1.APPEARANCE:RED POWDER
2.STRENGTH:150%
3.C.I.NO.:28160
4.CAS NO.:2610-11-9
1) Name: Direct Red 81
2) Chemical formula: C21H27N3O5S
3) Usage: Mainly used in Paper and Textile dyestuffs
Molecular Formula C21H27N3O5S
P.H. Value 7.5
Density(g/cm3) 1.2-1.5
Oil Absorption(ml/100g) 30-35
Light Fastness 7
Heat Resistance 160
Water Resistance 5
Oil Resistance 4
Acid Resistance 5
Alkali Resistance 5
OTHERS :
Direct Sky Blue 5B (Direct Blue 15);
Direct Copper Blue 2R (Direct Blue 151);
Direct Yellow R (Direct Yellow 11);
Direct Yellow G (Direct Yellow 12);
Direct Orange S (Direct Orange 26);
Direct Green BE (Direct Green 6);
Direct Brown MM (Direct Brown 2);
Direct Bordeaux B (Direct Red 13);
Direct Scarlet 4BS (Direct Red 23);
Direct Red 4BE (Direct Red 28);
Direct Pink 12B (Direct Red 31);
Direct Fast Black G (Direct Black 19);
Direct Black VSF600 (Direct Black 22);
Direct Black EX (Direct Black 38);
Direct Blue 293 (Direct Blue GL).
25 KG DRUMS OR TO BE DISCUSSED
SHIPMENT : In 14 days after order
Biddle Sawyer Fortune Chem ( Asian Sales Division of Biddle Sawyer New York ) sells proven
quality of DIRECT RED 81 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
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