HC Blue No. 2 is used in semi-permanent hair dye formulations.
Detailed specs:
 
Testing items Specifications
Appearance Amber crystal
Assay ≥ 99.0%
Moisture ≤ 0.50%
Melting point          105 ~ 108 deg.C.            
Ash ≤ 0.1%
Fe ≤ 35 ppm

Products :

HC Red 3 ,CAS# 2871-01-4       
HC Blue 2, CAS#33229-34-4        
HC Yellow 2, CAS#4926-55-0       
HC Violet BS, CAS#84041-77-0    
HC Yellow 4, CAS#59820-43-8     

 In 25 Kgs fibre drums or to be discussed

Biddle Sawyer Fortune Chem ( Asian Sales Division of Biddle Sawyer New York ) sells proven
quality of Copolymer of Hair Dyes HC Blue 2, HC BLUE No 2 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