Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent
Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent
Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent
Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent
Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent

Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent

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Bromophenol Blue Bromophenol Blue 25g Bromophenol Blue Experimental Chemical Reagent

About the product

Characteristic

Cas

76-59-5

Place of origin

Tianjin tianxin

Product name

Bromothymol blue

Content

99

Product code

1690

Level

Analytical pure ar

Brand

Tianxin

Model

25g

Purpose category

Standard product

Scope of use

Laboratory analysis

Imported: Yes/No

No

Featured services

Experiment

Is it a hazardous chemical?

No

Description


碘化钾内页_04
溴百里香酚蓝改

溴百里香酚蓝改1



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溴百里香酚蓝

产品性状

浅玫瑰色结晶性粉末,熔点200~202℃, 易溶于乙醇﹑醚﹑甲醇及稀氢氧化碱溶液。稍溶于苯﹑甲苯及二甲苯,微溶于水,几乎不溶于石油醚。 在碱性溶液中呈蓝色,在酸性溶液中呈黄色。

 

溴麝香草酚蓝是一种酸碱指示剂,变色范围pH6.0()~7.6()

 

普通水是中性,pH也就是7左右,差不多呈淡蓝.

 

溶有二氧化碳后,由于会形成碳酸,碳酸是弱酸,因此pH不会降太多,变黄。

 

当中过渡颜色是绿色或检测CO2的产生:使澄清石灰水变浑浊,并使溴麝香草酚蓝水溶液由蓝变绿再变黄。

碘化钾内页_06
碘化钾内页_07

 

碘化钾内页_08
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碘化钾内页_14
碘化钾内页_15





Characters

Properties

Cas

76-59-5

Place of origin

Tianjin tianxin

Product name

Bromothymol blue

Content

99

Description


碘化钾内页_04
溴百里香酚蓝改

溴百里香酚蓝改1



undefined
溴百里香酚蓝

产品性状

浅玫瑰色结晶性粉末,熔点200~202℃, 易溶于乙醇﹑醚﹑甲醇及稀氢氧化碱溶液。稍溶于苯﹑甲苯及二甲苯,微溶于水,几乎不溶于石油醚。 在碱性溶液中呈蓝色,在酸性溶液中呈黄色。

 

溴麝香草酚蓝是一种酸碱指示剂,变色范围pH6.0()~7.6()

 

普通水是中性,pH也就是7左右,差不多呈淡蓝.

 

溶有二氧化碳后,由于会形成碳酸,碳酸是弱酸,因此pH不会降太多,变黄。

 

当中过渡颜色是绿色或检测CO2的产生:使澄清石灰水变浑浊,并使溴麝香草酚蓝水溶液由蓝变绿再变黄。

碘化钾内页_06
碘化钾内页_07

 

碘化钾内页_08
undefined




碘化钾内页_14
碘化钾内页_15





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