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

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

 (4) 1-Amino-8-Naphthol-46-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

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 -177C

 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:

 412

Specifications:

solids content:

60-70%

purity:

95% min

98% min

anthraquinone-1-sulfonic acid(dry basis):

1.5% max

anthraquinone1,8-disulfonic acid(dry basis):

1% max

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

 

(3)  Anthraquinone-1,8-Disulfonic Acid

 

 Formula:

 C14H6S2O8K2

Molecular Weight:

 446

Specifications:

solids content:

60-70%

purity:

97% min

anthraquinone-1-sulfonic acid(dry basis):

1.5% max

anthraquinone1,5-disulfonic acid(dry basis):

1% max

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

(4) BLUE BASE P-3R/Basic Blue 3R

 

Case No.: 24124-40-1

 Formula:

 C23H21N3O8S2

Molecular Weight:

 531

Specifications:

purity:

80% min

1,4-diamino anthraquinone-2-sulfonic acid:

0.2% max

1-amino anthraquinone-2-sulfonic acid:

1.2% max

1-amino-4-hydroxy-anthraquinone-2-sulfonic acid:

0.3% max

1-amino-4-bromo-anthraquinone-2-sulfonic acid:

0.5% max

Bisbasic blue:

5.0% max

Insolubles:

0.2% max

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

(5)   Bromamine Acid CAS 116-81-4

CASE NO.: 116-81-4

 Formula:

 C14H8BrNO5S

Molecular Weight:

 382

 Specifications:

purity:

M.W.: 404

95% min

M.W.: 382

90% min

1-amino anthraquinone-2-sulfonic acid:

0.3% max

1-amino anthraquinone-2,4-disulfonic acid:

0.3% max

anthraquinone:

0.1% max

1-amino anthraquinone:

0.1% max

1-amino-2-bromo anthraquinone:

0.1% max

1-amino-2,4-dibromo anthraquinone:

0.1% max

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

 

(6) DBD Acid

Case no.6022-22-6

 Formula:

 C28H14N2O10S2Na2

Molecular Weight:

 648.53

 Specifications:

purity:

95% min

bromamine acid:

0.5% max

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

 

(7) 1,4,5,8-Tetrachloroanthraquinone

Case No.: 81-58-3

 Formula:

 C14H4Cl4O2

Molecular Weight:

 346

 1,4,5,8-TETRACHLORO ANTHRAQUINONE Specifications:

purity:

95% min

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

 

(8) 1,8-Dichloroanthraquinone

CAS 82-43-9

 Formula:

 C14H6Cl2O2

Molecular Weight:

 277

 1,8-DICHLORO ANTHRAQUINONE Specifications:

purity:

96% min

1,5-dichloro anthraquinone:

1.5% max

1-chloro anthraquinone:

2% max

moisture:

1% max

ash:

1% max

 Packing:  25kg drum or at the buyer's option.

 (9) 1-Amino-anthraquinone;9,10-Anthracenedione

Case No.:82-45-1

 Formula:

 C14H9NO2

Molecular Weight:

 223

  Specifications:

purity:

96.5% min

95% min

diamino anthraquinone:

0.8% max

1% max

moisture:

0.8% max

1% max

ash:

0.8% max

1% max

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

 (10) 1,5-Dichloroanthraquinone

 

 Formula:

 C14H6Cl2O2

Molecular Weight:

 277

  Specifications:

purity:

96% min

1,8-dichloro anthraquinone:

1.5% max

1-chloro anthraquinone:

2% max

moisture:

1% max

ash:

1% max

 Packing:  25kg drum or at the buyer's option.

 

Benzanthrone Serious

(1) 3-Bromo-benzanthrone / 7H-benz[de]anthracene-7-one, 3-bromo-/
 3-bromo-7H-benz[de]anthracene-7-one

Case No.: 81-96-9

 Formula:

 C17H9BrO

Molecular Weight:

 309.16

  Specifications:

initial melting point:

158 min

moisture:

6% max

dibromo content:

5.5% max

PH value:

7

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

 

(2) 3,9-Dibromobenzanthrone

Case No.: 81-98-1

 Formula:

 C17H8Br2O

Molecular Weight:

 388.06

 3,8-DIBROMO BENZANTHRONE Specifications:

initial melting point(on dry basis):

236C min

total bromo content:

40%-42%

moisture:

60% max

PH value:

7

 Packing:  200kg iron drum or at the buyer's option.

