139-85-5 High Purity Chemicals 100% Natural and Organic Intermediat 3,4-DIHYDROXYBENZALDEHYDE PROTOCATECHUIC ALDEHYDE CSA NO 139-85-5

 

 

Protocatechuic aldehyde Product description
Name	Protocatechuic aldehyde
Appearance	Pale yellow to pale grey Powder
Purity	99%min
Molecular Weight	138.12
Density	1.409g/ml
Melting Point	150~153℃
Total Impurities	<1.00%
Single Impurity	≤0.2%
Molecular Formula	C7H6O3
CAS	139-85-5
EINECS	205-377-7

 

                

 

 

 

 

 

 

 

 

 

Changzhou Xuanming Chemical CO, LTD is dedicated to the technology development, manufacturing, import and export chemicals, including pharmaceutical

intermediates, pesticide intermediate, industry of fine chemicals and custom synthesis. Now, we enjoy good reputation among customers and take favorable

market share in domestic and at abroad.

Changzhou Xuanming Chemical CO., LTD is located in Northern Jiangshu Industry Park, we have modern manufacture bases and some laboratories, which

can supply the key intermediate for your projects, and short your synthesis scheme and supply you a reference compound for bioassay or a high purity

analytical standard. We have been abided by “treat technology as first, quality as basis, customers as God, and be honest and sincere”. It is our final aim

to provide environmental and high technological products and meet customers’ requirements according to keep efforts on developing new chemical fields.

Changzhou Xuanming Chemical CO., LTD promises to help you with heart and soul.

 

 

Q1: Are you a manufacturer?

A: Yes, We manufacture bulk products in our factory located in Changzhou,and produce small quantity and customer synthesis products in our lab located in Jiangsu.

Q2: Do you have stock?

A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.

Q3: What certificates and documents do you offer?

A: Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.

Q4: Why should I choose you?

A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over 8 years, in average.Strict quality control-comes form our sophisticated management system.Professional and warm sales team-since we believe we can only win via our hard work in a competitive world

Quick response and excellent presale and after sale service-since we believe our customers deserve all the best service

Q5: Can I get best price from you?

A: Of course. We don't chase excessive profits and always try tp give best offer. If you are good at bargaining, you can also enjoy fun of bargaining. Just don't make it too hard!

Q6: How should I pay?

A: We accept all kinds of payment ways. such as alibaba trade asssurance, T/T, West union, MoneyGram.

Q7: Can I get some samples?

A: Yes, we can supply free sample, while, the delivery charges should be paid by customers.

Q8: What is your MOQ ? 

A: Our MOQ is 1Kg or 1L, but we can accept less quantity usually, such as 100g, on

condition that the goods charges is 100% paid.

Q9: How about the delivery time?

It is about 3-5 days upon the receiving of payment.

Q10. Is there any discount?

Different quantity has different discount.