Benzene Series:

(1) 4-Amino 3-Methoxy Azo Benzene 3-Sulfonic Acid Sodium Salt case no.: 6300-7-8

3,4 Amino-3-Methoxy-Phenyl Azo Benzene Sulphonic Acid

 Formula:

 C13H13N3O4S

MolecularWeight:

 307.3

Specifications:

appearance:

orange powder or paste

solids content:

60-80%

strength(MW:307.3,dry basis):

75% min

sodium chloride(on 100% basis):

25% max

o-anisidine(on 100% basis):

0.5% max

insolubles(on 100% basis):

0.3% max

 Packing:  25/500kg woven bag or at the buyer's option.

(2) 4-Amino 3-methyl Azo Benzene 3-Sulfonic Acid Sodium Salt

Case no.: 8516-59-6

 Formula:

 C13H13N3O3S

Molecular Weight:

 291.3

 Specifications:

appearance:

Orange powder or paste

solids content:

60-80%

strength(MW:291.3,dry basis):

75% min

o-toluidine(on 100% basis):

2% max

insolubles(on 100% basis):

0.3% max

 Packing:  25/500kg woven bag or at the buyer's option.

 (3) Orthanilic acid

Case no.: 88-21-1

 Formula:

 C6H7NO3S

Molecular Weight:

 173.19

 ORTHANILIC ACID Specifications:

purity:

97% min

95% min

insolubles:

0.1% max

 Packing:  25/500kg woven bag or at the buyer's option.

Naphthalene Series :

(1) T acid/1-Naphthylamine-3,6,8-trisulfonic acid

Case no.: 117-42-0

 Formula:

 C10H18N4O9S3

Molecular Weight:

 434.46

 Specifications:

purity:

85% min

insolubles:

0.2% max

 Packing:  20/500kg woven bag or at the buyer's option.

  (2) N-Benzoyl H Acid

Casse no.:117-46-4

 Formula:

 C17H13NO8S2

Molecular Weight:

 423.4

 N-BENZOYL H ACID Specifications:

appearance:

Off-white to tan powder

purity:

75% min

insolubles:

0.3% max

 

 

 

 Packing:  25/500kg woven bag or at the buyer's option.

(3) benz(cd)indol-2(1H)-one/1,8-Naphthaolactam /Naphthostyril

130-00-7

 Formula:

 C11H7NO

Molecular Weight:

 169.19

Specifications:

purity:

92% min

melting point:

176 -177¡æ

 Packing:  25/500kg woven bag or at the buyer's option.

 (4) 1-Amino-8-Naphthol-4£¬6-disulfonic acid/European K Acid

Case no.:130-23-4

 Formula:

 C10H9NO7S2

Molecular Weight:

 319.3

 EUROPEAN K ACID Specifications:

appearance:

White to grey powder

purity:

75% min

H acid:

2% max

3% max

insolubles:

0.2% max

 Packing:  20/500kg woven bag or at the buyer's option.

(5) 2-Naphthylamine-4,8-Disulphonic Acid (C-Acid)

Case no.: 131-27-1

 Formula:

 C10H8NO6S2Na

Molecular Weight:

 325

 AMINO C ACID Specifications:

appearance:

Pale grey pink powder

purity:

85% min

75% min

insolubles:

0.2% max

 Packing:  25/500kg woven bag or at the buyer's option.

 (6) N-acetyl H acid

Case no.: 134-34-9

 Formula:

 C12H11NO8S2

Molecular Weight:

 361

Specifications:

appearance:

Off-white to tan powder

purity:

75% min

H acid:

0.2% max

 Packing:  25/500kg woven bag or at the buyer's option.

 (7) 2-(4'-Amino-2'-Methylphenyl)Azo-6,8-Naphthalenedisulfonic AI /AGAT BASE

Case no.2494-93-1

 Formula:

 C17H15N3O6S2

Molecular Weight:

 421

Specifications:

appearance:

Orange powder or paste

solids content:

60-80%

strength(MW.421,dry basis):

75% min

m-toluidine(on 100% basis):

0.3% max

insolubles(on 100% basis):

0.2% max

 Packing:  25/500kg woven bag or at the buyer's option.

