Products Description
Product:3,4-Dihydro-2H-pyran
Molecular weight: C5H8O
Appearance: Colourless to light yellow clear liquid.
CAS Number:110-87-2Usage: 3,4-Dihydropyran is widely used for hydroxyl protection. It is also used to produce pentanediol, glutaric
acid, valerolactone, pentadiene through polymerization, hydrogenation, oxidation and other reactions.
Packing: 160kg/drum.
FAQ:
1.Are you manufacturer or trading company?
A:We are manufacturer and welcome to visit our factory.
2.How to confirm the product quality before place an order?
A:We can provide you with sample .Also we have the inspection report issued by the authoritative third- party testing agency.
3: What's your MOQ?
A:It's depend on different products. We accept sample order. Also for some products we can provide you with free sample.
4:Do you provide after sales service?
A:We provide 24-hour customer service. If you encounter any product quality problems or transportation problems, please feel free to contact us.
5:How about delivery time and method?
A:We usually shipping within 3-5 working days after payments.
We can shipping by sea, air and express. Also can make door to door shipping.
6:How to solve the after-sale disputes?
A: We accept changing or refunding service if any quality problem.
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