Protocatechualdehyde 3, 4-Dihydroxy Benzaldehyde CAS 139-85-5 Protocatechuic Aldehyde

• CAS No.: 139-85-5
• Formula: C7h6o3
• EINECS: 205-377-7
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Model NO.: Protocatechualdehyde
• Colour: White
• MW: 138.12
• Color: Crystalline Protocatechuic Aldehyde
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• Transport Package: 25kg/Bag
• Specification: 99%
• Trademark: Guanlang
• Origin: China (Mainland)
• HS Code: 29152200
• Production Capacity: 100ton/Year

Product Description

This is Summer , come from Hebei Guanlang , We have 3,4-Dihydroxy benzaldehyde CAS 139-85-5 in stock now.  If you want to find 3,4-Dihydroxy benzaldehyde CAS 139-85-5 supplier, please feel free to contact me .  We are 3,4-Dihydroxy benzaldehyde CAS 139-85-5 supplier in China.  

 

Products Description 

3,4-Dihydroxybenzaldehyde is an organic synthesis intermediate, and is used in the pharmaceutical industry to manufacture an anti-angina drug nitropyridine (Xintongding); the nitro group is reduced to an amino group to become an aminobenzaldehyde

Name	3,4-Dihydroxybenzaldehyde
other name	Protocatechualdehyde
CAS NO.	139-85-5
Molecular Formula	C7H6O3
Molecular Weight	138.12
EINECS	205-377-7
Appearance	White Powder
Purity	99% Min
Density	1.409g/cm3
M.P.	150-157 °C(lit.)
B.P.	295.4ºC at 760mmHg
Refractive Index	1.674
Flash Point	146.7ºC

 

Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.  

Safety Information 
Non-hazardous for air, sea and road freight.
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

 

If you need product list, please contact me.
 

 

By Express	By Air	By Sea
Suitable for under 50kg	Suitable for more than 50kg	Suitable for more than 500kg
Fast: 3-7 days	Fast: 3-7 days	slow: 3-7 days
High cost	Medium cost	Low cost
Door to door service	Port to port service	Port to port service

Company Profile

Hebei Guanlang Biotechnology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern hightech chemical enterprise with Research & Development, production and sales.

Our company has strong technical strength, advanced equipment, strict quality management system and high-quality aftersales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival. All for the customers' satisfaction, all for the longterm healthy development of the enterprise. In the past 10 more years, we have been strictly managing the whole trade process, focusing on every detail, providing customers with allround services such as product purchase, R & D, quality control, logistics management and so on, and become  reliable cooperation company and partner for our clients. Nowadays We formed large varieties, large scale, complete categories, refined degree, added value and high technology content product chain .There are several series including pharmaceutical products, food grade additives, industrial grade, fertilizer grade and mineral products.

In recent five years, the company has implemented the strategy of "going out" vigorously. We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect. Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation, and strive to become to the leading of Chinese chemical industry.

As a way to use the resource on the expanding info in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality items we offer, effective and satisfying consultation service is supplied by our qualified after-sale service group. Item lists and detailed parameters and any other info weil be sent to you timely for the inquiries. So please make contact with us by sending us emails or call us when you've got any questions about our organization.
 

Certifications

FAQ

 

Q1: Can I get some samples? 
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments? 
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union .

Q3: How to confirm the Product Quality before placing orders? 
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What's your MOQ? 
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery leadtime? 
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6:Is there a discount? 
A:Different quantity has different discount.

Q7: How do you treat quality complaint? 
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.