(8) Chromotropic acid sodium salt

Chromotropic Acid Monosodium

4,5-Dihydroxy-2,7-naphthalenedisulfonic acid sodium salt

4.5-Dihydroxy-2.7-naphthalene disulfonic acid monosodiumsalt

CHROMOTROPIC ACID ( MONOSODIUM SALT M.W. 342 )

Case no.: 3888-44-6

 Formula:

 C10H6O8S2Na2

Molecular Weight:

 364

 CHROMOTROPIC ACID Specifications:

appearance:

White to grey powder

purity:

90% min

75% min

H acid:

1% max

2% max

insolubles in water:

0.2% max

 Packing:  25/500kg woven bag or at the buyer's option.

(9) Monosodium 4-amino-5-hydroxy-2,7,-naphthalenedisulfonate

Case No.: 5460-09-3

 Formula:

 C10H8NO7S2Na

Molecular Weight:

 341.3

 Specifications:

appearance:

Off-white to tan powder

purity:

M.W.: 341

88% min

M.W.: 319

82.4% min

insolubles in alkali:

0.1% max

0.1% max

chromotropic acid:

1.5% max

1.0% max

T acid:

0.5% max

0.2% max

¦Ø acid:

0.2% max

0.2% max

moisture:

5.0% max

5.0% max

 Packing:  25/500kg woven bag or at the buyer's option.

(10) 1,8-Naphthalimide

Case no.: 81-83-4

 Formula:

 C11H7NO

Molecular Weight:

 169.19

 1,8-NAPHTHALIMIDE Specifications:

purity:

92% min

melting point:

176 -177¡ãC

 Packing:  25/500kg woven bag or at the buyer's option.

 

Anthraquinone Series

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Amino-5-Chloroanthrquinone
Anthraquinone-1-Amino-5-Sulphonic Acid Salt
Anthraquinone-1-Sulphonic Acid Ammonium Salt
Anthraquinone-1-Sulphonic Acid Sodium Salt
Anthraquinone-1-Sulphonic Acid Postassium Salt
Anthraquinone-1,5-Disulphonic Acid Sodium Salt
9,10-Anthraquinone-1,8-Disulphonic Acid Postassium Salt
1-Chloro Anthraquinone
1,5-Dichloro Anthraquinone
1,4,5,8-Tetra Chloro Anthraquinone
1,8-Dichloro Anthraquinone

Anthraquinone-2-Sulphonic Acid Disodium
1-Methylamine Anthraquinone
1-Methylamine-4-Bromoanthraquinone
1-Hydroxy Anthraquinone
1-Hydroxy-4-Aminoanthraquinone
1-Isopropylamine Anthraquinone
1-Cyclehexylamine Anthraquinone
1-Isopropylamine-4-Bromoanthraquinone
1-Cyclehexylamine-4-Bromoanthraquinone
Anthraquinone-1-Nitro-5-Sulphonic Acid Ammonium Salt
Anthraquinone-1-Amino-5-Sulphonic Acid Salt
1-Amino-5-Chloroanthrquinone

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

(1) 1,8 Dihydroxy 4,5 Dinitro Anthraquinone

 

 Formula:

 C14H6N2O8

Molecular Weight:

 330

Specifications:

purity:

98% min

1,5-dihydroxy-4,8-dinitro AQ:

0.5% max

1,8-dihydroxy-2,5-dinitro AQ:

0.3% max

1,8-dihydroxy-2,4,5-trinitro AQ:

0.3% max

2,4-dinitro phenol:

0.5% max

other impurities:

0.5% max

moisture:

1% max

ash:

1% max

 Packing:  40kg woven bag or at the buyer's option.

(2) Anthraquinone-1,5-Disulfonic Acid

Case no.: 853-35-0

 Formula:

 C14H6S2O8Na2

Molecular Weight: