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bromothymol blue

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Origin: China

Cas No: 76-59-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 76-59-5

Other Names:: BTB

MF:: C27H28Br2O5S

EINECS No.:: 76-59-5

Place of Origin:: Shandong, China

Type:: Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates

Purity:: ≥99%

Brand Name:: FinerChem

Model Number:: 76-59-5

Application:: Used as an acid-base indicator

Appearance:: Purple to pink powder

Product name:: Bromothymol Blue

CAS:: 76-59-5

Melting point:: 204

Packaging&Delivery

Packaging Details: Aluminium foil bag for within 10kg, 25kg/Fiber drum, 25kg/kraft bag

Port: SHANGHAI, QINGDAO , BEIJING, SHENZHEN , DALIAN

Lead Time:

Quantity(Kilograms)	1 - 500	>500
Est. Time(days)	4	To be negotiated

Products Description

Product Name	Bromothymol Blue
CAS No.	76-59-5
Appearance	Purple to pink powder
Assay	≥99%
Capacity	2000mt/year
Min.packing	1gram
Application	Used as an acid-base indicator
Standard	Export
Brand	Finerchem
More information	Molecular Formula: C27H28Br2O5S Molecular Weight: 624.38 CAS Registry Number: 76-59-5 EINECS: 200-971-2 Melting point: 204 ºC Water solubility: slightly soluble

Property

CAS No.: 76-59-5 Formula: C27H28Br2O5S Molecular Weight: 624.38100

Description

Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is for measuring the presence of carbonic acid in a liquid. It is typically sold in solid form as the sodium salt of the acid indicator.
Bromothymol blue (pH indicator) below pH 6.0 above pH 7.6 6.0 ⇌ 7.6

Basic Info

Chemical Name	bromothymol blue
Synonyms	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol; Phenol, 4,4‘-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide; Bromothymol Blue; 3',3''-Dibromothymolsulfonphthalein;
CAS No.	76-59-5
Molecular Formula	C27H28Br2O5S
Molecular Weight	624.38100
PSA	92.21000
LogP	8.57800

Properties

Appearance & Physical State	purple to pink powder
Density	1.542 g/cm3
Boiling Point	614.3ºC at 760 mmHg
Melting Point	204ºC
Flash Point	38 °C
Refractive Index	1.4290 (20ºC)
Water Solubility	slightly soluble
Stability	Stable. Incompatible with strong oxidizing agents.
Storage Condition	Store at RT.