Merck, 1014080025, Crystal violet (C.I. 42555)

Name: Crystal violet (C.I. 42555)
Brand: Merck
SKU: 1014080025

Size:25 g, Crystal violet (C.I. 42555), Hexamethylenepararosaniline chloride, Gentian violet (C.I. 42555), Hexamethyl-p-rosanilinium, Methyl violet 10 B, indicator ACS, Reag. Ph Eur

Catalog Number: 1014080025

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Category

Chemical Indicators

Pack Size25 g

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

Analysis Note
Dye content (spectrophotometrically; calc. on dried substance): ≥ 90.0%
Identity (UV/VIS-Spectrum): passes test
Absorbance characteristics (Ratio,E (λmax - 15 nm)/E (λmax + 15 nm)): 0.98 - 1.20
Absorption maximum λmax. (water): 589 - 594 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water): 2000 - 2450
TLC-Test: passes test
Michler`s ketone: <0.10%
Loss on drying (110 °C, 4 h): ≤ 7.5%
Suitability as indicator (ACS): passes test
Suitability as indicator (Reag. Ph. Eur.): passes test

Specifications

General

UNSPSC Code	41116130
EC Index Number	208-953-6
NACRES	NA.21
Web Name Suffix Override	pH indicator, ACS, Reag. Ph Eur
MDL number	MFCD00011750
SMILES string	[Cl-].N(C)(C)c1ccc(cc1)[C+](c3ccc(cc3)N(C)C)c2ccc(cc2)N(C)C
InChI	1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
InChI key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
grade	ACS reagent
agency	reag. Ph. Eur.
form	solid
potency	420 mg/kg LD50, oral (Rat)
composition	dye content, ≥90% spectrophotometric assay (, calc. on dried substance)
impurities	<0.10% Michler′s ketone
loss	≤7.5% loss on drying, 110°C, 4 h
pH	2.5-3.5 (20 °C, 10 g/L in H2O)
mp	189-194 °C
solubility	10 g/L
density	1.19 g/cm3 at 20 °C
bulk density	220‑400 kg/m3
λ<sub>max</sub>	589-594 nm in water
absorbance ratio	0.98-1.20 (Ratio, E (lambdamax - 15 nm)/E (lambdamax + 15 nm))

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