调教少妇视频_天天躁日日躁bbbbb_依人综合_亚洲大尺度在线观看 - 精品中文字幕一区二区三区av

Products
Phenacetin

Product Name:Phenacetin

CAS No.:62-44-2

EINES:200-533-0

Other Names:Acetophenetidin,Acetophenetin

Descriptions:

Phenacetin is a white crystalline powder with the chemical composition C10H13NO2.It was first developed by harmon northrop morse in 1878. In addition to its pain-reducing properties, it also has been used as a fever-reducer, a treatment for rheumatoid arthritis and a treatment for intercostal neuralgia, a rare disorder that causes pain in the nerves around the ribs.

Key Technical Parameters

Description

Should comply with the standard

Identification

Should be positive reaction

Melting point

134℃ to 136℃

P-Phenetidine

≤Brownish red 4#

4-Chloroacetanilide

Should comply with the standard

Sulphated ash

≤0.1%

Content

≥99%

Back