• Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
  • Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
  • Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
  • Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
  • Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
  • Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3

Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3

CAS No.: CAS 99-50-3
Formula: C7h6o4
EINECS: 202-760-0
Type: Pharmaceutical Intermediates
Appearance: Liquid
Quality: Industrial
Samples:
US$ 0.1/kg 1 kg(Min.Order)
| Request Sample
Customization:
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  • Overview
  • Company Profile
  • Packaging & Shipping
  • FAQ
Overview

Basic Info.

Model NO.
CAS 99-50-3
Colour
White
Transport Package
Drum
Specification
25kg
Trademark
huasheng
Origin
China, Shandong
Production Capacity
1000ton

Product Description

 
Protocatechuic acid Basic information
Product Name: Protocatechuic acid
CAS: 99-50-3
MF: C7H6O4
MW: 154.12
EINECS: 202-760-0
Mol File: 99-50-3.mol
Protocatechuic acid Chemical Properties
Melting point  197-200 °C (dec.) (lit.)
Boiling point  237.46°C (rough estimate)
density  1.54
FEMA  4430 | 3,4-DIHYDROXYBENZOIC ACID
refractive index  1.6400 (estimate)
storage temp.  Store below +30°C.
solubility  20g/l
pka 4.48(at 25ºC)
form  Fine Crystalline Powder
color  Beige to brown
Water Solubility  Soluble in hot alcohol and ether. Slightly soluble in water.
Sensitive  Air Sensitive
Merck  147,894
BRN  1448841
Stability: Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey YQUVCSBJEUQKSH-UHFFFAOYSA-N
CAS DataBase Reference 99-50-3(CAS DataBase Reference)
EPA Substance Registry System Protocatechuic acid (99-50-3)
 
ITEM
STANDARD
TEST RESULT
Specification/Assay
≥98.0%
99.15%
Physical & Chemical
Appearance
White powder
Complies
Odor & Taste
Characteristic
Complies
Particle Size
≥95% pass 80 mesh
Complies
Loss on Drying
≤5.0%
2.55%
Ash
≤5.0%
3.54%
Heavy Metal
Total Heavy Metal
≤10.0ppm
Complies
Lead
≤2.0ppm
Complies
Arsenic
≤1.0ppm
Complies
Mercury
≤0.1ppm
Complies
Cadmium
≤1.0ppm
Complies
Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
Company Profile

Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3

Packaging & Shipping

Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3

Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3
Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3


Packaging: According to customer requirements


Transportation:Door to Door
Shipping can be DHL, UPS, TNT, EMS, Fedex, etc.
For large orders, they will be delivered by air or sea.  
 
Weight Package
<25KG By foil-alum bag/pap/bottle
≥25kg Package: 25kg/drum/bag or as your request
 
FAQ

Neural Protection Pharmaceutical Intermediate Protocatechuic Acid with 99% Purity CAS 99-50-3Q1  Can i get some samples
A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2  How to start orders or make payments
A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.                Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3  How to confirm the Product Quality before placing orders
A3  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
A4  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
A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6  Is there a discount
A6  Different quantity has different discount.
Q7  How do you treat quality complaint
A7  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.
Q8  How to contact us
A9  You can chat with us by Trademanager,MSN&Skype Online.
       You can choose your interested products and send inquiry to us.
       You can dial our telephone directly or send Email to us., you will get our reply.

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Diamond Member Since 2021

Suppliers with verified business licenses

Manufacturer/Factory
Registered Capital
30000000 RMB
Management System Certification
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000