-40%

FLUORESCEIN Sodium UV Ultraviolet Dye Tracer - 4oz../40% Concentration

$ 7.91

Availability: 91 in stock
  • MPN: Does Not Apply
  • Condition: New
  • Brand: PRESTO
  • All returns accepted: ReturnsNotAccepted
  • Country/Region of Manufacture: United States

    Description

    This is an auction for
    TWO (2) bottles of 60ML/2oz. Each - Total 120ML/4oz.
    of
    Highly Concentrated Aqueous
    Sodium Fluorescein Solution
    now packaged in
    NALGENE LAB QUALITY SCREW TOP BOTTLES
    , and that Fluoresces
    EXTREMELY BRIGHT YELLOW-GREEN
    under
    LONGWAVE UV Illumination
    even in very diluted solutions.
    Even under White Light Fluorescent fixtures it glows with a strong Lime-Green color.
    This is
    40% High Concentrate aqueous solution
    so
    EACH BOTTLE
    is sufficient to mark
    AS MUCH AS 200-2000 GALLONS
    of water solution for tracing liquid or plumbing leaks, or else for
    MARKING MEDICAL SOLUTIONS FOR IDENTIFICATION
    .
    This finds a lot of use by Optometrists and Ophthalmologists for checking retinas for damage, although they use a much weaker buffered version in eye examinations.
    This is hard to come by unless you are in an optical shop or in a well-stock Chem Lab
    , and
    with the addition of a
    UV/Black light
    can be very handy in the home, boat or workplace environment
    .
    It's GREAT for CLASSROOM DEMONSTRATION of FLUORESCENCE
    and can easily be seen at a distance.
    It's also just GREAT for FLUORESCENT PHOTOGRAPHY
    . It is safely shipped in tightly sealed bottles to conform to USPS Article 52 shipping standards. Shipping to the 50 states is : .95 and to
    Canada
    ,
    U.K.
    and Europe is .95. Acceptable form of payment is
    PAYPAL
    unless previously arranged with seller.
    All orders shipped promptly upon receipt of payment. A
    Real Bargain
    at the price!
    CAS Reg. # 518-47-8
    NDA # 021980
    Color Index # 45350
    Molecular Formula:
    C
    20
    H
    10
    Na
    2
    O
    5
    Molecular Weight: 376.27 AMU
    Known as:
    Fluorescite
    also:
    Uranine
    also:
    Acid Yellow 73
    (From Merck Index, 12th ed;
    American Medical Association Drug Evaluations
    ;
    1995
    ,
    p2275)
    This is classified as "non-hazardous"
    by
    EPA-RCRA
    and
    DOT Regulations
    as well as
    FDA and NDA
    APPROVED for use in Cosmetics and Household Products