96865

4,4′-Dihydroxybiphenyl

analytical standard

• Synonym(e): 4,4′-Biphenol, 4,4′-Biphenyldiol, 4,4′-Diphenol
• Lineare Formel: HOC₆H₄C₆H₄OH
• CAS-Nummer: 92-88-6
• Molekulargewicht: 186.21
• NACRES: NA.21
• UNSPSC Code: 41116107
• Beilstein/REAXYS Number: 1908886
• MDL number: MFCD00002348

Eigenschaften

• grade: analytical standard
• Quality Segment: 100
• assay: ≥95.0%
• technique(s): HPLC: suitable
• mp: 280-282 °C (lit.)
• format: neat
• storage temp.: 2-30°C
• SMILES string: Oc1ccc(cc1)-c2ccc(O)cc2
• InChI: 1S/C12H10O2/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10/h1-8,13-14H
• InChI key: VCCBEIPGXKNHFW-UHFFFAOYSA-N

Beschreibung

General description

• 4,4′-Dihydroxybiphenyl (p,p′-biphenol; CAS 92-88-6) is an aromatic diol used asa building block in polymers and as an antioxidant; it is reported forpreparing plastics, as an intermediate for polyether liquid crystals, and as anantioxidant in rubber/latex, including light‑colored rubber, food packaging,and medical latex products.
• In the EU, it appears in Annex I (Union list) of Commission Regulation (EU)No 10/2011, meaning it may be intentionally used in plastic food‑contact layerssubject to the Regulation’s restrictions.
• Testing is relevant to verify compliance with the Regulation’s overallmigration limit (10 mg/dm²) and any applicable specific migration limits underworst‑case time/temperature/simulant conditions.

Sicherheitshinweise

• pictograms: GHS02,GHS07
• signalword: Warning
• hcodes: H252,H317,H412
• pcodes: P235 - P261 - P272 - P273 - P280 - P302 + P352
• Hazard Classifications: Aquatic Chronic 3 - Self-heat. 2 - Skin Sens. 1
• Lagerklasse: 4.2 - Pyrophoric and self-heating hazardous materials
• wgk: WGK 2
• flash_point_f: 537.8 °F
• flash_point_c: 281 °C