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异丙基-β-D-硫代半乳糖苷(IPTG)(发酵级)|367-93-1|产品质量检验说明书

2021-03-08 来源:亚科官网

 货号(Product number):Y0976

中文名称(Chinese Name):异丙基-β-D-硫代半乳糖苷 IPTG

英文名称(English Name):Isopropyl-beta-D-thiogalactopyranoside

分子式(Molecular Formula):C9H18O5S

分子量(Molecular Wt):238.30

CAS:367-93-1

有效期:一年

Shelf life:one year

 

分析项目

SPECIFICATION PROPERTIES

技术指标

STANDARD

外观

Appearance

白色结晶粉末

White crystalline powder

纯度(HPLC)

Purity,%

≥98.00

溶解性

 Solubility

溶于水和甲醇

 Soluble in water and methanol

红外图谱鉴别

 Identification by IR

与标准图谱一致

The IR spectrum concordant with the reference standard

pH(5%水溶液)

 pH(5% aq.)

5.0-7.0

吸光度/300nm(5%水溶液)

Ultraviolet absorbance(5% aq.)

≤0.15

吸光度/400nm(5%水溶液)

Ultraviolet absorbance(5% aq.)

≤0.06

熔点MP,℃

110.0-114.0

水份(K.F)

Water content,%

≤1.0

1,4-二氧六环

1,4-dioxane

未检出 Should be absent

比旋光度[α]°

Specific rotation

-34.5~ -28.5

 储存条件:2-8℃

Storage: 2-8℃

 



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