(9) Benzanthrone Case No. 82-05-3

 

Others

 (1) Dehydrothio-4-Toluidine CAS No.92-36-4

.Structure Formula:

Molecular Formula:C14H12N2S

Specification:Purity:95% min

Usage:An intermediate of paper dyes.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag

(2) Dehydrothio-p-Toluidine 3'7 Disulfonic Acid

.Structure Formula:

Molecular Formula:C14H12N2O6S3

Formula Weight:400.4

Specification:Appearance:yellow moist matter

Purity:40% min (Total amino value)

Usage:An intermediate of paper dyes.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

(3) Dehydrothio-4-Toluidine sulfonic Acid

.CAS No.130-17-6

Structure Formula:

Formula Weight:320.4

Specification:Appearance:yellow powder

Amino value:96% min

Usage:An intermediate of paper dyes.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag 400kg/bag.

(5) 4-Chloro-1,8-Naphthalic Anhydride CAS No.4053-08-1

Structure Formula:

Molecular Formula:C12H5ClO3

      Specification
:Appearance:greyish white powder

M.P.:208-210 Purity:95%

Usage:Used as the important raw material for manufacture of dyes, pigments and fluorescent whiteners etc.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

 

(6)4-Nitro-1,8-Naphthalic Anhydride CAS No.34087-02-0

Structure Formula:

Molecular Formula:C12H5NO5
Specification
:Appearance:pale yellow powder

 M.P.:227-229

Purity:98% min

Usage:Used as the important raw material for manufacture of dyes, pigments and fluorescent whiteners etc.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

(7) 4-Bromo-1,8-Naphthalic Anhydride CAS No.21563-29-1

Structure Formula:

Molecular Formula:C12H5BrO3
Specification
:Appearance:Pinkish white powder

.M.P.:217-219

.Purity:98% min

Usage:Used as the important raw material for manufacture of dyes, pigments and fluorescent whiteners etc.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

(8) 4-Supho-1,8-Naphthalic Anhydride Potassium Salt

 CAS No.71501-08-9

Structure Formula:

Molecular Formula:C12H5NO5
Specification
:Appearance:white powder

Purity:99% min (by HPLC)

Usage:Used as the important raw material for manufacture of dyes, pigments and fluorescent whiteners etc.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

(9) Naphthostyril 1,8-Naphtholactam CAS No.130-00-7

 

Structure Formula:

Molecular Formula:C11H7NO

Formula Weight:169.18
Specification
:Appearance:Light yellow powder

Purity:97% min

Usage:An intermediate of vat dyes and pigments.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

(10) 4-Amino-1-Methyl Benzene-2,5-Disulfonic Acid

 

Structure Formula:

Molecular Formula:C7H9NO6S2

Specification
:Appearance: Yellow Powder

Purity by Nitrite Value: 67-70%

Moisture: 9-13%

Insoluble: 0.1%

Usage:Used as the important raw material for manfacture of dyes.

Package:Knitted bags lined with plastic bags.

Net Wt:25kg/bag

(11) 2-Amino-6-Nitro Phenol-4-Sulfonic Acid CAS NO.96-93-5

Structure Formula:

Molecular Formula:C6H6N2O6S

Specification
:Appearance: Yellow Crystalline

Purity by HPLC: 99%

Insoluble: 0.2%

Usage:Used as the important raw material for manfacture of dyes.

Package:Knitted bags lined with plastic bags.

Net Wt:25kg/bag

 

(12) 2-Methyl-5-AminoPhenol CAS NO. 2835-95-2

Structure Formula:

Molecular Formula:C7H9NO
Specification
:Appearance: Pale Brown Crystalline
Purity by HPLC: 97%
Insoluble: 0.2%

Usage: Used as the important raw material for manfacture of dyes.

Package:Knitted bags lined with plastic bags.

Net Wt:25kg/bag

(13) Benzenesulfonic acid,3-[(4-amino-3-methylphenyl)azo]

CAS No.55994-13-3

Structure Formula:

Molecular Formula:C13H13N3O3S

Specification
:Appearance:dark red powder.

Purity:95% min .

Usage:An intermediate of dyes and pigments.

Package:Iron drum lined with plastic bag.

Net Wt:25kg/drum.

(14) 4-Amino-3-methoxyazobene-3'-sulfonic acid sodinmsalt

CAS No.6300-07-8

Structure Formula:

Molecular Formula:C13H13N3O4SNa

Specification
:Appearance:Orange moist matter

Purity:95% min(by HPLC)

Usage:An intermediate of paper dyes.

Package:Iron drum lined with plastic bag.

Net Wt:25kg/drum.

(15) 4,5-Dichloro-1,8-Naphthalic Anhydride

CAS No. 7267-14-3

Structure Formula:

Molecular Formula:CL2H4CL2O3
Specification
:Appearance:White or hoar pale powder

Purity:95% min (by HPLC)

Usage:Used as the important raw material for manufacture of dyes, pigments and fluorescent whiteners etc.

Package:Knitted bag lined with plastic bag.

Net Wt:25kg/bag.

 

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