CAS No. 143874-13-9 (Benzene,4-ethynyl-1,2-difluoro- ) CAS NO.143874-13-9

1 Factory price

2 High quality

3 Good service

4 Prompt delivery chengdu and import and export trade co., LTD., who registered capital of 10 million yuan, nearly  to $2 million, we  have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also  has the advantage of high quality in Africa. in the past two years our products  has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!

CAS:
143874-13-9
Precise quality: 138.02800
Molecular formula: C8H4F2 logP: 1.94610
Molecular weight: 138.11400 PSA: 0.00000
Enquiries to check the supplier immediately


Using WeChat scan, pay attention to the encyclopedia
Basic information about error correction
Chinese name: 3, 4 - two fluorine benzene acetylene Chinese alias: 4 - acetylene - 1, 2-2 fluorine benzene;4 - ethinyl - 1, 2-2 fluorine benzene;Alias: English name: 3, 4 - Difluorophenylacetylene English - ethynyl - 1, 2, 4 - difluorobenzeneCAS no. : 143874-13-9 formula: C8H4F2 molecular weight: 138.11400 the precise quality: LogP 138.02800:1.94610
Physical and chemical properties of error correction
Density: 1.17 g/cm3 boiling point: DHS C at 760 mmHg flash point 145.9:31.4 DHS C refractive index: vapor pressure: 1.4902 5.998 mmHg at 25 ° C
Safety information error correction
Hs code: 2903999090 transport of dangerous goods code: UN dangerous category code 1993 3 / PG 2: R11 dangerous mark: F: Flammable;
Customs data to check the details

Chinese customs code: 2903999090Specifications

Molecular Weight:138.11 
Spec / Purity: 98%min 
Supply Capacity: As requested 
Application: Fine Chemicals