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1,4,5,8-naphthalenetetracarboxylic acid hydrate |
Molecular formula: |
 |
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1,4,5,8-naphthalenetetracarboxylic acid hydrate |
Appearance: |
Pale yellow solid |
CAS NO: |
128-97-2 |
Content: |
≥98.5% |
Molecular weight: |
304.204 |
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1,5-Dichloroanthraquinone |
Molecular formula: |
C14H6O2CL2 |
Molecular weight: |
277.11 |
Structural formula: |
 |
Content: |
≥98%(HPLC area method) |
Moisture: |
≤1% |
Melting point: |
≥244°C |
Packing: |
25Kg packing bag lined with plastic bag |
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1,8-dichloroanthraquinone
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Molecular formula: |
C14H6O2CL2 |
Molecular weight: |
277.11 |
Structural formula: |
 |
Content: |
≥98%(HPLC area method) |
Moisture: |
≤1% |
Melting point: |
≥196°C |
Packing: |
25Kg packing bag lined with plastic bag |
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Molecular formula: |
C7H4N2O6 |
Molecular weight: |
212.12 |
CAS NO.: |
99-34-3 |
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2-aminophenol-4-sulfonicacid
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Molecular formula: |
C6H7NO4S |
Molecular weight: |
189.19 |
CAS NO.: |
98-37-3 |
Appearance: |
Reddish brown to grey white crystalline powder |
Content: |
≥ 95% (dry goods); ≥ 85% (tide products) |
Water insoluble: |
≤ 0.2% |
HPLC: |
≥ 99% |
Uses: |
mainly used in producing acid mordant purple, reactive violet K-3R, direct fast brown BRL, etc. |
Packing & Storage: |
25kg woven bag, keep in cool and dry place. |
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