Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

 

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

 

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

 

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

 

 White to almost white crystalline powder

 

2.Specification

 

Item	Specification
Appearance	White to almost white crystalline powder
Content	≥99.0%
Loss on drying	≤0.8%
Melting point	165~169℃

 

3.Application:

 

Phase transfer catalyst (measuring oxalic acid of plant issue and root secretion via reverse-phase high-performance liquid chromatography, such as surfactant, catalyst, emulgator, disinfector , bactericide, antistatic agent, etc., as substance of water solution system). 

 

4.Packing

 25kg Carton Barrel / Paper Bag   

 

5.Storage

a, Stored in cool, dry and ventilation place

b, Away from fire and heat

c, Handle with care and no breakage

 

6.Delivery

Common chemical for Land, Sea and Air deliver

 

 

Company introduction

 

 

 

1. Establishment: Founded in 1993. 

 

 

 

2. Main product: New catalysts, especially phase transfer catalysts (PTC).

 

 

 

3. Location: Headquartered in Jiangyin city, Jiangsu with several production bases

 

 

 

4. Technology:  Establishes PTC processing, synthesis and pilot workshops, analysis and application labs, makes long-term exchange and cooperation with scientific research institutions including Zhejiang University, and keeps a leading position in the field of technology.