High Quality 1,2-Propanediol CAS NO.57-55-6

 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.

Functions

• Propylene glycol is used as raw materials for resins, plasticizers, surfactants, emulsifiers and demulsifiers, as well as antifreeze and heat carriers.
• Propylene glycol is used as gas chromatography stationary liquid, solvent, antifreeze, plasticizer and dehydrating agent.
• Propylene glycol is mainly used for the extraction solvent of various spices, pigments, preservatives, vanilla bean, roasted coffee granule, natural flavor and so on. A moisturizing and softening agent for candy, bread, packaged meats, cheeses, etc. It can also be used as anti - mildew agent for noodle and filling core. Add 0.006% to soy milk, which can make the flavor unchanged when heating, and make white and glossy packaging bean curd.

Test ItemsSpecificationTest ResultColor(APHA)10Max<10Water0.2% max0.06%Specific gravity(25℃)1.035-1.0371.036Refractive index(25℃)1.4307-1.43171.431Distillation range(L) ℃184-189184Distillation range(U) ℃184-189189IdentificationPassedPassedAcidity0.20ml max0.10mlChloride0.007% max<0.007%Sulfate0.006% max<0.006%Heavy metals5ppm max<5ppmResidue on ignition0.007% max0.00%Organic volatile impurity chloroform60μg/g maxNon-detectedOrganic volatile 1.4 dioxane380μg/g maxNon-detectedOrganic volatile impurity 600μg/g maxNon-detectedmethylene chlorideOrganic volatile impurity trichloroethylene80μg/g maxNon-detectedConclusionThe product above complies with enterprise standard