亚洲国产精品久久久久秋霞影院,国产欧美日韩在线观看超a,精品国产福利视频在线观看,久久久久成人精品无码中文字幕,国产精品制服

Yancheng FineChem Co., Ltd.

Neostigmine Methylsulfate USP35
Neostigmine Methylsulfate USP35
甲硫酸新斯的明 USP35

Product name: neostigmine metilsulfate; 3-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethylbenzenaminium methyl sulfate; Neostigminmethylsulfat;

Molecular formula: C13H22N2O5S

Molecular weight: 334.39

CAS No.: 51-60-5

Physical properties

Appearance

White to almost white crystalline powder

Melting point

144-149

Specification

Item

Technical indicators

Identification A:Infrared absorption method

no difference

B:Coloring reaction

Produce cherry red

C:precipitation reaction

Produce white sediment

Description

White crystalline powder or colorless crystalline powder

Solubility

Dissolved in water, ethanol, colorless and transparent

Content %

98.0-102.0

Loss on drying %

≤1.0

Ignition residue %

≤0.1

Chloride ion (CL-)

There was no immediate milky white.

Sulfate ion(SO42-)

There was no immediate turbidity.

Transportation sort

Risk rating: 6.1, highly toxic

UN code: 2811

Packaging category: category II

Packaging

25KG/ cardboard barrel, or according to customer requirements

Storage

Store in an airtight container in a cool place

Application

Pharmaceutical raw materials

Notes

Other tetraethyl ammonium hydroxide 35%(aqueous solution), tetrapropyl ammonium hydroxide, 25%(aqueous solution), tetrabutylammonium hydroxide, 40%(methanol solution) and other quaternary ammonium alkali, quaternary ammonium salt, special fine chemicals, please contact us for details!