Pyrrole

Your Leading Pyrrole Supplier

 

Hubei Yuecheng Dehong Biotechnology Co., Ltd. is a manufacturer of Guanidine Hydrochloride and Guanidine Thiocyanate and later expanded its production line to other chemical products. Yue Cheng De Hong is responsible for distributing the final products which are chemical intermediates in pharmaceutical, agrochemical, metallurgy and speciality chemical synthesis to its end consumers. After the reorganization, De Hong will be more committed to delivering better services to its customers as a distribution division. We offer a wide variety of pyrroles, including N-Ethyl-3-hydroxypyrrolidine, N-Methyl-3-hydroxypyrrolidine, and others.

 

 
 
Why Choose Us?
 
 
 

Rich Experience

Yue Cheng which has over 20 years of expertise since 2003 in the production and distribution of chemical products.

 
 

Professional Team

We are a group of professionals with years of experience in sales of chemical goods, and potential clients in a much more dedicated way.

 
 

Wide Product Range

We sell over 60 different chemical products, covering from agrochemical intermediate, pharmaceutical intermediate, and raw materials for cosmetics and hair products.

 
 

Quality Assurance

The company has established comprehensive product standards and specifications, and all chemical products meet the requirements of the ISO 9001 quality management system.

 

 

Types of Pyrrole

 

N-Ethyl-3-hydroxypyrrolidine

N-Ethyl-3-hydroxypyrrolidine has major applications in the fields pharmaceuticals, agrochemicals and chemical researches. It is an essential drug intermediate for making CNS drugs, specifically antidepressants and antipsychotics by acting as a modulator for dopamine and serotonin.

N-Methyl-3-hydroxypyrrolidine

N-Methyl-3-hydroxypyrrolidine is the drug intermediate that can be used in the synthesis of antipsychotics by acting as a modulator for dopamine receptor. It is also used in the synthesis of antivirals by acting as HCV protease inhibitor and local anesthetics through its pyrrolidine derivatives.

N-Ethyl-3-hydroxypyrrolidine

 

Specifications of Pyrrole

 

 

CAS RN

13220-33-2

Molecular Formula

C5H11NO

Molecular Weight

101.15 g/mol

Synonyms

1-Methyl-3-pyrrolidinol,
1-Methylpyrrolidin-3-ol,
N-Methyl-3-pyrrolidinol

Appearance

Colorless to pale yellow liquid

 

N-Methyl-3-hydroxypyrrolidine

 

Properties of Pyrrole

The odour of pyrrole is a kind of nutty odour. It is a colourless volatile liquid but when exposed to air it changes its colour easily and darkens. Before any application, it is usually purified.

The IUPAC name of pyrrole is 1H-Pyrrole.

Similar to thiophene and futon compounds it is also a five-membered aromatic heterocyclic compound.

Unlike furan and thiophene, it features a dipole in which the end with a positive charge is on the side of the heteroatom with a dipole moment of 1.58 D.

Pyrrole is a weakly basic compound with a conjugate acid dissociation constant of (pKa) of −3.8.

The pyrrolinium cation (C4H6N+) which is most thermodynamically stable is formed through protonation at the 2nd position.

When pyrrole is substituted with substituents of alkyl it provides a more basic molecule, for example, tetramethyl pyrrole has a conjugate acid pKa of +3.7.

It is also a weakly acidic compound at the nitrogen and hydrogen position, with an acid dissociation constant value of 16.5.

The molecular weight of pyrrole is 67.09 g/mole.

The boiling point is 130.5°C (266.9°F) and the melting point is -23°C (-9.4°F).

 

 

Uses of Pyrrole

The derivatives of pyrrole and pyrrole themselves are widely used as an intermediate in the synthesis of agrochemicals, medicines, dyes, pharmaceuticals, perfumes, photographic chemicals and other organic compounds. For example, heme and chlorophyll are the derivatives of pyrrole that are made by four pyrrole ring formation of the porphyrin ring system.

Pyrrole derivatives are used in medicinal uses such as enzyme inhibiting, anti-microbial, anti-viral, antitubercular, anti-malarial, anti-inflammatory and anticancer properties. Compounds formed with rings of the pyrrole are also precursors to certain drugs.

Pyrroles are taken in the application as scarlet, lightfast red and carmine pigments.

N-Methyl-3-hydroxypyrrolidine

 

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Packaging of Pyrrole

• Plastic and Iron Drum (50kg)

 

Storage Conditions of Pyrrole

 

 

•Store in tightly closed containers in a cool, well-ventilated area away from sunlight, plastic, rubber and coatings.
•Sources of ignition, such as smoking and open flames, are prohibited where pyridine is used, handled, or stored.
•Metal containers involving the transfer of pyridine should be grounded and bonded.
•Use only non-sparking tools and equipment, especially when opening and closing containers of pyridine.

 

Transportation of Pyrrole

 

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FAQ

 

Q: How can I get a sample?

A: Free samples for some products is available, but freight charges will be at your account and the charges will be return to you or deduct from your formal order in the future.

Q: How can we guarantee quality?

A: Always a pre-production sample before mass production; Always final Inspection before shipment.

Q: Can you give me a discount price?

A: Surely, It depends on your qty.

Q: Which kind of payment terms do you accept?

A: You can pay by TT, Western Union , Alibaba trade assurance etc .

Q: How to start orders or make payments?

A: You can send a confirmation by Inquiry or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, and send it to your E-mail. You can make payment accordingly.

We're well-known as one of the leading pyrrole manufacturers and suppliers in China. Please rest assured to buy bulk high quality pyrrole for sale here from our factory. For quotation, contact us now.

N-Ethyl-3-hydroxypyrrolidine, N-Methyl-3-hydroxypyrrolidine, pyrrole