Sodium tetraphenylborate
Cas no.:143-66-8
Chemical formula:C24h20bna
Molecular weight:342.2
AppearanceWhite crystal.
Assay99.0% min
Loss on drying-_0.5·±
Clarity of solutionConformed. Colorless and clear.
UsesAnalytical reagent for ammonium, potassium, rubidium, and cesium ions.
Package25kg/ fiber drum
StorageKeep away from light.
Cyanamide
Cas no.:420-04-2
Chemical formula:Ch2n2
Molecular weight:42
Specifications
ItemSpecification
AppearanceClear colorless liquid
Assay50.0% min
Dicyandiamide0.5·± max
Stablizer2.0·± max
Ph4.5-5.4
UsesIntermediate for pharmaceuticals, pesticides, food additives, health products, plant hormone and etc.
Package200kg/plastic drum
Benzoyl peroxide
Cas no.:94-36-0
Chemical formula:c14h10o4
Molecular weight:242.22
Specifications
Itemspecification
Appearancewhite granule/powder
Peroxide content75.00-78.00%
Peroxide content on dry basis99.0%min
Water21.00-25.00%
Free chloride0.1%max
Free acid0.5%max
Melting point103-106pc
Theoretical active oxygen6.62%
Activity energy125.6kj/mol
Decomposition temperature133pc(1++++)+72pc(10--¬)
20kg/paper carton.
Diluted benzoyl peroxide
Cas no.:94-36-0structural formula:
Chemical formula:c14h10o4
Molecular weight:242.22
Specifications
Item specification is pecification ii
Content(c6h5co)2o228 + 132+1
Water_2.0_4.0
Fineness(series r40/3, ¢200*50/0.075mm test sieve, residue on sieve)_10
Hydrochloric acidtest conformed
Ammonium salttest conformed
Barium salttest conformed
Ph(10aqueous solution)6-9
Heavy metal(as pb)_0.004
Arsenic(as as)_0.0003
Usesbe used to bleach wheat flour.
Be stored in cool, dry and ventilated warehouse, free from heat, sunlight, can't be stored together with toxic or harmful goods.
20kg/25kg/paper carton.
Diamond tools
Electroplated diamond cutting discs
Flange 70mmx22.23mm for using on cutting discs 150mm, 180mm, 230mm
Flange 50mmx22.23mm, m14 threading for using on cutting discs 100mm, 115mm, 125mm
