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Technical Data Sheet HYDROXY NAPHTHOL BLUE

Compound Information
Product Name: HYDROXY NAPHTHOL BLUE
CAS No.: 165660-27-5
Molecular Formula: C20H15N2NaO11S3
Molecular Weight: 578.51
Storage: Store at RT
Revision Date: 2026-04-15
Analytical Information
Tests Specifications
Appearance Dark bluish black powder
Solubility DMSO (Slightly), Water (Sparingly)
UV Absorptivity (1%/1 cm at λmax, in Ammonia buffer pH 12.0 ± 2 mL 0.05 EDTA 648.0 nm) : 350 -500
LOD ≤ 5% (105 °C at 1 h)
Specification Reference ACS reagent
Suitability Suitability for Calcium determination : To pass test
Disclaimer: This information relates only to the specific material designated and may not be valid for such material used in combination with anyother materials or in any other process. Such information is to be the best of the company's knowledge and believed accurate and reliable as of thedate indicated. However, no representation, warranty or guarantee of any kind, express or implied, is made as to its accuracy, reliability orcompleteness and we assume no responsibility for any loss, damage or expense, direct or consequential, arising out of use. It is the user'sresponsibility to satisfy himself as to the suitableness & completeness of such information for his own particular use.
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