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optical brightener YCOB MDAC

Inquiry
  Post Date: Feb 23,2017
  Expiry Date: Feb 23,2018
  Detailed Description: Cas No. :91-44-1 PRODUCT NAME: 7-diethylamino-4-methylcoumarin

Other name:

2H-1-Benzophyran-2-one, 7-(diethylamino)-4-methyl-,sulfate
Fluorescent brightening agent 52

C.I. Number:
Specification:
Properties Specifications:
APPEARANCE off-white powder
MELTING POINT 69.5~71.0°C
PURITY: 98% min
ASH 0.1% max
VOLATILE MATTER 0.5% max
MESH SIZE passing 100 mesh
E1 value 1000+/-20
Properties :

1. multipurpose brightener with excellent whiteness, solube in ethanol but insoluble in water.
2. having properties of good solubility and compatibility
Application: Mainly be used as brightener of H-pvc, S-pvc, wool natural silk, polyamide fiber and acrylic fiber. Also can be used for detergent. This product is a common laser dyestuff.

Package and Storage: It is packed in 20Kgs paper board bucket It can be packed according to the requirement of the user.

  CAS Registry Number:

91-44-1
  Synonyms: ;Coumarin 1~4-Methyl-7-diethylaminocoumarin;4-Methyl-7-diethylamino coumarine;Fluorescent Brightener SWN;4-methyl-7-diethylamino Coumarin;
  Molecular Formula: C14H17NO2
  Molecular Weight: 231.29
  Molecular Structure: 91-44-1 7-Diethylamino-4-methylcoumarin
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R20/21:;
R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Yongchang Polymer Additives Co ltd     [ China ]        
  Contact: Mickel
  Tel: +86-20-61876219
  Fax:
  Email: info@chinapolymeradditives.cn
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