Trimellitic Anhydride( TMA)

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Trimellitic Anhydride( TMA)
Posting date : Oct 21, 2008
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29-
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Trimellitic anhydride(TMA) Molecular formula:C9H4O5 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 Purity % ≥ 99.80 Acid number mgKOH/g ≥ 873.00 Anhydride content % ≥ 98.50 Melting point oC : 166.0~168.0 triethylene glycol(TEG)chroma,  Pt-Co ≤ 35# Fuse chroma Pt-Co ≤ 100# PA ppm ≤500

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