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1.04159

Sigma-Aldrich

Orcein

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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
1.15938O7505O7380
vibrant-m

1.04159

Orcein

vibrant-m

O7505

Orcein

vibrant-m

O7380

Orcein

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

room temp

storage temp.

room temp

Quality Level

200

Quality Level

400

Quality Level

200

Quality Level

100

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

bulk density

900‑1000 kg/m3

bulk density

500 kg/m3

bulk density

-

bulk density

-

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


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