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CAS RN: 596-27-0 | Product Number: C0404

o-Cresolphthalein


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25G
¥7,100
10   ≥20  ≥20 
100G
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12   ≥20  ≥20 
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Product Number C0404
Molecular Formula / Molecular Weight C__2__2H__1__8O__4 = 346.38  
Physical State (20 deg.C) Solid
CAS RN 596-27-0
Reaxys Registry Number 310554
PubChem Substance ID 87565531
SDBS (AIST Spectral DB) 2048
Merck Index (14) 2576
MDL Number

MFCD00005912

Specifications
Appearance White to Light yellow to Light orange powder to crystal
Lambda max. 563.0 to 568.0 nm(pH 9.8 buffer sol.)
Absorbance min. 0.590(5mg/L, pH 9.8 buffer sol., 563.0 to 568.0 nm)
Solubility in EtOH almost transparency
Drying loss max. 1.0 %
Transition interval(pH) (colorless)8.0 to 9.8(red)
Ignition residue(Sulfate) max. 0.1 %
Properties (reference)
Melting Point 223 °C
Maximum Absorption Wavelength 566(pH 9.8 buffer sol.) nm
GHS
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RTECS# SM8390000
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