Upcoming products: 100 ltrs,210 ltrs barrels, 1000 ltrs IBC tank, Fruits and Vegetables Crates.

Chemical Division

4-4 Di-Amino Stilbene 2-2 Di-Sulphonic Acid (D.A.S.D.A)

Specification

Product Name 4-4 Di-Amino Stilbene 2-2 Disulphonic Acid CAS N0 : 81.11.8
Purity Min. 95.0%
Color Cream coloured powder
Mol. weight 370.4
Emp. Formula C14H14N2O6S2
Dibenzyl Stilbene 0.20% Max.
Insoluble 0.12%
Uses An Intermediate in the mfg. of optical whitening Agent and Dyestuffs.
Acutes & Chronic-Toxic effect The compound does not appear to present any Hazards by skin Absorption but could cause irritation by inhalation of the dust.
Handling Requirements Rubber / plastic gloves Apron and boots should be worn together with goggles giving total eye protection. Care should be taken to avoid inhalation of the dust.
Packing 25/50/300 Kgs. of H.D.P.E. bags with separate liner inside or as per customer’s requirement.
Storage Protect from fire and high temperature.

PARA NITRO TOLUENE ORTHO SULPHONIC ACID (P N T O S A)

Specification

Product Name Para Nitro Toluene Ortho Sulphonic Acid CAS N0: 81.11.8
Purity 80.0% Min.
Physical Appearance White to off white crystals
Mol. weight 217
Emp. Formula C7H7O5NS
Insoluble 0.05% Max.
Free Acidity 1.0% Max.
Uses Intermediates for dyestuff.
Packing 25/500 Kgs. of UN Approve H.D.P.E. bags with separate liner inside.
Storage Protect from fire and high temperature.

4-AMINO 4-NITRO STILBENE 2-2 DI SULPHONIC ACID (N.A.S.D.A)

Specification

Product Name 4-Amino 4-Nitro Stilbene 2-2 Di Sulphonic Acid
CAS N0
: 119.72.2
Purity 60.0% min (semi dryed mat.)
Contain By TLC (A) D.N.S.D.A. – 0.5% max
(B) D.A.S.D.A. – 0.5% max
Mol. weight 400 (Free Acid)
Emp. Formula C14H12N2O8S2
Insoluble 0.2 % max
Solubility Water Soluble
Physical Appearance Red Color
Packing 25/500 kgs. HDPE bag with separate liner inside or as per customer’s requirement.

4-4 DI-NITRO STILBENE 2-2 DI SULPHONIC ACID (DNSDA)

Specification

Product Name 4-4 Dintro Stilbene 2-2 Disulphonic Acid CAS N0 : 128.42.7
Purity 70% Min.
Appearance Orange – Yellow
Mol. weight 430 (Free Acid)
Emp. Formula C14H10O10N2S2
Solubility Soluble in hot water
Insoluble in Alkali 0.2 Max.
Form Supply Semi Dry Crystal / Powder
Purity by HPLC 99 % Min.
Dibenzyl Stilbene 0.5% Max.
Colour Value Red – 7.0 Max.
Yellow – 40.0 Max.
Main Usages It is a kind of dyes intermediates. Can be used In manufacture of DASDA Acid.
Packing 25/50/500 Kgs. of H.D.P.E. bags with separate liner inside or as per customer’s requirement.

Specification

Product Name 4-4 Dintro Stilbene 2-2 Disulphonic Acid CAS N0 : 3709-43-1
Purity Min. – 75.0%
Appearance Yellow Orange
Mol. weight 474 (Sodium Salt)
Emp. Formula C14H8O10N2S2Na2
Form supply Semi – dried Powder
Insoluble in Alkali Max. 0.2%
Application Intermediate for Direct Dyes (E.g. Direct Yellow-99, Yellow-6, Orange-39, Orange-34 etc.)
Packing 25/50/500 kgs. HDPE bag with separate liner inside or as per customer’s requirement.
Dibenzyl Stilbene Max. – 0.5%
Storage Inflammable in nature hence should be kept away from excess heat and fireplace.
Acute and cronitoxi The product does not appear to cause any hazard by inhalation of dust.
Handling instruction Rubber or plastic gloves, apron and boots should be worn together with goggles giving total eye protection.

OBA - optical brightening agents

(for Paper, Textiles and Detergents industries)