Home Categories Dyes and Pigments Eosin Y(water soluble)
A4717031

Eosin Y(water soluble) , Dyecontent75% , 17372-87-1

Synonym(s):
2′,4′,5′,7′-Tetrabromofluorescein disodium salt;Acid red 87;Disodium-2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate, trihydrate, A(K)MI-5, PRMT Inhibitor III;Eosin yellowish solution

CAS NO.:17372-87-1

Empirical Formula: C20H6Br4Na2O5

Molecular Weight: 691.854

MDL number: MFCD00005040

EINECS: 241-409-6

Pack Size Price Stock Quantity
100g RMB199.20 In Stock
500g RMB687.20 In Stock
1kg RMB1359.20 In Stock
2.5kg RMB2399.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: >300°C
Density  1.02 g/mL at 20 °C
vapor pressure  0Pa at 25℃
Flash point: 11 °C
storage temp.  Store at RT.
solubility  H2O: 0.1 g/mL, dark red
Colour Index  45380
form  Solid
pka 2.9, 4.5(at 25℃)
color  Reddish
PH 9.2 (10g/l, H2O, 20℃)
PH Range 0(yellow)-3(green fluoresc.)
Water Solubility  freely soluble
λmax 514nm
Merck  14,3603
BRN  3586809
Stability: Stable. Incompatible with strong oxidizing agents.
Biological Applications Treating age-related macular degeneration,burns,cancer,diabetes,obesity,dental bone defects,gastroesophageal reflux disease,prostate cancer,viral diseases; stents; wound-healing materials
Major Application Photovoltaic devices, color filter, nanoscale host material, detection of latent fingerprints, inks, detergents, hair dyes, cosmetics, implantable drug delivery devices, stents, diagnosis of breast lesions, labeling nucleic acids, detecting proteins, stress biomarkers, phosphoprotein, breast cancer metastases, antimicrobial agent, treatment of burns, endodontic, diabetes, obesity, cancer, radiochemotherapy, DNA sequencing, gene expression profiling, wound healing promoters
LogP -1.33
CAS DataBase Reference 17372-87-1(CAS DataBase Reference)
EPA Substance Registry System Eosin Yellowish (YS) (17372-87-1)

Description and Uses

Eosin is most often used as a counterstain to haematoxylin in H&E (haematoxylin and eosin) staining. H&E staining is one of the most commonly used techniques in histology.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H317-H319
Precautionary statements  P261-P264-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  F,T,Xn,Xi
Risk Statements  11-23/24/25-39/23/24/25-52/53-41-22-36-10
Safety Statements  7-16-36/37-45-24/25-61-39-26
RIDADR  UN 1230 3/PG 2
WGK Germany  1
RTECS  LM5850000
TSCA  Yes
HS Code  32041200
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

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