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Trimethylolpropane(TMP)

Trimethylolpropane(TMP)

Product Name: Trimethylolpropane (TMP)
CAS: 77-99-6
EINECS: 201-074-9
Molecular Formula: C6H14O3
Molecular Weight: 134.17
Appearance: White crystalline flakes or powder, soluble in water, ethanol, acetone; slightly soluble in benzene and carbon tetrachloride
Purity: 98.0%, 99.0%
Packing: 25kg/bag (PE inner liner)
Main Applications
1. Resin synthesis: Key monomer for alkyd resin, polyurethane resin and polyester resin to improve hardness and water resistance of coatings.
2. Coatings: Raw material for high-grade paint, baking finish and waterborne coatings.
3. Fine chemicals: Synthesis of plasticizers, surfactants and lubricants.
4. Others: Raw material for explosives, aviation lubricants and polyol modifiers. 

Trimethylolpropane (TMP, CAS 77-99-6), polyol for alkyd resin, polyurethane and coating. High purity, sample & bulk supply, COA available.

FAQs
Q: Can you provide a typical COA (Certificate of Analysis)?

A: Yes, we can share a sample COA for your reference. Actual batch COA will be issued together with shipment documents.

Q: What are the main applications of this product? Do you have experience in my application field?

A: We can share its main application scope. We have rich experience in fine chemical, pharmaceutical intermediate and new material sectors. Please tell us your specific usage, we will check and support you.

Q: What QC instruments do you have (HPLC, GC, ICP, Karl Fischer)?

A: Our lab is equipped with HPLC, GC, ICP, Karl Fischer moisture tester, melting point apparatus and other related test equipment for full index inspection.

Q: Is every batch tested before shipment? Will the COA be issued per batch?

A: All batches are fully tested prior to delivery. One independent COA will be issued for each batch.

Q: Do you keep retention samples? For how long?

A: We reserve retention samples for each batch. Normally we keep samples for 13 months after shipment.

Q: What is your policy if the goods fail to meet the agreed specification on arrival?

A: We support third-party verification. If confirmed off-spec due to our responsibility, we will arrange rework, replacement or refund as agreed.

Q: How do you handle quality claims? Time limit for claims? Any compensation procedure?

A: Quality claim shall be notified within 15 working days after receipt of goods. Please provide photos, test report and batch COA. We will review and give a solution within 4 working days.

Q: What is the normal lead time after order confirmation? For a first trial order? For regular orders?

A: Trial order: 7-15 working days. Bulk regular orders: 15-25 working days. Stock items can be delivered faster.

Q: Is the production in-house or outsourced? Is the factory the same entity as the exporter?

A: We adopt multi-base cooperative production mode. We are the exporter and responsible for quality control and delivery.

Q: Is the product classified as dangerous goods? What is the UN number, class and packing group??

A: Classification depends on the specific product. We will provide SDS, UN number, hazard class and packing group together for formal order.

Q: How does the price change with quantity? Can you give tiered pricing?

A: Yes, we offer tiered pricing based on order quantity. Larger quantity enjoys better unit price.

Q: What is the melting/freezing point? Is winter shipment an issue?

A: Melting point data is shown on COA. For easy-crystallized products, we adopt heat preservation packaging for winter shipment.

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