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Uranin A Organic Dye (Fluorescein disodium salt (C.I. Acid Yellow 73)

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TU 2463-289-00204197-2011
C.I. Acid Yellow 73

C₂₀H₁₀O₅Na₂
Mol.w. 376.279

Application

To be used:

for definition of water leak in heating system
as indicator in geological exploration
for tinting antifreezes
for tinting the following household chemicals: medical salts, washing facilities and soaps
for painting marine identification signs
for provision the flight crews with life saving equipment

Appearance, properties

Crystalline powder coloured red to reddish-brown, soluble in water. It belongs to the group of xanthene dyes. By its technical properties it belongs to the group of acid dyes and constitutes fluorescein disodium salt soluble in sea water with extremely intense green fluorescene.

Quality indices

Concentration relatively to the standard sample, %, min	100
Fluorescene of solution	Stands a test

Packing

Cardboard winding drums with polyethylene bags-inserts, volume is 50dm³ (net weight is 40 kg). 65 It polyethylene drums (net weight is 50-52 kg).

Transportation

Delivered by all means of transport in accordance with the rules and regulations of goods transportation.

Guaranteed storage period

24 months since the production date.

To send an enquiry make use of the order form.

For further information on products purchasing please contact also the Sales and Foreign Relations Department on fax: 8 or at , .

Phone: 8 ; fax: .
Russia1, city Berezniki, the Perm region.