552-30-7 Trimellitic anhydride Zhenjiang Zhengdan Chemical Industry Co.,Ltd.-China suppliers & exporters

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Trimellitic anhydride

Category : Organic chemicals and derivatives

CAS NO : 552-30-7 EC NO : 209-008-0

MF : C₉H₄O₅

Main Specifications : 99.80%

Synonyms : Trimellitic anhydride;4-Carboxyphthalic anhydride;

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

Molecular Structure:

Product description:

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
Item	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#
PA ppm ≤	500

Company：	Zhenjiang Zhengdan Chemical Industry Co.,Ltd.
Contact：
Phone：	0086-511-85188690 83350020 83350025
Mobile phone：
Fax：	0086-511-83350003
E-mail：	sales@zhengdanchem.com
Website：	http://www.zhengdanchem.com
Address：	The International Chemical Industrial Park of Zhenjiang New Area, Jiangsu, China
Zip Code：	212132