cresol red cas 1733-12-6

Description

Cresol Redquick Details
Chemical Name: Cresol Red
CAS No: 1733-12-6
Molecular Formula: C21H17NaO5S
Molecular Weight: 404.41
Cresol RedStructure:
Appearance: Brown powder
Assay: 99%min
Cresol Redtypical Properties

Item
Specifications

Maximum absorption wavelength（nm）λ1（PH6.8）λ2（PH8.5）
432.0—436.0

Mass absorption coefficient（L/cm·g）
571.0—574.0

11 (λ1, PH6.8, dry sample)22 (λ2, PH 8.5, dry sample)
49.0—67.0100.0—132.0

PH color changing domain
6.8 (yellow) – 8.5 (red)

Alcohol dissolution test
PASS

Loss on drying
3.0

Burning residue (calculated as sulphate)
0.2

Cresol RedUsage
Thermochromic materials, cosmetics, measurement of hydrophobicity of therapeutic drugs
Cresol RedPackaging and Shipping
Packing: 25KG/ drum
Delivery: 7-10 days after receipt the payment
Cresol RedStorage
The package is complete and lightly loaded; the warehouse is ventilated, away from open flames, high temperature, and stored separately from oxidants and acids.