1.01895

Bromothymol blue sodium salt

pH indicator, water-soluble, ACS

• Synonym(s): Bromothymol blue sodium salt
• Empirical Formula (Hill Notation): C₂₇H₂₇Br₂NaO₅S
• CAS Number: 34722-90-2
• Molecular Weight: 646.36
• MDL number: MFCD00077263
• UNSPSC Code: 12352107
• EC Index Number: 252-169-7
• NACRES: NB.21

Properties

• product name: Bromothymol blue sodium salt, indicator water-soluble ACS
• grade: ACS reagent
• Quality Level: 200
• loss: ≤5.0% loss on drying, 110°C
• visual transition interval: 5.8-7.6, yellow to blue
• storage temp.: 2-30°C
• InChI: 1S/C27H28Br2O5S.Na/c1-13(2)18-11-20(15(5)24(28)26(18)30)23(17-9-7-8-10-22(17)35(32,33)34)21-12-19(14(3)4)27(31)25(29)16(21)6;/h7-14,30H,1-6H3,(H,32,33,34);/q;+1/p-1/b23-21+;
• InChI key: NMKFVGALBGZKGW-FKWCIMQXSA-M

Description

Application

• Effect of small molecules on the phase behavior and coacervation of aqueous solutions of poly(diallyldimethylammonium chloride) and poly(sodium 4-styrene sulfonate).: This study explores how small molecules like Bromothymol blue sodium salt influence the phase behavior and coacervation in polyelectrolyte solutions. This insight is crucial for understanding complex coacervate systems used in various applications such as drug delivery and water treatment (Huang et al., 2018).


• A wearable fingernail chemical sensing platform: pH sensing at your fingertips.: The research introduces an innovative wearable sensor using Bromothymol blue sodium salt for pH detection. This platform is significant for real-time monitoring of chemical exposures, particularly useful in clinical and environmental settings (Kim et al., 2016).


• Use of urease-bromothymol blue-agar method for large-scale testing of urine on grain and seeds.: This paper discusses a method involving Bromothymol blue sodium salt for detecting urea in grain and seeds, which is vital for quality control in agriculture and food safety (Valdes et al., 1996).


• The mechanism of liposomal damage by taurocholate.: This study examines the damaging effects of taurocholate on liposomes using Bromothymol blue sodium salt as a pH indicator, contributing to the understanding of bile salt interactions with lipid membranes (Walde et al., 1987).

Analysis Note

Transition range: pH 5.8 - 7.6yellow - blue
Appearance of solution: conforms
Loss on drying (110 °C): ≤ 5.0 %
Transition range (according to ACS): conforms
ACS conforms

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable