间甲酚紫 IND Howei Pharm(和为医药)

执行标准 : Q/HWC032-2020 广州和为医药科技有限公司化学品制造标准

产品编号 : 9549DA497

产品名称 : 间甲酚紫

英文名称 : m-Cresol purple

产品规格 : IND

包装规格 : 10g 100g 500g

Molecular Weight : 382.43

CAS Number : 2303-01-7

Molecular Formula : C21H18O5S

Beilstein Registry Number : 350314

MDL number : MFCD00005871

Color Appearance : Yellow to brown to dark green powder to crystals

The maximum absorption wavelength λ1 (at pH=1.2),nm : 526-529

The maximum absorption wavelength λ2 (at pH=2.8),nm : 431-437

The maximum absorption wavelength λ3 (at pH=7.4),nm : 431-437

The maximum absorption wavelength λ4 (at pH=9.0),nm : 576-580

Quality absorption coefficient α1 (λ1, pH=1.2)(L/cm·g) : 80-94

Quality absorption coefficient α1 (λ1, pH=2.8)(L/cm·g) : 40-46

Quality absorption coefficient α1 (λ1, pH=7.4)(L/cm·g) : 39-45

Quality absorption coefficient α1 (λ1, pH=9.0)(L/cm·g) : 75-86

Solubility in ethanol : Pass

Loss on Drying : ≤1.0%

Transition range : 1.2(Pink)-2.8(Yellow)

Transition range : 7.4(Brown Yellow)-9.0(Purple)

保质期 ： 730天

质检报告(COA) ： 有