Synonyms4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione;1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazoline

Molecular Formula:C19H20N2O2

CAS number:50-33-9

Molecular Weight:308.38

Characteristics:White or almost white crystalline powder

Identification: B.UV C. IR D.chemical test

Melting point:104 ~ 107oC

Appearance of solution:The solution is clear

Acidity OR Alkalinity:NMT 1.0ml NaOH/g;NMT 1.2ml HCL/g

Absorbance:NMT 0.20 at 420nm

Related substances:NMT 0.5%

Heavy metals:NMT 0.002%

Loss on drying:NMT 0.20%

Sulphated ash:NMT 0.10%

Assay: 99.0% ~ 101.0%

Please contact Jennifer through zbexporting09(at) gmail(dot) com

Welcome to DAXINGANLING LINGONBERRY GROUP-ZHONGBEI NORTHLAND BIO-CHEM INDUSTRY CO.,LTD,a global chemical providers since 2002, is specialized in developing, manufacturing and marketing active ingredients with high bio-activity and safety, serving the nutritional supplements and functional food ,cosmetic and pharmaceutical industries.

Characteristics:

Honored with the title of No. 1 Strong Foreign Trade Enterprises by Heilongjiang Provencial Government.
Warehouses located in the US;
Strong sourcing capability of working with over 100 manufacturers in China;
GMP standard workshops for natural pigment, traditional drug extracts, chemical-synthetic , Auxiliary workshops under 13000 square metres
Quality assurance system;
In-house and third party laboratories;
R & D laboratory with 27 technical persons.Production with 164 workers
Passed through ISO9001
All the products we produce and sell are of good quality and new technology.We shall bring into full play our advantages to provide excellent and all-round service for our customers by right of our integrated service capability, abiding by the principle of pursuing Sincerity, Credit, Safety and Nicety.