English name: Methyl violet; Dahlia B; Basic violet 1; Pyrokatanium blue; CI42535
Other names: Methyl Qinglian; Basic Violet 1; Methyl Violet 2B; Aniline Violet; Basic Violet 1; Nail Violet
CAS number: 8004-87-3
C24H28ClN3 = 393.95
Level: BS
Biological staining test: qualified
pH color change range: pH 0.13 (yellow) ~ 0.5 (green); pH 1.0 (green) ~ 1.5 (blue); pH 2.0 (blue) ~ 3.2 (purple)
Properties: Green shiny crystalline powder. It is a mixture of tetramethyl, pentamethyl, and hexamethyl derivatives of by-product red base, of which pentamethyl derivatives are the main (molecular formula, molecular weight refers to such derivatives). Soluble in water and ethanol, it is a purple solution, soluble in glycerin and chloroform, almost insoluble in ether. Melting point 137 ° C (decomposition). The maximum absorption wavelength is 584nm. Toxic, LD50 (mice, oral) 105mg
Uses: biochemical research. Photometric determination of zinc, cadmium, mercury, antimony, thallium, gold, etc. and precipitation of zinc, cadmium and antimony. Acid-base indicator, biological stain storage: RT, protected from light
Foldable Hair DryerThe unique folding handle helps eliminate space-waste, making this petite-yet-powerful dryer ideal for storage in small places or styling on the go. Designed with advanced airflow technology, technology emits an expansive volume of air to dry large sections of hair quickly and gently while helping neutralize static, retain moisture, diffuse frizz, and boost shine. Dry hair fast and keep it healthy anytime, anywhere with two speeds and heat settings, a cool shot, and dual voltage
Mini Hair Dryer,Foldable Hair Dryer,Portable Hair Dryer,Hot Tools Hair Dryer
Ningbo Meirou Electric Appliance Co.,Ltd. , https://www.mrhairdryer.com