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Home > Products > OBA(Optical Brightener Agent) > OBA For Polyester ER-2 CAS NO.:13001-40-6

OBA For Polyester ER-2 CAS NO.:13001-40-6

OBA For Polyester ER-2 CAS NO.:13001-40-6

Basic Info

Model No.: C.I.199

Product Description

●Excellent or Stable
o Not Recommended
N.W : Natural White

OBA For Polyester

CI No.


Color Shade

Light Fastness

Chlorite Bleach

Peroxide Bleach


Hard Water


Padding(pick up<80%), g/l

95-98 °C (exhaustion)

115-135 °C (exhaustion)

Curing Temp.



Pale yellow









180-200 °C

Product Name: OBA For Polyester ER-2
Product Description:
Synonyms: Optical Brightening Agent ER-; 1,4'-bis(2-cyanostyryl) Benzole; optical brightener 199; C.I.199; Fluorescent Brightener 199; 1,4-BIS(4-CYANOSTYRYL)BENZENE; 4,4'-(p-phenylenediethene-2,1-diyl)bisbenzonitrile; Optical Brightening Agent ER C. I. 199;
Molecular Formula: C24H16N2
EINECS : 235-836-7
CAS NO.: 13001-40-6
Molecular Structure :13001-40-6


Dynasty Chemicals (NingBo) Co., Ltd.


Dynasty Chemicals (Ningbo) Co., Ltd. is a manufacturer and exporter of dyestuffs, pigments and speciality chemicals, auxiliaries for textile, plastics, coating, inks industry. Since our establishment in 1998, we`ve rapidly expanded our market to over 40countries in Asia, Europe, America and Africa over the years. Based on our team of dedicated professionals, well-equipped QC laboratory and continuous R&D investment, we supply high performance, eco-friendly colors and chemicals, as well as good technical service to our customers. Our laboratory is equipped with modern testing devices that provide extensive analysis for most of our customer`s requests. Before delivery all the batches are tested and compared to standard by visual assessment and color measurement devices. We have infrared dyeing machine and Datacolor spectrophotometer. Our cooperation with customers on custom synthesis and color blending are already carried out with several successful cases.

Company Info

  • Company Name: Dynasty Chemicals (NingBo) Co., Ltd.
  • Product/Service: Textile Dyes , Organic Pigments , Polymer Additives , Pigment Dispersion , Solvent Dyes , PVC Stabilizers
  • Capital (Million US $): RMB1.5million
  • Year Established: 1998
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 71% - 80%
  • Total Annual Purchase Volume (Million US $): US$10 Million - US$50 Million
  • No. of Production Lines: 5 lines
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: Ningbo National Chemical Zone, China
  • Contact Person: Mr. Eric Wang
  • Tel: +86-574-56707018
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