96865
4,4′-Dihydroxybiphenyl
analytical standard
Synonym(s):
4,4′-Biphenol, 4,4′-Biphenyldiol, 4,4′-Diphenol
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About This Item
Linear Formula:
HOC6H4C6H4OH
CAS Number:
Molecular Weight:
186.21
NACRES:
NA.21
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
1908886
MDL number:
grade
analytical standard
Quality Level
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
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.
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Warning
hcodes
Hazard Classifications
Aquatic Chronic 3 - Self-heat. 2 - Skin Sens. 1
Storage Class
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 2
flash_point_f
537.8 °F
flash_point_c
281 °C
Regulatory Information
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