What o-Cresolphthalein Complexone CAS 2411-89-4?
O-Cresolphthalein Complexone, also known as o-toluene phenolphthalein (C22H18O4mol346.38), is a white or yellow powder that is easily soluble in ethanol and ether; Insoluble in water, soluble in dilute alkali, blue in color, pH 8.2-9.8 (color ranges from colorless to red); The maximum absorption peak is 566 (381) mm.
مواصفات
البند |
مواصفات |
λmax |
575nm, 377nm |
الكثافة |
1.515±0.06 g/cm3(Predicted) |
نقطة انصهار |
181-185 °C (dec.)(lit.) |
ظروف التخزين |
متجر أدناه +30 درجة مئوية. |
نقاء |
98%pKa |
pKa |
1.47, 8.24(at 25℃) |
التطبيق
O-Cresolphthalain Complexone is an indicator for complexometric titration of magnesium, calcium, strontium, barium, and SO42-; Reagent for determining serum calcium, chelating ion chromatography ligand for trace metal ions
التعبئة
عادة ما تكون معبأة في 25 كجم/طبل,و أيضا يمكن أن تفعل حزمة مخصصة.
