Product Name
Appearance
MP
Assay
H-ACID(DRY POWDER)
white powder
 
≥ 85%
H-ACID(DRY POWDER)
white paste
 
≥ 42%
3.3-DICHLOROBENZIDINE
HYDROCHLORIDE
white crystal
 
≥ 72%
FAST SCARLET BASE G
C.I.AZOIC DIAZO COMPONENT 12
light yellow powder
103°C
≥ 88%
FAST SCARLET BASE b
C.I.AZOIC DIAZO COMPONENT 5
orange yellow powder
137°C
≥ 98%
FAST SCARLET BASE GL
C.I.AZOIC DIAZO COMPONENT 8
orange red powder
113°C
≥ 98.5%
FAST BORDEAUX GP BASE
C.I.AZOIC DIAZO COMPONENT 1
orange red powder
120°C
≥ 98%
1-AMINO 8-NAPHTHALl, 3,6-DISULPHONIC ACID      
2-Amino-5-Naphthol-7-Sulfonic acid(J-ACID)      
2-Naphthylamine-1-Sulfonic(TOBIAS ACID)      
Diphenylamine      

1-Amino 8-naphthal, 3,6-disulphonic Acid

Structural Formula:
Molecular Formula: C10H8O7NS2Na
Molecular Weight: 341.3

Physical and Chemical Properties:

(1)the solubility in water is 0.17% (20°C);
(2)the solubility in water is 2.40% (60C°C);
(3)insoluble in alcohol and aether;
(4)soluble in solutions of alkali, sodium carbonate and ammonia;
(5)the dilute solutiono f H-acid appears blue red fluorescence;
(6)H-acid can couple in both acid and alkali condition;
(7)a. the alkali solution of H-acid fast becomes dark in air; b. to produce yellow crystalline diazo compound when reacting with nitrous acid; c. diazo compounds are soluble in soda and alkali solution; d. appears light violet when dissolving in soda solution, appears dark green when dissolving in alkali solution.

Main Uses: used to produce all kinds of azo dyes, used to dye wools, textiles, papers and paper textiles; also used to synthesize pharmaceutical.

 

2-Amino-5-Naphthol-7-Sulfonic acid J-ACID


Molecular formula: C10H9NO4S
Molecular weight: 239.25

 Product

 Coupling

Moisture 

 Appearance

Insoluble 

Isomers 

 Y-Acid

 Bis-J-Acid

Dry
Product 

 90%

 ≤1%

Light grey to grey crystals

≤0.2% 

 1.2

 -

Dry
Product

92% 

≤1% 

Light grey to grey crystals

 ≤0.2%

 1.2

 -

Wet
Product 

 ≤40%

Light grey to grey crystals

 ≤0.2%

 ≤2%

 ≤0.5%

Uses: For manufacturing Bis-J-Acid Urea, Phenyl-J-Acid, Direct dyes and Reactive dyes.
Packing: In 25kg.net woven bag lined with; A 20’ container can contain 14 tons cargo.

 

2-Naphthylamine-1-SulfonicTOBIAS ACID
Structural formula:
Molecular formula: C10H9NO3S
Molecular weight: 223.25

 Total diazo
Value

 Moisture

 Appearance

Insoluble 

2-Naphlhyl-ammine
P.P.M 

 97%

≤1%

 White to pink crystals

 0.05

 

 98%

≤1%

 White to pink crystals

  0.05 

 

 97%

≤1%

 White to pink crystals

 0.05

500 

  98%

≤1%

 White to pink crystals

 0.05

500

  98%

≤1%

 White to pink crystals

 0.05

200

  98%

≤1%

 White to pink crystals

 0.05

100

  98%

≤1%

 White to pink crystals

  0.05

50

Uses: For manufacturing J-Acid, Lithol scarlet, Naphthol and Reactive Brilliant Red K10B.
Packing: 25kg.net Woven bag lined with plastic bags; A 20’ container can contain 18 tons cargo.

 

Diphenylamine
Molecular formula:(C6H5)2NH 
Molecular weight:169.23
Structure formula:

CAS NO. 122-39-4
Quality standard of product:Q/320621EAE01-2004

Item

Technical Index

grade

1st grade

Appearance

White , Light yellow or brown Tablet or particle

Diphenylamine,% ≥

99.50

Low boiling point, ≤

0.5

High boiling point, %≤

0.5

Aniline, %≤

0.1

Freezing point,Degree Celsius°C ≤

52.60

Reaction of water extract substance

Neutral

Moisture, %≤

0.2

Alcohol insoluble substance, %≤

0.05

Property: white crystal, becoming gray or brownish yellow once exposed to light, Specific gravity: 1.160 (20/20)
Boiling point: 302 , lightly dissolving in water, dissolving in ethanol, diethyl ether, benzene, dissolving in thick inorganic acid solution but separating if diluted by water
Application: diphenylamine is mainly used to synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant, and powder stabilizer.
Package: This product is packed in 25kg paper&plastic composite sack. It should be kept away from sunlight, moisture, and heat.

 
Pigment Red Series
Pigment Yellow Series
Pigment Orange Series
Pigment Voilet Series
Pigment Blue and Green Series
Inorganic pigment
Iron Oxide Pigment
Intermediate
 
   
 
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