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Fluorescein disodium salt

Fluorescein disodium salt
Fluorescein disodium salt structure
CAS No.
518-47-8
Chemical Name:
Fluorescein disodium salt
Synonyms
NaFl;URANIN;NaFluo;c.i.766;ful-glo;URANINE;Fluorin;uranineo;furanium;Fluorone
CBNumber:
CB0753559
Molecular Formula:
C20H10Na2O5
Formula Weight:
376.27
MOL File:
518-47-8.mol

Fluorescein disodium salt Properties

Melting point:
320 °C
storage temp. 
Store at +5°C to +30°C.
solubility 
H2O: soluble1mg/mL
form 
Powder
pka
2.2, 4.4, 6.7(at 25℃)
Colour Index 
45350
color 
Rust-orange
PH Range
Pink uorescence (4.0) to green uorescence (6.0)
PH
8.3 (10g/l, H2O, 20℃)
Water Solubility 
500 g/L (20 ºC)
λmax
491nm, 493.5nm, 490nm
Merck 
14,4159
BRN 
3833041
Stability:
Stable.
Major Application
Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
InChIKey
NJDNXYGOVLYJHP-UHFFFAOYSA-L
CAS DataBase Reference
518-47-8(CAS DataBase Reference)
EPA Substance Registry System
Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy-, disodium salt(518-47-8)

SAFETY

Hazard Codes  Xi
Risk Statements  36-36/37/38
Safety Statements  22-24/25-37/39-26-36/37/39-27
WGK Germany  1
RTECS  LM5425000
3
TSCA  Yes
HS Code  32041200
Toxicity LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)

Fluorescein disodium salt price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 46970 Fluorescein sodium salt p.a., for source staining 518-47-8 100g-f $32.8 2018-11-20 Buy
Sigma-Aldrich 30181 Fluorescein sodium salt analytical standard 518-47-8 100mg $68.5 2018-11-20 Buy
TCI Chemical F0096 Uranine 518-47-8 25g $21 2018-11-22 Buy
TCI Chemical F0096 Uranine 518-47-8 100g $62 2018-11-22 Buy
Alfa Aesar A11659 Fluorescein disodium salt hydrate 518-47-8 500g $58.8 2018-11-13 Buy

Fluorescein disodium salt Chemical Properties,Uses,Production

Chemical Properties

Orange-red powder; odorless. Hygroscopic, soluble in water; sparingly soluble in alcohol.

Uses

A sodium salt of fluorescein

Uses

In examining subterranean waters. Serves to ascertain source of springs, connections between streams and sea, determining approx vol of water delivered by a spring, detecting source of contamination of drinking water, infiltration of soil with waste waters of factories. In externally applied drugs and cosmetics. Analytical reagent (protein label). Clinical reagent (immuno-histological stain, immuno-fluorescent label).

General Description

Orange-red to dark red powder. Water-soluble form of fluorescein. Odorless and almost tasteless. pH (5% solution) 7.8. May be sensitive to prolonged exposure to light and to heat.

Air & Water Reactions

Hygroscopic. Water soluble.

Reactivity Profile

Fluorescein disodium salt is incompatible with strong oxidizers. Also incompatible with acids, acid salts and salts of heavy metals .

Fire Hazard

Flash point data for Fluorescein disodium salt are not available; however, Fluorescein disodium salt is probably combustible.

Safety Profile

Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. Human systemic effects by intravenous route: arrhythmias, eye hemorrhage, nausea or vomiting. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O.

Fluorescein disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products


Fluorescein disodium salt Suppliers

Global( 243)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 1669 55
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 24118 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20229 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 4557 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 19997 58
Shenyang Shengda Chemical Co., Ltd. 024-31968136
024-31968136 tianmi0406@126.com CHINA 30 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933 jkinfo@jkchemical.com;market6@jkchemical.com China 96815 76

View Lastest Price from Fluorescein disodium salt manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-13 Fluorescein disodium salt
518-47-8
US $1.00 / KG 1G 99% 100KG career henan chemical co

Fluorescein disodium salt Spectrum


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