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optical brightener ER-I
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Optical brightener ER-I

  • Product name: Optical Brightener ER-I
  • Chemical Name: 1,4-Bis(2-cyanostyryl)benzene
  • C.I.:  199
  • CAS: 13001-39-3
  • Molecular Formula: C24H16N2
  • Formula Weight: 332.39700
  • Synonyms: Optical brightener 199, Optical brightener ER, Blankophor ER 330 (Bayer), Ultraphor RN (BASF). Fluorescent brightening agent ER, 1,4-Bis(2-cyano styryl)benzene, 13001-39-3, 2,2′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile, Benzonitrile, 2,2′-(1,4-phenylenedi-2,1-ethenediyl)bis-, 2-[(E)-2-[4-[(E)-2-(2-cyanophenyl)ethenyl]phenyl]ethenyl]benzonitrile, 1,4-Bis(2-cyano styryl)benzene, fluorescent bleaches er
  • Application: Optical Brightener ER-I is mainly used in the whitening of polyester fiber in emulsion form. and also widely used in the whitening of plastics such as PE, PP, and PVC.
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Description

Description

1. Properties of Optical Brightener ER-I

Appearance: Yellowish green powder
Shade/Tone: Reddish
Purity: 99.0%
Melting point: 229-231℃
Volatile ≤0.5%
Ash ≤0.03%
Optical brightener ER is poorly soluble in water, and soluble in alkane, mineral oil, and common organic solvents.

2. Synonyms / Alternative

Optical brightener 199, Optical brightener ER, Blankophor ER 330 (Bayer), Ultraphor RN (BASF). Fluorescent brightening agent ER, 1,4-Bis(2-cyanostyryl)benzene, 13001-39-3, 2,2′-(1,4-Phenylenebis(ethene-2,1-diyl))dibenzonitrile, Benzonitrile, 2,2′-(1,4-phenylenedi-2,1-ethenediyl)bis-, 2-[(E)-2-[4-[(E)-2-(2-cyanophenyl)ethenyl]phenyl]ethenyl]benzonitrile, 1,4-Bis(2-cyano styryl)benzene, fluorescent bleaches er

3. Packing and Storage

25KG fiber drum lined with a double-layer plastic bag.
Stored in a cool, dry, and ventilated place, the storage term should not exceed 2 years.

4. Features

Optical brightener ER-I has a high whitening brightening effect and excellent fastness to sublimation.

5. Common Application and Recommend Dosage
  • Textile industry:
    Used in whitening of polyester fiber in emulsion form.
  • Plastic industry:
    Used in whitening of plastics, such as PE, PP, PVC, etc. Dosage: 0.02-0.03%
6. Transportation and Safty

Avoid inversion, sunlight, moisture, and crash. Avoid damaging the package.
Non Hazardous. Stock as ordinary chemicals. Wear Protective goggles and gloves while using. And avoid direct contact with skin and eyes. Soap clean if the skin is contaminated.

Shandong Grand Chemical Co., Ltd, is a professional manufacturer of optical brighteners in China.
If you have any inquiries, please do not hesitate to contact us via sales@obachemical.com, or WhatsApp: +86 13173009832.