Welcome To Our Company
china  中文
You are here: Home » Products » PIGMENT » Eosin Y Water Soluble 85% BS Grade Reagent

Eosin Y Water Soluble 85% BS Grade Reagent

Cas Number:17372-87-1
Formula: C20H6Br4Na2O5
Molar Mass:691.86
EC Number:241-409-6

Quantity:
  • BS
  • LABOR
  • 401532125

Eosin Y Water Soluble 85% BS Grade Reagent


Cas Number:17372-87-1

Formula: C20H6Br4Na2O5

Molar Mass:691.86

EC Number:241-409-6


Physicochemical properties:

Red with blue or reddish brown powder. It is soluble in water, slightly soluble in ethanol, insoluble in ether. The concentrated aqueous solution is dark brown red, the dilute solution (1:500) is orange with green fluorescence, and the ethanol solution has strong green fluorescence. The maximum absorption wavelength is 517 nm. Low toxicity, half lethal dose (mouse, oral) 2344mg/kg.


Usage:

Biological stains, peptides and proteins, protoplasts, alkaline phosphatase, etc. Photometric determination of silver (sub-micrograms). Wright stain component for checking blood cells. Adsorption indicator, titration of bromine, iodine, fluorine and other ions.


Packing:

500g/25kg





Item of Analysis

Standard

Assay,%

85.0 min

Solubility in water

to pass test

Biological dyeing test

to pass test

Loss on drying,%

9.0 max

Halide (as Cl) ,%

2.0 max



Not a hazardous substance or mixture.


NAVIGATION

CATEGORIES

GET IN TOUCH

  Yonghua
  yonghua@yonghuachem.com
   +86-13776212318
    +86-86-512-52890563
   Room B-1308, International Trade Center, No. 12 Huanghe Road, Changshu City, Jiangsu Province 

SUBSCRIBE

Be the first to know about our lastest products.

Copyright 2020 Yonghua Chemical Co., Ltd.