name: indigo blue
appearance: dark blue powder
concentration: 100%
shade: similar to standred
solubility: insoluble in water
product description:
1) name: indigo blue
2) chemical formula: c28h14n2o4
3) usage: mainly used in paper and textile dyestuffs
molecular formula c28h14n2o4
p.h. value 7.5
density(g/cm3) 1.2-1.5
oil absorption(ml/100g) 30-35
light fastness 6-7
heat resistance 160
water resistance 5-6
oil resistance 4-5
acid resistance 5-6
alkali resistance 5-6
Biddle Sawyer Fortune Chem ( Asian Sales Division of Biddle Sawyer New York ) sells proven
quality of INDIGO BLUE on a regular basis.
Contact Point :
Mr. S. M. Kang, CEO
Mr. Jingu Kang, Manager
Tel : 82-(0)51-701-9121
Fax : 82-(0)51-701-9125
Please click “ CONTACT SUPPLIER “ above so that we may reply therein or inform you the person in charge name and his/her email address and company website.
All Payment including shipping documents procedure and strict quality management to be done by Biddle Sawyer New York in cooperation with very well-trained ( including TBM : Time Based Management ) Biddle Sawyer’s overseas offices and affiliations
Custom Manufacturing and Development Capabilities
R&D at 6 labs (affiliate or contract)
~350 Chemists at 6 facilities in USA, China, Korea, Taiwan, India and Finland
~40 PhD's, ~120 M.S.; External consultants welcomed
~400 combined hoods
Up to 100L vessels in labs
Development Services
Tech Transfer
Process R&D
Analytical Development
Custom Synthesis; FTE
Kilo lab production
Analytical Equipment
LC's GC's LC/MS GC/MS NMR IR UV KF
Production Capabilities
Production at 6 plants (affiliate or contract)
>150 vessels at 6 facilities in USA, China, Korea, Taiwan and Finland
>2000m3 capacity
Vessels from 300L to 10,000L
Temps from -80 to 350C
Production Services
Tech Transfer
Scale Up
Optimization
Non-GMP and GMP (FDA inspected)
Pilot to large commercial scale