Home > Offer to Sell > Adhesives_and_Sealants > indigo

indigo

Inquiry
  Post Date: Apr 08,2015
  Expiry Date: Oct 05,2015
  Detailed Description: Cas No. :482-89-3 An Introduction of the indigo blue
Indigo Blue:coloring matler index C.1 revert blue (73000)
Strutural formula:



Molecular formula: C16H10N2O2

Relative molecular weight:262.27(according to the International molecular weight of 1983)
Nature:the appearance is dark blue even grains.It dissolves in hot anilin,but not in water.It turns yellow green when meeting the oil of vitriol.It is yellow in alkaline rongalite revert liquid and white in acidic liquid.
Use:It is mainly used to dye cotton fibre .The pop "cowboy" clothes mostly are made by indigo blue dying longitudinal yarn and white yarn interweaving;It can be used with sulfurated coloring matter;Also we can get indigo white,bromized indigo blue from it,they are well used in food coloring matter,biochemistry etc.

  CAS Registry Number:

482-89-3

  Synonyms: ;C.I. 73000;C.I. Vat Blue 1;2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one;2,2'-Bis(2,3-dihydro-3-oxoindolylidene);Indigo blue;Vat Blue 1;2,2'-biindole-3,3'(1H,1'H)-dione;
  Molecular Formula: C16H10N2O2
  Molecular Weight: 262.2628
  Molecular Structure: 482-89-3 Indigo
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S36:;

  Company: The Fourth Chemical Industry of Anping County     [ China ]        
  Contact: Mr.He
  Tel: +86-318-5282988, +86-318-52879
  Fax: +86-318-5287988
  Email: anpingsihua@gmail.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.