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1.04159

Sigma-Aldrich

Orcein

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About This Item

NACRES:
NA.21
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form

solid

Quality Level

bulk density

900‑1000 kg/m3

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-30°C

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This Item
O7380O75051.04176
Orcein

1.04159

Orcein

Orcein synthetic

O7380

Orcein

Orcein synthetic, certified by the BSC

O7505

Orcein

form

solid

form

powder or crystals

form

powder

form

solid

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-30°C

storage temp.

room temp

storage temp.

room temp

storage temp.

2-30°C

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

bulk density

900‑1000 kg/m3

bulk density

-

bulk density

-

bulk density

650 kg/m3

General description

The dry dye Orcein for microscopy Certistain® is used for the preparation of a staining solution for staining of elastic fibers. It is also used for sex chromatin staining, nuclear staining and demonstration of hepatic inclusions, especially of hepatitis B antigen. As a CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain®

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (NaOH 0.01 mol/l): 575 - 580 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.001 %; Sodium hydroxide solution 0.01 mol/l): 270 - 330
TLC-Test: passes test
Loss on drying (110 °C): ≤ 7 %
Suitability for microscopy: passes test

Legal Information

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3


Certificates of Analysis (COA)

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