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Decamethoxin
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Decamethoxin
浏览次数: 日期:2018-12-05

Decamethoxin

化学名称:N1,N10-bis(2-((2-isopropyl-5-methylcyclohexyl)oxy)-2-oxoethyl)-N1,N1,N10,N10-tetramethyldecane-1,10-diaminium chloride

化学式: C38H74Cl2N2O4

Cas#: 38146-42-8

Exact Mass: 692.50

分子量: 693.92

m/z: 692.50 (100.0%), 694.50 (63.9%), 693.51 (41.1%), 695.50 (26.3%), 696.50 (10.2%), 694.51 (8.2%), 696.51 (4.4%), 697.50 (4.2%)

Elemental Analysis: C, 65.77; H, 10.75; Cl, 10.22; N, 4.04; O, 9.22


Decamethoxin Standard:

 

Parameter

Standard

Method

result

Description

White, fine-crystalline powder with light specific smell

Visual

Yes

 

Solubility

Easily soluble in water P and 96% alcohol P

Accordingly to EP

Yes

 

Definition

B. Specific optical rotation from -48to -51

C. Point of fusion from 1630 C to 1680C (with decomposition)

D. Chloride reaction (a)

E. Menthol with vanillin reagent P reaction in sulfuric acid P

F. Ester group reaction with hydroxide amine alkaline solution P and ferric (III) chloride solution P

EP, p.2.2.7.

 

EP, p.2.2.14

 

 

EP, P.2.3.1

Chemical

 

Chemical

B. Specific optical rotation -50.05°yes

C. Melting point 164.6℃-167.0yes

D. Chloride reaction (a)

yes

E. Menthol with vanillin reagent P reaction in sulfuric acid P:yes

F. Ester group reaction with hydroxide amine alkaline solution P and ferric (III) chloride solution P:yes

Transparence

Solution S must be clear or not to exceed the Standard solution I by the level of opacity

EP, P.2.2.1

Yes

 

Coloring degree

Solution S must be colorless

EP, P.2.2.2, method II

Yes

 

pH

From 5,5 to 7,5

EP, p.2.2.3

7.22

Specific optic rotation

From  - 48,0˚ to -51,0˚ calculated to the dry substance                  

EP, p.2.2.7

-50.05°

Impurities

A. Menthyl ether of chloracetic acid, not more than 0,25%

B. Tetramethyldiamine-decan –not more than 0,4%

TLC

A:0.1%

B:0.1%

Residual quantities of organic solvents

Acetone not more than 0,2 %

Ethylacetate not more than  0,2 %

GC

Not detected

Mass loss after drying

Not more than 4,5 %

EP, p.2.2.32

1.0%

Sulfate ash

Not more than 0,1 %

EP, p.2.4.14

0.06%

Heavy metals

<10 ppm

EP, p.2.2.8, method A

Yes

Assay

Not less than 99,0 % calculated to the dry substance

Titration

99.12%

Microbiological purity

1 g. of substance contains not more than 100 microorganisms, including fungi

EP, p.2.6.12

Yes