Factory Supply High Purity Protocatechualdehyde / 3, 4-Dihydroxy-Benzaldehyde CAS 139-85-5

• CAS No.: 139-85-5
• Formula: C7h6o3
• EINECS: 205-377-7
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: Lullaby
• Colour: White
• MOQ: 1 Kg
• Molecular Weight: 138.12
• out Packing Size: 300*400
• Shelf Life: 2 Years
• Sensitive: Air Sensitive
• Transport Package: 1kg/Bag
• Specification: Purity: 99%
• Trademark: Lullaby
• Origin: Hubei China
• HS Code: 29124900
• Production Capacity: 1000kg/Month

Product Description

Factory Supply High Purity Protocatechualdehyde / 3,4-dihydroxy-benzaldehyd CAS 139-85-5

Product Name	Protocatechualdehyde / 3,4-dihydroxy-benzaldehyd
CAS NO.	139-85-5
Appearance	Yellow Powder
Purity	99%
Density	1.2667
Melting Point	150-157 °C
Boiling Point	213.5°C
Refractive Index	1.4600
Acidity Coefficient (pKa)	pK (25°) 7.55
Water Solubility	50 g/L (20 ºC)
Application	Chemical raw materials; Food additives
Usage	Used in organic synthesis; pharmaceutical intermediates, can be used to synthesize a variety of antibiotics and anti-inflammatory drugs, have the effects of anti-inflammatory and increase coronary blood flow, is the effective ingredient in Sijiqing leaves for anti-angina pectoris, is the main effect of old man grass in the treatment of nephritis One of the ingredients; also used in perfume synthesis
Storage	Sealed in dry,Room Temperature
Chemical Structure

FAQ
 

Q1. What is about your company strength?
A: Established in 2012, we have more than 8 years of experience in chemical industry.We can provide 10000+ kinds of API, intermediates, reagents & dyes, with high reputation in the industry.

Q2. What's your MOQ?
A: For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low, price product, our MOQ starts from 100g and 1kg.

Q3. 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 quality problem caused by us, we will send you free goods for replacement or refund your loss.

Q4. What is about the delivery time?
A: The goods of small quantity will be sent out in 3 working days. For bulk cargo, we will book the cargo space once the order is confirmed. Usually we will arrange the shipment in 7 -15 days.

Q5. How about the packing?
A: Usually we provide the packing as 25 kg/bag or carton. Powdered Packaging: 20/25kg/bag/ drum/can or according to client request. Liquid Packaging: 200-220kg drum or according to client request. Of course, if you have special requirements on them, we will according to you.

Q6. What payment terms are acceptable?
A: Trade assurance, T/T, Western Union, Money gram. PayPal, L/C, etc.

Q7. Can you give me a discount price?
A: Surely, it depends on your required quantity.

Q8. Why I can not find the product I require in this shop?
A: You can contact with us since we, Wuhan Lullaby supply comprehensive and series chemical intermediates and some other scientific & healthy materials, we didn't upload all our list on this site.