Model: 99% 99.5% 99.7
Preventol O Extra,
DOWICIDE 1,
Nipacide OPP;
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.




CAS 132-27-4
Molecular formula C12H9NaO
Synonyms Sodium o-phenylphenate; Dowicide A, Preventol ON Extra Nipacide SOPP; 2-Hydroxybiphenyl sodium salt,
Properties Flakes, Nearly white or light-buff crystals, the product contains water of crystallisation
Packaging 25Kg NET Multiply Paper bags on pallets, shrink wrapped

Use
For the preservation of glues and adhesives, material in the building industry, metalworking fluids, stains, paints, dyes, pigments, polymer dispersions and emulsions, filler suspensions, materials in the textile industry, materials in the paper industry, materials in the oil industry, leather, temporary sapstain control for lumber, and other materials such as polishes, waxes,proteinsolutions,ceramic glazes.
The product is effective against a wide variety of mold and bacteria.

Specification
Assay(potentionmetric titration) : min. 97% as C12H9NaO•4H2O(NA-OPP•4H2O)

Characteristic data
Bulk density(flakes) : approx. 400-450kg/ cm3
pH(2% in water) : approx. 11.1-11.8
Stability range : up to pH 1-14

Solubility(20℃) in :
ethanol 2000 g/l
isopropanol 1500 g/l
water 1200 g/l ( at 25℃)

Storage
Provided the product is correctly stored and kept in the original sealed package,
its shelf life is 2 years. The product may discolour(turn slightly red) when exposed to air,
light,moisture or heat. This does not impair its effectiveness.