FREE ACID

MPDSA finds application in various industries due to its unique properties. It serves as an essential intermediate in the manufacture of azo dyes and reactive dyes. These dyes are widely used in the textile industry for coloring fabrics, yarns, and garments. When combined with other intermediates, MPDSA contributes to the production of high-quality products. These products span a range of applications, including textiles, printing, and more.

Name Meta phenylene diamine 4-sulphonic acid as free acid
HS Code 29222926
Synonyms
  1. (1) M.p.d.a.s. or m.p.d.s.a
  2. (2) 1,3, diamino benzol, 6-sulphonic acid
  3. (3) 2,4, diamino benzene, 1-sulphonic acid
  4. (4) Metaminic acid
Molecular Weight 188 gm/mole
Structure
Empirical Formula C6H3(NH2)2SO3H
Purity 98% min.
CAS No. 88-63-1
Value Chain Nitro chloro benzene
Solubility Soluble in alkaline water
Moisture Less than 2%
Color Light brown to white
Appearance Very small crystalline powder
Packing 25/50.00 kgs. H.D.P.E. woven bag with liner inside.
Export (as per requirement)
End Use Intermediates for dyestuff
There are many kind of dyes which can be manufactured from m.p.d.s.a.

REACTIVE DYES

 SN. REACTIVE DYES C.I. No.
1. C .I. REACTIVE ORANGE 2 17865
2. C. I. REACTIVE RED 4 18105
3. C. I. REACTIVE YELLOW 1 18971
4. C. I. REACTIVE YELLOW 2 18972
5. C .I. REACTIVE YELLOW 18 -
6. C .I. REACTIVE YELLOW 22 -
7. C .I. YELLOW 23 VINYLE SULFON BASED -
8. C .I. REACTIVE BLUE 4 61205

DIRECT DYES

 SN. DIRECT DYES C.I. No.
1. C. I. DIRECT ORANGE 24 20130
2. PARA ORANGE (BY) 23080
3. C .I. DIREDT ORANGE 6 23365
4. DIRECT NAPHTHAMINE ORANGE NG (K) 30095
5. C .I. DIRECT BROWN 147 23360
6. C .I. DIRECT BROWN 146 25260
7. C. I. DIRECT BROWN 148 25265
8. C. I. DIRECT BROWN 138 31500
9. DIRECT DIAZO BROWN NR (BY) 35240

ACID DYES

 SN. ACID DYES C.I. No.
1. C. I. ACID BROWN 31 13255
2. C. I. ACID BROWN 265 13260
3. C. I. ACID BROWN 120 35020
4. C. I. ACID BROWN 119 35025
5. C. I. ACID BROWN 123 35030

MORDANT DYES

 SN. MORDANT DYES C.I. No.
1. C. I. MORDANT BROWN 33 13250
2. C. I. MORDANT BROWN 49 13265
3. MORDANT DIAMOND BROWN 3R (BY) 26260