H1529

8-Hydroxypyrene-1,3,6-trisulfonic acid trisodium salt

≥96%

• Synonym(s): HPTS, Pyranine, Solvent Green 7, Trisodium 8-hydroxypyrene-1,3,6-trisulfonate
• Empirical Formula (Hill Notation): C₁₆H₇Na₃O₁₀S₃
• CAS Number: 6358-69-6
• Molecular Weight: 524.39
• Beilstein/REAXYS Number: 4107272
• EC Number: 228-783-6
• MDL number: MFCD00037575
• UNSPSC Code: 12352100
• PubChem Substance ID: 57654236
• NACRES: NA.22

Properties

• description: Handling storage condition: Sightly light sensitive
• assay: ≥96%
• mp: >300 °C (lit.)
• fluorescence: λ_ex 454 nm; λ_em 511 nm (pH 9.1); λ_ex 454 nm; λ_em 520 nm in H₂O
• SMILES string: [Na+].[Na+].[Na+].Oc1cc(c2ccc3c(cc(c4ccc1c2c34)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C16H10O10S3.3Na/c17-11-5-12(27(18,19)20)8-3-4-10-14(29(24,25)26)6-13(28(21,22)23)9-2-1-7(11)15(8)16(9)10;;;/h1-6,17H,(H,18,19,20)(H,21,22,23)(H,24,25,26);;;/q;3*+1/p-3
• InChI key: KXXXUIKPSVVSAW-UHFFFAOYSA-K

Description

Application

8-Hydroxypyrene-1,3,6-trisulfonic acid trisodium salt (HPTS) can be used to prepare:

• Extruded fluorescent plastic indicator film for the detection of gaseous and dissolved CO₂.
• Highly fluorescent waterborne polyurethane (WPU) matrix which is used as a pH sensing indicator.
• Positive (p-type) semiconducting polymeric gels via free radical cross-linking co-polymerization.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 481.3 °F
• flash_point_c: 249.6 °C
• ppe: dust mask type N95 (US), Eyeshields, Gloves