Sodium 2-biphenylate is a chemical compound. It is the sodium salt of 2-phenylphenol.
Systematic name
Sodium 2-phenylphenolate
Other names, synonyms
Sodium o-phenylphenate; Sodium ortho-phenylphenate; Natriphene; Sodium o-phenylphenoxide; Sodium o-phenylphenol; Sodium phenylphenate; o-Phenylphenol sodium
INCI name
SODIUM O-PHENYLPHENATE
Trade names; preparations
Dowicide A; OPPsodium; MilDuRid; Mystox WFA; Orphenol; Preventol ON; Stopmold B; Topane; Deccosol
Molecular formula and structural formula of Sodium 2-biphenylate:
C12H9NaO
Mr = 192.1928 g/mol
Sodium 2-phenylphenolate
SMILES: C1=CC=C(C=C1)C2=CC=CC=C2[O-].[Na+]
Pure sodium 2-biphenyl exists as a white, often beige, mostly flaky solid.
Calculated NMR spectrum (Predict Spectra via NMRDB)
1H NMR Spektrum, 13C NMR Spektrum.
Mass-related elemental composition and isotope proportions of the compound Sodium 2-biphenylate - C12H9NaO - calculated based on molecular mass.
*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.
The molar mass is M = 192.19276928 grams per mole.
The amount of substance in one kilogram of the substance is n = 5.203 mol.
The amount of substance in one gram of the substance is n = 0.005 mol.
Monoisotopic mass: 192.0551091888 Da - related to 12C121H923Na16O.
INCI Name: SODIUM O-PHENYLPHENATE
Sodium 2-biphenylate is an ingredient in cosmetic products, functioning as an antimicrobial component.
Source: CosIng (Cosmetic Ingredient Database) number: 38006.
Fungicide, especially for surface treatment of citrus fruit peels.
Status der EU-Zulassung: Siehe EU Pestizid-Datenbank ID 1013.
(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.
Signal word: Warning
GHS hazard statements (H phrases):
Labeling in the EU: See ECHA Substance Infocard 100.004.597.
For toxicology and occupational safety when handling Sodium 2-biphenylate as well as measures to be taken in case of danger, see: Hazardous Substances Information System GESTIS, ZVG-Nr. 490162.
Note: The labeling requirement according to the CLP Regulation (EU) does not apply, among other things, to certain substances and mixtures for end users that are in the form of finished products, such as pharmaceuticals, veterinary drugs, cosmetics, certain medical products and medical devices, food or feed, as well as certain Food additives or flavorings. Special legal regulations may need to be adhered to here.
The table below lists producers and suppliers of Sodium 2-biphenylate as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.
Last update: 2026-02-03
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