Chlorhexidine hydrochloride


N-Methyl-2-pyrrolidinone paramete

CAS No.: 872-50-4
Place of Origin: Shandong, China
Purity: 99.0%min
Model Number: ELLEN
Appearance: Colorless Transparent Liquid
MW: 110.5
Melting point: -40°C
Specific rotation: -0.9°C (neat)
Refractive index: n20/D 1.48(lit.)
Storage: 2-8°C
EINECS No.: 872-50-4
Type: Pharmaceutical Intermediates, Syntheses Material Intermediates
Brand Name: Lookchem
Application: Pharm Intermediates
Color: Colorless to light
Boiling point: 213 °C(lit.)
Density: 1.321 g/mL at 20 °C(lit.)
Flash point: >230 °F


  Project index
Reagent grade Electronic grade Industrial grade Ordinary
Purity/(wt%) 99.9 99.9 99.8 99.5
Moisture/(wt%) 0.01 0.02 0.05 0.10
Chromaticity (Hazen) 10 15 25 30
Density(D 20) 4 1.029~1.033 1.029~1.035
Refractive index(N 20) D 1.467~1.471
pH value(10%,v/v) 7~9 7~10 ——
Free amine (calculated as monomethylamine)/(wt%) 0.0015 0.003 0.01 ——


1.It is an excellent solvent, widely used in aromatics extraction, oil refining, acetylene concentration, synthetic gas desulfurization and other extraction agents, also used in industrial cleaning

2.It is widely used in refining high grade lubricating oil, synthesis of polymer, insulating material, pesticide, pigment and cleaning agent

3.Solvents. Organic synthesis.

4.It is used in aromatics extraction and purification of acetylene, olefin and diolefin. Used as solvent for polymer and medium for polymerization reaction, such as polyamide, polyimide, polyphenylene sulfide and other engineering plastics and aramid fiber

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: 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.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: 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.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Storage for one year in shady room and dry place.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


180KG /drum or according to your requirements.

Delivery detail

   [Delivery] 5 working days after payment.

N-Methyl-2-Pyrrolidone picture

Packaging and shipping

Honor Certificate

Professional team