3,4-Dihydroxybenzoic acid / Protocatehuic acid CAS NO.99-50-3

Hebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Citric acid/citric acid anhydrous 、 titanium dioxide / Titanium white powder 、 enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environmental protection safety smooth" call and support form, the bold innovation on traditional production equipment and technology, using "li tao cylinder" and "plastic basin of crystallization technology, on the basis of reducing the product cost make the product quality to achieve the same industry leading level.In the company all staff's efforts, for decades in shandong province guangdong, henan and other places set up several partners, quality inspection department in the company, under the close supervision of a production and sales in the form of "label", provide the fastest speed convenient service for users across the country.

1.lowest price 

2.good service

3.best quality 

4.rich experience 

5.support sample

3,4-Dihydroxybenzoic acid / Protocatehuic acid 

Appearance:

White to light yellow crystal powder

Molecular Weight:

154.12

Density:

1.559 g/cm3

Boiling Point:

410.7 oC at 760 mmHg

Melting Point:

198-202℃

Flash Point:

410.7 oC at 760 mmHg

Storage Temperature:

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Solubility:

Very soluble

Stability:

Stable. Incompatible with strong oxidizing agents, strong bases.

Usage:

            Antioxidant.

Our Services
 

1,High quality with competitive price in 
2,Fast and safe delivery
3,Our products are with mature Technical support.
4,We have clients throughout the world.

FAQ

1. What's your payment terms
T/T or L/C,
2. What's your delivery time
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing  
Usually1kg/bag;25kgs/drum or according to your individual requirements

4. How about the validity of the products  
According to the products you ordered.
5. What documents you provide  
Usually, we provide Commerical Invoice, Packing List, Bill of loading,

COA , and Origin certificate.

If your markets have any special requirements, let us know.
6. What is loading port
Usually is Shanghai or qingdao Port.
5,Professional service and rich experience make customers feel at ease,
6, Market feedback and goods feedback are appreciated, meeting customers's requirement is our responsibility.

Packaging and Delivery

3,4-Dihydroxybenzoic acid / Protocatehuic acid 

Appearance:

White to light yellow crystal powder

Molecular Weight:

154.12

Density:

1.559 g/cm3

Boiling Point:

410.7 oC at 760 mmHg

Melting Point:

198-202℃

Flash Point:

410.7 oC at 760 mmHg

Storage Temperature:

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Solubility:

Very soluble

Stability:

Stable. Incompatible with strong oxidizing agents, strong bases.

Usage:

            Antioxidant.