Dayang Chem (Hangzhou) Co., Ltd. is one of the leading manufacturers and suppliers of tetrabromophenolphthalein ethyl ester potassium salt (tbpe) cas 62637-91-6 in China, specialized in providing high quality customized chemicals. Welcome to wholesale bulk tetrabromophenolphthalein ethyl ester potassium salt (tbpe) cas 62637-91-6 made in China here and get pricelist from our factory. Good service and reasonable price are available.
Product Introduction
Key Specifications
|
Appearance |
Blue-black powder |
|
Assay |
95.0% Min |
|
Melting point |
210 C (dec.)(lit.) |
|
Boiling point |
619.9ºC at 760 mmHg |
If required, the latest specifications and analysis report will be made available.
Packaging, Storage and delivery
|
Standard Packaging |
20 kg/bag or custom packaging upon request |
|
Storage Conditions |
Store in a cool, dry, well-ventilated area. Keep container tightly sealed under inert atmosphere if long-term storage is required |
|
Transport information |
Not regulated as a dangerous good |
|
Shipping Methods |
DHL, FedEx, air freight or sea freight (IMDG/IATA compliant) |


Primary Applications
TBPE (Tetrabromophenolphthalein Ethyl Ester Potassium Salt) is a sensitive spectrophotometric reagent for amines, quaternary ammonium salts and other cations. TBPE has been incorporated into colour-changing test strips for lead(II), and has been used in testing for ethoxylated nonionic surfactants.
Spectrum

Related Articles
1. Electroelution of proteins from bands in gel electrophoresis without gel sectioning for the purpose of protein transfer into mass spectrometry: elements of a new procedure.
Electrophoresis 22(3) , 394-8, (2001)
2. [Pharmaco-analytical application of tetrabromophenolphthalein ethyl ester indicator dye. III. Interaction between alkaloids and TBPE].
Acta Pharm. Hung. 50(4) , 161-5, (1980)
3. High-sensitivity extraction-spectrophotometric determination of iron with 3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine and tetrabromophenolphthalein ethyl ester.
Analyst 109(11) , 1397-9, (1984)
4. Spectrophotometric determination of histamine in mast cells, muscle and urine by solvent extraction with copper(II) and tetrabromophenolphthalein ethyl ester.
Analyst 109(12) , 1569-72, (1984)


Frequently Asked Questions (FAQ)
Q1:Do you provide a Certificate of Analysis (COA)?
Yes, every batch includes a full COA with assay, moisture content, and appearance.
Q2: Can you deliver quickly (or ensure delivery within a certain number of days)?
For stock products, we typically ship within 7 days.
For custom synthesis products, the delivery time is generally 4C6 weeks, depending on the complexity and quantity of the order.
Q3: How soon will I receive a reply or quote after submitting an inquiry?
We guarantee an initial response within 24 hours of receiving your inquiry and aim to provide a detailed quote within 3 business days.
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