o-hydroxydiphenyl 99.9%MIN.

CAS 90-43-7
Molecular formula C6H5H4OH; C12H10O
Synonyms o-phenylphenol, o-hydroxydiphenyl; DOWICIDE 1, Preventol O Extra, Nipacide OPP; 2-hydroxybiphenyl, biphenyl-2-ol,
Properties Flakes, Nearly white or light-buff crystals
Odour/Smell OPP produced from Cyclohexanone has no featured odour or smell. crystalline mass with slight phenolic odour
Packaging 25Kg NET Multiwall bags on pallets, shrink wrapped

Use
For the preservation of aqueous products such as glues and adhesive, thickener solutions, concrete
additives, filer suspensions, pigment slurries.
As a preservative for the leather industry.
For the preservation of textile auxiliaries.
For the preservation of whole citrus fruit.
As an active ingredient for disinfectants.
For the manufacture of plastics additives such as heat stabilisers.

Specification Assay (GC): min. 99.9%
Melting point: min. 56
Moistuer: max. 0. 1%

Characteristic data
Density (20): approx. 1. 24g/cm3
Bulk density (flakes): approx. 650kg/ cm3
Vapour pressure (20, calc.): approx. 0. 0007 mbar
(100, calc.): approx. 1 mbar
Boiling point (1013 mbar): approx. 287
Flash point: approx. 138 (DIN 51758)
pH (0. 01% in water): approx. 7
Stability range: pH 1-14

Solubility (20) in:
water 0. 5-0. 6 g/l
ethanol 5900 g/l
isopropanol 3300 g/l
10% NaOH 500 g/l

Storage
Provided the product is correctly stored and kept in the original sealed package, the shelf life is 2 years. The product may change its colour slightly exposed to air, but this does not affect its effectiveness.