1.03887
Fluorescein sodium (C.I. 45350)
indicator Reag. Ph Eur
Recommended Products
agency
reag. Ph. Eur.
Quality Level
form
powder
potency
6720 mg/kg LD50, oral (Rat)
loss
≤10% loss on drying, 110°C
color
red-brown
pH
8.3 (20 °C, 10 g/L in H2O)
mp
>300 °C
solubility
500 g/L
bulk density
600 kg/m3
λmax
490-492 nm (buffer pH 8.0)
storage temp.
2-30°C
InChI
1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;;/h1-10,21H,(H,23,24);;/q;2*+1/p-2
InChI key
NJDNXYGOVLYJHP-UHFFFAOYSA-L
Related Categories
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Identity (IR-spectrum): passes test
Absorption maximum λmax. (buffer pH 8.0): 490 - 492 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance): ≥ 1850
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (Adsorption indicator for argentometry): passes test
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
423.7 °F - Pensky-Martens closed cup
flash_point_c
217.6 °C - Pensky-Martens closed cup
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service