Hydroxy Naphthol Blue Disodium Salt is a synthetic dye that has been used as a calcium indicator, which has a lambdamax = 650nm. Synonyms: Hydroxy Naphthol Blue Disodium Salt, 3-Hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic Acid Disodium Salt CAS Number: 165660-27-5 Molecular Formula: C20H12N2Na2O11S3 Molecular Weight: 598.49 Appearance: Supplied as a blue to dark bluish black powder or crystal Absorptivity (1%/1cm, in ammonia buffer pH 12.0 and 2ml 0.05M ETDA, at 647nm): 350 Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Light sensitive Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
Molecular Weight:
598.49
Form:
Supplied as a blue to dark bluish black powder or crystal
CAS Number:
[165660-27-5]
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