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甲酚紅 IND25g

甲酚紅 IND25g

甲酚紅 IND25g
Cresol Red
CAS NO.1733-12-6

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Catalog No.XLIND1733-12-6.0025

CAS No:1733-12-6

Formula:C21H18O5S

Capacity:25g

Specification
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pH Color change interval ………………………6.5(yellow)-8.5(purple)
Maximum absorption wavelength(nm):…………………………………..
入1(pH6.5)………………………………………………………….432-436nm
入2(pH8.5)………………………………………………………….571-574nm
Mass absorption coefficient:…………………………………………………..
α1(入1,pH6.5,乾樣)…………………………….49~67L/cm.g
α2(入2,pH8.5,乾樣)………………………….100~132L/cm.g
Ethanol dissolved test ……………………………………………..Pass test
Loss on drying……………………………….…………………..≤3.0%
Residue on ignition(as SO4)…………………………..……….≤0.2%
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