Factory Direct Supply Lowest Price CAS No. 89-32-7 Pmda Pyromellitic Dianhydride

• CAS No.: 89-32-7
• Formula: C10H2O6
• EINECS: 201-898-9
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Model NO.: CAS No. 89-32-7
• Colour: White
• Melting Point: 286-288
• Neutralization Equivalent: 54.5±0.2
• Specific Gravity: 1.680
• Free Acid Content: No More Than 0.5%
• Application: Insulating Paint, Chain Extender, PVC Plasticizer
• Certification: ISO9001, BV, SGS, Reach, CE
• Delivery Time: Prompt Shipment
• Payment Method: T/T, L/C, D/P, D/a, OA etc.
• Transport Package: Aluminum Foil Bag Inner Bag Carton + Pallet Packag
• Specification: 99.8% minimum
• Trademark: AQ
• Origin: China
• HS Code: 2917399090
• Production Capacity: 100metric Tons Per Month

Product Description

Item	Top Grade	First Grade
Product Name	Pyromellitic Dianhydride;PMDA;1,2,4,5-Benzenetetracarboxylic Anhydride
Content (w, %)	≥99.5	≥98.0
CAS NO	89-32-7
EINECS No.	201-898-9
Appearance	White crystal powder
Melting Point (ºC)	285-288	283-286
Free acid content	0.5% max
Neutralization Equivalent	54.5±0.2
Specific Gravity	1.680
Molecular Formula/ Weight	C10H2O6/ 218.12
Application	Used for making polyimide film, resin, powdery paint, delustering agent,advanced electrical insulation material,high temperature resistant electric insulating paint, PVC plasticizer, synthetic resin crosslinking agent and epoxy resin curing agent

Pyromellitic dianhydride application
Pyromellitic dianhydride is mainly used as raw material of polyimide, curing and polishing agent of epoxy
resin and crosslinking agent of polyester resin.Used for manufacturing polyimide film, polyimide resin,
powder coating matte agent, advanced electrical insulation materials.Pyromellitic dianhydride used to make
polyimide resin, high temperature resistant electric insulating paint, PVC plasticizer, synthetic resin
crosslinking agent and epoxy resin curing agent, also used to make phthalocyanine blue dye, etc.

Pyromellitic dianhydride product package

1.Inside the aluminum foil bag, packed in cartons and pallets, with a net weight of 20kg, placed in a cool
and dry place, strictly sealed for preservation and moisture proof.

2. Inside aluminum foil bag, packed in drums and pallets, net weight 25kg, placed in a cool and dry place,
strictly sealed for preservation, moisture proof.

3. Customized packaging is also available according to customers' requirements.
Our services
1.We have over 20 years producing experience, adopt advanced production and inspection equipment,
optimize production process, to guarantee and improve product quality.
2. Provide samples free of charge.
3. Factory price, no middleman increases costs.
4. Packaging can be customized according to customer requirements
5. We provide commercial invoice, packing list, shipping order, COA, health certificate and certificate of
origin, etc. If your market has any special requirements, please let us know.
6. We can accept various payment methods, such as L / C, t / T, D / A, D / P, O / A, PayPal, Western Union,
etc
7. Timely delivery. We have good cooperation with many professional freight forwarders. Once you confirm
the order, we can send the products to you.
FAQ
Q1: Are you manufacturer?
A1:Yes, we are professional manufacturer

Q2:Can I get a sample?
A2:Surely, few quantity samples can be provided for free, but the courier cost should be paid by you first,
and we will return to you in our first cooperation.

Q3:What's your supply capacity?
A3:Our supply capacity of purified PMDA is:100 metric tons/month.

Q4:What's your delivery time?
A4:Usually we will arrange the shipment in 2-3 weeks.