成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Biochemical Engineering>Biochemical Reagents>Biological Dyes>Bromophenol blue
Bromophenol blue
  • Bromophenol blue
  • Bromophenol blue

Bromophenol blue

Price $233.1 $204 $190
Package 1kg 25kg 50kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2023-07-10

Product Details

Product Name: Bromophenol blue CAS No.: 115-39-9
EC-No.: 204-086-2 Min. Order: 1kg
Purity: 98% Supply Ability: 1000kg
Release date: 2023/07/10

Bromophenol blue is colorless or light rose red fine crystal. Easily soluble in ethanol, benzene, ether and other organic solvents, slightly soluble in water, the aqueous solution is yellow, and it is blue purple in alkaline solution. It is mainly used as an acid-base indicator. The pH change range is 3.0~4.6. The color changes from yellow to blue purple through green. Bromophenol blue was used as colorless or light rose red fine crystal. It is mainly used as an acid-base indicator. The pH change range is 3.0~4.6. The color changes from yellow to blue purple through green. Chemical properties Colorless to reddish crystal or yellowish to brownish powder. Melting point 279 ℃ (decomposition). It is blue when dissolved in alcohol, dilute alkali solution and ammonia solution, yellow when slightly soluble in water and ether solution, and blue when its sodium salt is dissolved in water. Use Acid base indicator, pH 3.0 (yellow) - 4.6 (purple). Non aqueous solution titration indicator, protein electrophoresis staining, virus test, etc. Uses Used as acid base indicator Acid base indicator, indicator for nonaqueous solution titration, protein electrophoresis staining, virus assay, etc. Purpose Acid base indicator, pH discoloration range 3.0 (yellow)~4.6 (purple); The production method of adsorption indicator is to dissolve phenol red in glacial acetic acid, add bromine solution in glacial acetic acid under stirring, pour it into 60 ℃ hot water after stirring for a few minutes, cool it to room temperature, and place it overnight. Filter, wash the filter cake with glacial acetic acid and benzene in turn, and air dry to obtain bromophenol blue.


Company Profile Introduction

You may like

Recommended supplier

Product name Price   Suppliers Update time
$5.00/1KG
VIP4Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-14
$9.80/1kg
VIP1Y
Shandong Deshang Chemical Co., Ltd.
2024-06-21
$180.00/1kg
VIP1Y
Hebei Zhuanglai Chemical Trading Co.,Ltd
2024-05-31
$31.00/1kg
VIP1Y
Henan Fengda Chemical Co., Ltd
2024-03-25
$0.00/25KG
VIP5Y
Hebei Mojin Biotechnology Co., Ltd
2023-07-31
$10.00/1KG
VIP6Y
Hebei Weibang Biotechnology Co., Ltd
2023-04-25
$15.00/1KG
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-11
$1.00/1KG
VIP7Y
Career Henan Chemical Co
2018-08-13
$10.00/1KG
VIP6Y
Hebei Weibang Biotechnology Co., Ltd
2023-04-25
$15.00/1KG
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-09
  • Since: 2022-03-03
  • Address: Room 1-20, Commercial Office Building C, Yongning Automobile City, Taoyuan Sub district Office, Quan
INQUIRY