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Phenol Red

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Phenol Red

Synonyms
CAS No.
143-74-8
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Description

Chemical Name

Phenol Red

CAS No.

143-74-8

Molecular formula

C19H14O5S

EINECS No.

205-609-7

Molecular weight

354.38

Molecular Structure

Details

Appearance: Tender red or carmine crystal powder.

PH change range: 1.2(orange)~3(yellow); 6.5(yellow)~8(viole)

Maximal absorption wavelength(nm):

λ1(PH1.2) 503-506   λ2 (PH3.0)   430-435

λ3 (PH6.5)   430-435   λ4 (PH8.0)   557-560

Quality absorption coefficient(L/cm·g):

α1[λ1(PH1.2,dry sample)] 110~123  α2[λ2(PH3.0,dry sample)] 60~68

α3[λ3(PH6.5, dry sample)] 62~72  α4[λ4(PH8.0,dry sample)] 120~135

Solubility in alkali: Passes test

Loss on drying: 1.0% max

Sulfated ash: 0.2% max

Solubility:easy solve in alkali solution,alcohol&acetone, not solve in water.

Packing: 25kg/ fibre drum.

Main Application

Acid and alkali indicator.

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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