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Product Name |
Appearance |
MP |
Assay |
| H-ACID(DRY POWDER) |
white powder |
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≥ 85% |
| H-ACID(DRY POWDER) |
white paste |
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≥ 42% |
3.3-DICHLOROBENZIDINE
HYDROCHLORIDE |
white crystal |
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≥ 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 |
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| 2-Amino-5-Naphthol-7-Sulfonic acid(J-ACID) |
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| 2-Naphthylamine-1-Sulfonic(TOBIAS ACID) |
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| Diphenylamine |
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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.
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2-Amino-5-Naphthol-7-Sulfonic acid  J-ACID
Molecular formula: C10H9NO4S
Molecular weight: 239.25
| Product |
Coupling |
Moisture |
Appearance |
Insoluble |
Isomers |
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Y-Acid |
Bis-J-Acid |
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Dry
Product |
90% |
≤1% |
Light grey to grey crystals |
≤0.2% |
1.2 |
- |
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Dry
Product |
92% |
≤1% |
Light grey to grey crystals |
≤0.2% |
1.2 |
- |
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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.
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2-Naphthylamine-1-Sulfonic TOBIAS ACID
Structural formula:
Molecular formula: C10H9NO3S
Molecular weight: 223.25
Total diazo
Value |
Moisture |
Appearance |
Insoluble |
2-Naphlhyl-ammine
P.P.M |
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97% |
≤1% |
White to pink crystals |
0.05 |
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98% |
≤1% |
White to pink crystals |
0.05 |
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97% |
≤1% |
White to pink crystals |
0.05 |
500 |
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98% |
≤1% |
White to pink crystals |
0.05 |
500 |
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98% |
≤1% |
White to pink crystals |
0.05 |
200 |
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98% |
≤1% |
White to pink crystals |
0.05 |
100 |
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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.
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Diphenylamine
Molecular formula:(C6H5)2NH
Molecular weight:169.23
Structure formula:
CAS NO. 122-39-4
Quality standard of product:Q/320621EAE01-2004
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Item |
Technical Index |
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grade |
1st grade |
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Appearance |
White , Light yellow or brown Tablet or particle |
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Diphenylamine,% ≥ |
99.50 |
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Low boiling point, ≤ |
0.5 |
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High boiling point, %≤ |
0.5 |
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Aniline, %≤ |
0.1 |
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Freezing point,Degree Celsius°C ≤ |
52.60 |
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Reaction of water extract substance |
Neutral |
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Moisture, %≤ |
0.2 |
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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. | | |
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