factory low price pure optical brightener OB （cas:7128-64-5)

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factory low price pure optical brightener OB （cas:7128-64-5)

OB, CI 184, CAS: 7128-64-5

• OB (FBA 184)

  CAS NO.: 7128-64-5 Appearance: Light yellow or milk white powder Purity: 99%Min Melting point: 201-205°C Solubility: Hardly soluble in water, but soluble in paraffin, mineral oils and ordinary  organic solvents. Usage: A good whitening agent for PVC, PS, PE, PP, ABS, ther-moplastic plastics, Acetate fiber, paint, coating and printing ink, etc.molded article,clear lacquers,pigmented lacquers,synthetic leather.    Suitable for transparent plastic products,low toxicity, envoironmental protection requirment ,natural color,pure,pure color and light,moderate price,is the only whitening agent products that meets the national standard.   Features excellent resistance to heat,exceptional whitening properties,good properties,good light fastness and low volatility.

• Melting point	199-201 °C(lit.)
  density	1.26
  refractive index	1.6360 (estimate)
  Fp	>350°C
  solubility	toluene: soluble50mg/mL
  Water Solubility	Soluble in acetone and toluene. Insoluble in water.
  λmax	373nm(EtOH)(lit.)
  Merck	14,1014
  BRN	631803
  Stability:	Stable. Incompatible with strong oxidizing agents.
  InChIKey	AIXZBGVLNVRQSS-UHFFFAOYSA-N
  CAS DataBase Reference	7128-64-5(CAS DataBase Reference)
  NIST Chemistry Reference	Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-(7128-64-5)
  EPA Substance Registry System	Benzoxazole, 2,2'-(2,5-thiophenediyl) bis[5-(1,1-dimethylethyl)- (7128-64-5)

• Packaging & Shipping

   

  Packaging details:(1)25kg  cartom/paper drums/plastic drums/iron ;25kg  palstic woven Bag.

                                    (2)As per customer's requirement.

  Shipping: Within 15days after the order confirmation.