Merck, 1062020005, 1-Naphtholbenzein

Name: 1-Naphtholbenzein
Brand: Merck
SKU: 1062020005

Size:5 g, 1-Naphtholbenzein, indicator Reag. Ph Eur

Catalog Number: 1062020005

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Category

Chemical Indicators

TagsAnalytical Chemistry Analytical Reagents Indicators

CollectionsMerck Analytical Reagents Collection Merck Cell Culture Supplements & Reagents: Complete Solutions for Research & Bioproduction Merck Roche Life Science Products for PCR, RT‑PCR & Nucleic Acid Purification

Description

Application

Use of turbidimeter for measurement of solid catalyst system component in a reactor feed.: This study discusses the application of a turbidimeter to measure the concentration of solid catalyst components in a reactor feed, highlighting its significance in optimizing catalytic processes (Elsevier, 2020).

Analysis Note
Identity (IR-spectrum): passes test
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax.(perchloric acid (0,1 mol/l) in acetic acid): 622 - 626 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l;perchloric acid (0,1 mol/l) in acetic acid;calculated on dried substance): 640 - 950
Transition range: pH 8,0 - pH 9,6; apricot - turquoiseblue
Loss on Drying (105°C): ≤ 7 %
Suitability as indicator (for non-aqueous titration): passes test

Specifications

General

MDL number	MFCD00078492
UNSPSC Code	12352115
EC Index Number	205-656-3
Web Name Suffix Override	pH indicator, Reag. Ph Eur
NACRES	NB.21
SMILES string	Oc1c2c(c(cc1)\C(=C4\c5c(cccc5)C(=O)C=C\4)\c3ccccc3)cccc2
InChI	1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24+
InChI key	VDDWRTZCUJCDJM-SOYKGTTHSA-N
agency	reag. Ph. Eur.
form	solid
loss	≤7% loss on drying, 105°C
visual transition interval	8.0-9.6, apricot to turquoise
mp	243-245 °C
bulk density	120‑300 kg/m3
λ<sub>max</sub>	622-626 nm (perchloric acid (0,1 mol/l) in acetic acid)
storage temp.	2-30°C
Quality Level	200

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