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Organic chemicals and derivatives |
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99.80% |
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CAS NO:
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no data |
Packing: |
no data |
Uses: |
Used for producing polyester resin, polyimide resin, water soluble alkyd resin, water soluble polyurethane resin, plasticizer, water soluble amino-alkyd resin, curing agent for epoxy resin, aeroengine oil, electric capacitor maceration oil, binder, sizing |
Usages: |
no data |
Trimellitic anhydride Description:
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Molecular formula：C9H4O5 
Structural formula：
Property：
- Appearance：white flaky
- Melting point：165-168℃
- Solubility： soluble in hot water, acetone, ethyl acetate,cyclohexanone, soluble in absolute ethyl alcohol and react with it.
Main use： It is used to produce polyester resin,polyamide resin,plasticizer, sizing agent,smoke suppressor etc.
Trimellitic anhydride quality index：Enterprise standard Q/321181GSH008-2005
Item |
Index |
Best quality |
First quality |
Appearance |
white flaky |
white or light yellow flaky |
Purity % ≥ |
99.80 |
99.00 |
Acid number mgKOH/g ≥ |
873.00 |
865.00 |
Anhydride content % ≥ |
98.50 |
97.00 |
Melting point oC |
166.0～168.0 |
165．0～168.0 |
triethylene glycol(TEG)chroma,
Pt-Co ≤ |
35# |
50# |
Fuse chroma Pt-Co ≤ |
100# |
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PA ppm ≤ |
500 |
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