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 ★ Phthalic anhydride
Chemical name: Phthalic anhydride
Molecular formula: C8H4O3
Molecular weight: 148.12
Application: used for manufacturing of plasticizer, resin, painting, medicine and dyestuff intermediate.
Product standard: GB/T15336-94
Technical index:
| Index |
Super-grade |
First-grade |
Qualified grade |
Appearance
|
White slice or crystallized power
|
White slice or crystallized powder
(having other colors faintly) |
| Melting color (Chromaticity)≤ |
20 |
50 |
100 |
| Heating-stability color (Chromaticity)≤ |
50 |
150 |
――― |
| Crystallizing point ≥ |
130.5℃ |
130.3℃ |
130.0℃ |
| Purity ≥ |
99.5％ |
99.5％ |
99.0％ |
| Free acid content≤ |
0.5％ |
0.5％ |
0.5％ |
| Ash ≤ |
0.05％ |
－ |
－ | |
 ★ Peri acid
Chemical name:1-Naphthylamine-8-Sulfonic Acid
Molecular formula: C10H9NO3S
Molecular weight: 223.25
Applications: mainly used for synthesizing of phenyl peri acid, tolueneyl peri acid and Chicago acid. Peri acid forms into naphthyl-sulfonic lactone, which can be used to manufacture 1,8- phenolsulfonic acid and acid complex blue GGN as a intermediate.
Product standard: HG-302-80 (dried) HG/T3389-2002 (wet)
Technical index:
| Index |
Index value |
| Appearance |
Gray red powder |
| Total amino value ≥ |
71.0％（wet） |
90.00％（dried） |
| 1,8 acid content ≥ |
95％ |
85.0％（dried） |
| Impurity ≤ |
－ |
5.0％ |
Packing：Plastic woven bags or iron drum, net 25kg or 50 kg. |
 ★ Laurent's acid
Chemical name:1-Naphthylamine-5-Sulfonic Acid
Molecular formula: C10H9NO3S
Molecular weight: 223.25
Applications: used for manufacturing of weak acid dyestuff.
Product standard: Q/THYJ.J02-02-2001
Technical index:
| Index |
Super grade |
Index value |
| Appearance |
Gray to rose pasty powder |
| Amino value ≥ |
60％ |
60％ |
| Peri acid content ≤ |
1.0％ |
3.5％ |
| Insoluble residue in ammonia water ≤ |
0.5％ |
1.2％ | Packing：Plastic woven bags or iron drum, net 25kg or 50 kg. |
 ★ Phenyl peri acid
Chemical name: Phenyl-1-Naphthylamine-8-Sulfonic Acid
Molecular formula: C16H13NO3S
Molecular weight: 299.33
Applications: used for manufacturing of weak acid dyestuff.
Product standard: HG/T 2076-2003
Technical index:
Index
|
Grade |
Super class
|
First grade(dried) |
Qualified grade (wet) |
| Appearance |
Brown-green crystal |
| Coincidence value≥ |
98.0％ |
97.0％ |
70.0％ |
| Peri acid content ≤ |
1.5％ |
2.0％ |
2.0％ |
| Aniline content≤ |
0.5％ |
0.5％ |
0.5％ |
| Insoluble residue in ammonia water≤ |
0.2％ |
0.2％ |
0.2％ | Packing：Plastic woven bags or iron drum, net 25kg or 50 kg. |
| ★ N-tolyl peri acid
Chemical Name: N-tolyl-1-naphthylamine-8-sulfonic acid
Molecular formula: C17H15NO3S
Molecular weight: 313.36
Applications: used for manufacturing of dyestuff.
Product standard: Q/THYH02-03-2003
Technical index:
| Index |
Index value |
| Wet article |
Dried article |
| Appearance |
Brown-green crystal |
| Coincidence value ≥ |
65.0％ |
94.0％ |
| Peri acid residual content ≤ |
0.5％ |
0.5％ |
| Insoluble residue in sodium carbonate ≤ |
0.3％ |
0.3％ |
| p-methyl aniline ≤ |
0.5％ |
0.5％ | Packing: Plastic woven bags or iron drum, net 25kg or 50 kg. |
| ★ Rubber antioxidant 4010NA（IPPD）
 Chemical Name: N-Isopropyl-N-phenyl-p - phenylenediamine
Molecular formula: C15H18N2
Molecular weight: 226.4
Applications: The article is a high-performance multi –functions antioxidant and widely used. It can be used in natural rubber, synthetic rubber and their latex. It also can be used in manufacturing of airplane tyre, bike shoe, cable, rubber goods and latex.
Product standard: GB8828-2003
Technical index:
| Index |
Index value |
| Super grade |
First grade |
| Appearance |
Gray purple to purple-brown slice solid |
| Purity≥ |
95.0％ |
92.0％ |
| Melting point≥ |
71.0％ |
70.0％ |
| Heating loss≤ |
0.5％ |
0.5％ |
| Ash≤ |
0.3％ |
0.3％ | Properties: gray purple slice crystal, soluble in oil, acetone, alcohol, etc. Insoluble in water. It is easily oxidized when exposed in air and sunlight.
Packing: plastic bag, net 25KG/bag. |
| ★ Rubber antioxidant 4020（6PPD）
 Chemical Name: N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine
Molecular formula: C18H24N2
Applications: The article is a high-performance multi –functions antioxidant and widely used. It can be used in natural rubber, synthetic rubber and their latex. It also can be used in manufacturing of airplane tyre, bike shoe, cable, rubber goods and latex.
Product standard: HG/T3644-1999
Technical index:
Index
|
Super grade |
First grade |
First grade |
| Appearance |
Gray brown granule solid |
| Freezing point ≥ |
46℃ |
44℃ |
44℃ |
| Heating loss ≤ |
0.5％ |
0.5％ |
1.0％ |
| Ash ≤ |
0.3％ |
0.3％ |
0.3％ | Properties: gray purple slice crystal, soluble in oil, acetone, alcohol, etc. Insoluble in water. It is easily oxidized when exposed in air and sunlight.
Packing: plastic bag, net 25KG/bag. |
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