2,5-Dimethyl-3-Hexyne-2,5-Diol CAS NO.142-30-3

【Chemical Name】2,5-Dimethyl-3-Hexyne-2,5-Diol
【Synonym】Dimethylhexynediol; Tetramethyl-2-butynediol
【CAS No】142-30-3
【Molecular Formula】C8H14O2           
【Molecular Weight】142.20
【Structural Formula】

【Properties】White crystal or flake; Density: 0.949g/cm3 (20/20℃). MP: 94-96℃. BP: 205-206℃. Soluble in water, acetone，glycol, ethyl ketone .Insoluble in benzene, petroleum aether and carbon tetrachloride. No deliquescence.
【Specification】≥99% (GC)
【Packing】25kg/bag,Composite woven bag(plastic bag inside)or PE bag.
【Storage&Transportation】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. protected against rain and damp,  Avoid to contact water or moisture and oxidant during Storing&Transporting.
【Usage】Used as intermediate material in producing of surfactant, spice, herbicide, adhesive and polyester polyalcohol in polyurethane production as well as of assistants of metal surface treatment, lubricants of electrical wire, organic-peroxide, brightener in metal plating industry, polyhydroxylated compound of alkyd resin,and in synthetizing of peroxide catalyst and cross-linking agent, coupler in resin coating of cloth and paper, modifier of synthetized resin and surfactant etc

Q&A:

1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.

2.How  to start an order

After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.

3.What’s your payment terms

If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.

4.Can I get a free sample

If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.

5.What's the lead time
Generally we send out your order ASAP after payment,normally

small quanitity,3-5days.

big quanitity with stock,5-7days,

if without stock,we have to calculate the production period,then give you the lead tme.

6.How do you ship the order normally

If less than 50kg,will be shipped by express,such as FEDEX,DHL.

If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.

7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.

Meanwhile,we will responsible for the goods quality after be sold.