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.99.5%

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.