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Bromocresol green

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浏览量:

1000

产品编号

Category

Synonyms:

3',3'',5',5''-Tetrabromo-m-cresolsulfonephthalein; BCG

CAS No.:

76-60-8

数量

-

+

库存:

0



1

keyword:

Bromocresol green

Description

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Chemical Name	Bromocresol green
Synonyms	3',3'',5',5''-Tetrabromo-m-cresolsulfonephthalein; BCG
Molecular formula	C₂₁H₁₄Br₄O₅S
CAS No.	76-60-8
EINECS No.	200-972-8
Molecular weight	698.02
Molecular Structure
Details	Appearance: White or pale grey crystal PH change range: 3.8(yellow green)-5.4(blue) Maximal absorption wavelength (nm): λ1 (PH3.8) 440-445 λ2 (PH5.4) 615-618 Quality absorpting coefficient (L/cm·g): α1 [λ1(PH3.8,dry sample)] 24-28 α2 [λ2(PH5.4,dry sample)] 53-58 Solubility in alcohol: Passes test Ignition residue (sulfate): 0.25%max Loss on drying: 3.0%max Solubility: easy solve in alcohol, aether and benzene, decline solve in water. Packing: 25kg/fibre drum
Main Application	Used as acid and alkali indicators, cell dye.