邻甲酚酞络合剂/金属酞/酞紫/酚酞紫/2-甲酚酞络合剂,indicator (for complexometry)
- 产品编号：C0175
- 中文名称：邻甲酚酞络合剂/金属酞/酞紫/酚酞紫/2-甲酚酞络合剂
- 英文名称：o-Cresolphthalein Complexone
- 英文别名:o-Cresolphthalexon, Metal phthalein, Phthalein purple, Xylenylphthalein-bisiminodiacetic acid
- CAS号:2411-89-4
- 分子式:C32H32N2O12
- 分子量:636.60
- 纯度:indicator (for complexometry)
- EC号:219-318-8
- MDL号:MFCD00005911
性能描述
| 用途 | indicator (for complexometry) |
| ign. residue | ~1% |
| mp | 181-185 °C (dec.)(lit.) |
Indicator for the complexometric titration of Mg, Ca, Sr, Ba and SO42-; Reagent for the determination of serum calcium; Metallochromic ligand for chelation ion chromatography of trace metal ions.
性状描述：
白色至带棕色结晶性粉末，对热不稳定，易溶于水，不溶于乙醇、乙醚；无色的碱溶液可与钙、锶、钡盐络合生成紫色或深红色，与镁络合为粉红色，与重金属络合则为无色；最大吸收波长575(377)nm
物理参数：
熔点:181-185℃(dec.)(lit.)
用途说明：
络合滴定指示剂，测定钙、锶、钡、镁和镉
