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Dyes Intermediate

Our high quality dyes Intermediate are manufactured
& designed to permanently dye.

Dyes Intgermediate

C Acid

Specification
PRODUCT NAME C ACID (CASSELLA’S ACID)
CHEMICAL NAME 2-NAPHTHYLAMINE 4,8 DISULFONIC ACID
CAS NO. 131-27-1
EMPIRICAL FORMULA C10H9NO6S2
MOLECULAR WEIGHT303
STRUCTURAL FORMULA
FORM SUPPLIED DRY POWDER
PHYSICAL APPEARANCE LIGHT PINKISH
SALES BASIS ON 100 % BASIS
PACKING HDPE BAG WITH PE LINER
ASSAY 70 % MIN.(ON MOL WT : 303)
INSOLUBLES 0.2 % MAX.
SOLUBILITY CLEAR SOLUTION IN DILUTE ALKALI

European K Acid

Specification
PRODUCT NAMEEUROPEAN K ACID
CHEMICAL NAME1-AMINO-8-NAPHTHOL,4,6 DISULPHONIC ACID 
8-AMINO 1 NAPHTHOL 3,5 DISULPHONIC ACID
CAS NO. 40130-23-4-FREE ACID,40492-14-6-MONO SOD.SALT
EMPIRICAL FORMULA C10H9NO7S2
STRUCTURAL FORMULA 
FORM SUPPLIED DRIED POWDER
PHYSICAL APPEARANCE GREYISH OFF WHITE COLOUR
SALES BASIS ON 100 % BASIS
PACKING HDPE BAG WITH PE LINER& JUMBO BAG
ASSAY 75 % MIN.
INSOLUBLES  0.2 % MAX.
SOLUBILITY SOLUBLE IN WATER

Amido Epsilon Acid

Specification
PRODUCT NAMEAMIDO EPSILON ACID
CHEMICAL NAME1 NAPHTHOL 3,8 DISULPHONIC ACID
MOLECULAR WEIGHT303
STRUCTURAL FORMULA
INSOLUBLES0.2 %
SOLUBILITYSOLUBLE IN WATER
PURITY80 %

Sulpho C Acid

Specification
PRODUCT NAMESULPHO C ACID
CHEMICAL NAME2-NAPHTHYLAMINE,4,6,8-TRI SULPHONIC ACID
EMPIRICAL FORMULAC10H10NO9S2
STRUCTURAL FORMULA
 INSOLUBLE0.25 % MAX.
 PURITY55 % MIN. SEMI. DRY
UNREACTED C ACID 0.25 %

K Acid

Specification
PRODUCT NAME K ACID
CHEMICAL NAME2-NAPHTHYLAMINE-3,6,8-TRISULFONIC ACID
MOLECULAR WEIGHT383
PHYSICAL APPEARANCEYELLOWWISH WHITE COLOUR MOIST MATERIAL
SOLUBILITYSOLUBLE IN HOT WATER
CAS NO.118-03-6
STRUCTURAL FORMULA
IMPERIAL FORMULAC10-H9-N-09-S3
EINECS NO.204-229-9
PURITY BY N.V.65 % MINI.
2-NAPHTHYLAMINE-6,
8-DISULFONIC ACID
0.3 % MAX.
SULFURIC ACID, 
2-NAPHTHYLAMINE0.4 % MAX.
FE300 PPM MAX.

Schaffer Acid (Sodium Salt)

Specification
PRODUCT NAMESCHAEFFER’S ACID 
CHEMICAL NAME2-NAPHTHOL 6-SULFONIC ACID 
EMPIRICAL FORMULAC13H2O4S
STRUCTURAL FORMULA
CAS NO. 93-01-6
MOLECULAR WEIGHT224 
ASSAY WET65 % MIN.
PHYSICAL APPEARANCEOFF WHITE TO BROWN COLOUR

Gamma Acid

Specification
PRODUCT NAMEGamma Acid
CHEMICAL NAME6-AMINO-4-HYDROXY-2NAPHTHALENE SULFONIC ACID 
2-AMINO-6-SULFONIC ACID-8-NAPHTHOL
CAS NO.90-51-7
MOLECULAR WEIGHT 239 GRAMS/MOLE
EMPIRICAL FORMULA C10 H9 N O4 S
STRUCTURAL FORMULA
PURITYMN. 90% BY CV
AMIDO G  ACID CONTENTMN.  0.30%
DIOXY G  ACID CONTENTMN.  030%
BROENNER’S ACID CONTENTMN.  1.00%
INSOLUBLE MATTERS MN.  0.20%
SOLUBILITY SOLUBILITY IN DILUTE ALKALI
PHYSICAL APPEARANCE LIGHT GRAY DRY POWDER
BASIS  OF SALES ON 100% REAL BASIS
PACKING25/50KGS HDPE BAGS  WITH DOUBLE PE LINERS INSIDE

H Acid

Specification
PRODUCT NAMEH ACID
CHEMICAL NAME1 AMINO-8 NAPHTHOL 3-6 DISULPHONIC ACID
CAS NO.9-3-5460
EMPIRICAL FORMULAC10H9O7NS2
MOLECULAR WEIGHT319
STRUCTURAL FORMULA
PHYSICAL APPEARANCEGREYISH WHITE 
INSOLUNLE0.2 % MAX.

G Salt

Specification
PRODUCT NAMEG SALT 
CHEMICAL NAME2-NAPHTHOL 6-8-DISULFONIC ACID 
EMPIRICAL FORMULAC14H8O7N2O2S
STRUCTURAL FORMULA
CAS NO.118-32-1
EINECS NO.204-254-6
MOLECULAR WEIGHT304
ASSAY WET65 % MIN.
PHYSICAL APPEARANCEWHITE TO OFF WHITE POWDER

Sulpho Gamma Acid

Specification
PRODUCT NAMESULPHO GAMMA ACID 
CHEMICAL NAME1-NAPHTHOL-3,6-DISULFONIC ACID 
STRUCTURAL FORMULA
EMPIRICAL FORMULAC10H9NO7S2
CAS NO.90-40-4
MOLECULAR WEIGHT319.31096

Sulpho J Acid

Specification
PRODUCT NAMESULPHO J ACID 
CHEMICAL NAME2-AMINO-5-NAPHTHOL-1,7-DISULFONIC ACID 
MOLECULAR WEIGHT319
STRUCTURAL FORMULA
PURITY70 % & ABOVE
ISOMERMAX. 3 % UNREACTED J ACID
INSOLUBLEMAX. 0.5 %
H.P.L.C.98 % & ABOVE H.P.L.C. BY AREA