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Merck
CN

1.04207

Neutral red (C.I. 50040)

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About This Item

Empirical Formula (Hill Notation):
C15H17ClN4
CAS Number:
553-24-2
Molecular Weight:
288.78
NACRES:
NA.21
UNSPSC Code:
41116130
MDL number:
MFCD00012651

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InChI

1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H

InChI key

PGSADBUBUOPOJS-UHFFFAOYSA-N

form

solid

composition

Dye, ≥90% spectrophotometric assay

pH

3.1 (20 °C, 10 g/L in H2O)

solubility

50 g/L

bulk density

350‑500 kg/m3

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-30°C

Quality Level

200

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General description

Neutral red (C.I. 50040) - for microscopy Certistain®, is a dry staining dye that is used to prepare a staining solution, that makes target structures in hematological specimen materials evaluable for diagnostic purposes. Neutral red belongs to the group of azines. Neutral red can be used for several staining such as supravital staining of leukocytes .In histology for nuclear staining, fluorescence staining, polychrome staining or for counterstaining in Gram staining. As CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain®

Analysis Note

Dye content (spectrophotometrically): ≥ 90 %
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (ethanol 50 %): 540 - 543 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; ethanol 50 %): 1420 - 1610
TLC-Test: passes test
Loss on drying (110 °C): ≤ 12 %
Suitability for microscopy: passes test

Legal Information

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品
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