyl)phthalide

Formula: C28H18O4 Molecular Weight: 418.44

CAS Number: 596-01-0 Beilstein Number: 97816 EC Number: 209-875-5 MDL Number: MFCD00036202 PubChem CID: 68993

Properties

Shelf life: 720 days

Solubility:

Sensitivity:

Boiling point:

Melting point: 253-255°C

InChl: InChI=1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16, 29-30H

Safety Information

Pictograms: GHS07

Signal Word: Warning

Hazard Statements: H315; H319; H335

Precautionary Statements: P261; P305+P351+P338; P280; P302+P352; P321; P405; P501; P264; P271; P304+P340; P403+P233; P362+P364; P264+P265; P337+P317; P332+P317; P319

WGK: 3

Storage:

Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves