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Merck
CN
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安全信息

1.04175

Sigma-Aldrich

胭脂红(C.I.75470)

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经验公式(希尔记法):
C44H37AlCaO27 · 3H2O
CAS号:
分子量:
1118.85
UNSPSC代码:
12171500
NACRES:
NA.21

形式

solid

质量水平

组成

Dye, ≥50% spectrophotometric assay

溶解性

practically insoluble 1.3 g/L

堆积密度

290 kg/m3

应用

diagnostic assay manufacturing
hematology
histology

储存温度

2-30°C

InChI

1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)

InChI key

DGQLVPJVXFOQEV-UHFFFAOYSA-N

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一般描述

Carmine (C.I. 75470) (calcium-aluminium lacquer of carminic acid) for microscopy Certistain®, is a dry dye that is used for the preparation of a staining solution for staining nuclei and for demonstration of glycogen in histological sections of human origin.
As a Certistain® dye it is chemically quality-certified according to highest standards and strict specifications.

应用

(calcium-aluminium lacquer of carminic acid) for microscopy Certistain®

分析说明

Identity
- aluminium:
passes test
- Calcium: passes test
- UV/VIS-Spectrum: passes test
Dye content (spectrophotometrically): ≥ 50 % (als C₂₂H₂₀O₁₃)
Absorption maximum λ 1 (Dimethyl sulfoxide): 565 - 570 nm
Absorption maximum λ 2 (Dimethyl sulfoxide): 525 - 532 nm
Spec. Absorptivity A 1%/1cm
- λ1<SUB>m</SUB><SUB>a</SUB><SUB>x</SUB>; 0.05 g/l; DMSO:
80 - 110
- λ2<SUB>m</SUB><SUB>a</SUB><SUB>x</SUB>; 0.05 g/l; DMSO: 105 - 150
TLC-Test: passes test
Water (according to Karl Fischer): ≤ 15 %
Sulfated ash: 10 - 17 %
Suitability for microscopy: passes test

法律信息

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

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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