Skip to Content
Merck

Key Documents

View All Documentation

Skip To

O7252

Orange G

Dye content, ≥80%, certified by the Biological Stain Commission, powder

Synonym(s):

1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt, Acid Orange 10, Wool Orange 2G

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View
Pack SizeSKUAvailabilityPrice
25 g
Please contact Customer Service for Availability
PLN 477.00
100 g
Please contact Customer Service for Availability
PLN 1,540.00

About This Item

Empirical Formula (Hill Notation):
C16H10N2Na2O7S2
CAS Number:
1936-15-8
Molecular Weight:
452.37
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24897871
EC Number:
217-705-6
MDL number:
MFCD00012457
Beilstein/REAXYS Number:
4120705
Colour Index Number:
16230

PLN 477.00

Please contact Customer Service for Availability
​
Request a Bulk Order
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Orange G, certified by the BSC

agency

certified by the BSC

Quality Level

200

form

powder

composition

Dye content, ≥80%

technique(s)

microbe id | staining: suitable

color

orange to very dark orange

solubility

water: 1 mg/mL, clear

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item
O3756861286195235
Orange G certified by the BSC

Sigma-Aldrich

O7252

Orange G

Orange G for NA electrophoresis

Sigma-Aldrich

O3756

Orange G

Orange G certified by the BSC, Dye content 80 %

Sigma-Aldrich

861286

Orange G

Orange II sodium salt (Certified by the Biological Stain Commission), Dye content ≥85 %

Sigma-Aldrich

195235

Orange II sodium salt

grade

certified by the Biological Stain Commission

grade

for molecular biology

grade

certified by the Biological Stain Commission

grade

-

technique(s)

microbe id | staining: suitable

technique(s)

nucleic acid detection: suitable

technique(s)

microbe id | staining: suitable

technique(s)

-

color

orange to very dark orange

color

-

color

orange to very dark orange, and Red to Very Dark Red and Orange-Red and Red-Orange and Dark Red-Orange

color

-

form

powder

form

powder

form

powder

form

powder

solubility

water: 1 mg/mL, clear

solubility

water: 1 mg/mL, clear, orange to red

solubility

H2O: 1 mg/mL

solubility

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

General description

Orange G (C.l. 16230) is the disodium salt of benzeneazo-2-naphthol-6,8-disulfonic acid, C16H10N2O7S2Na2. Orange G, also known as wool orange 2G, is a component in several industry applications including cytology, histology, biology, and industrial staining. It is a component of Mallory′s connective tissue stain.

Application

Certified for use in Mallory′s connective tissue stain; Wilson-Ezrin method for pituitary acidophils; Kreyberg′s method for keratin and mucus; as a counterstain following Heidenhain′s iron hematoxylin on paraffin sections; Flemming′s triple stain on paraffin sections of onion root.
Orange G is typically used as a background or cytoplasmic stain for various biological samples including a common application within clincial cytology within Papanicolaou varients.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBT1737
0000456271
0000456271
SHBS5179
0000346595

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Integrity of chromatin and replicating DNA in nuclei released from fission yeast by semi-automated grinding in liquid nitrogen.
Givens RM
BMC Research Notes, 4, 499-499 (2011)
Asli Yuksel et al.
Journal of hazardous materials, 190(1-3), 1058-1062 (2011-03-29)
Complete degradation of azo dye Orange G was studied using a 500 mL continuous flow reactor made of SUS 316 stainless steel. In this system, a titanium reactor wall acted as a cathode and a titanium plate-type electrode was used
Jianfeng Ma et al.
Journal of hazardous materials, 186(2-3), 1758-1765 (2011-01-14)
Organobentonite is suggested as potential super-sorbents for the removal of dyes from wastewater. All kinds of organobentonites are synthesized to adsorb dyes; however, the mechanism of the adsorption is still unclear. In this paper, organobentonites were first modified with hexadecyltrimethylammonium
Suneet Khandelwal et al.
International journal of oral science, 2(1), 45-52 (2010-08-10)
To analyse the cytomorphological features of keratinocytes in smears obtained from the oral mucosa of tobacco users and from oral squamous cell carcinoma lesions. Oral smears were obtained from clinically, normal appearing mucosa of oral squamous cell carcinoma patients (n=20)
M Arulkumar et al.
Journal of hazardous materials, 186(1), 827-834 (2011-01-15)
Thespesia populnea is a large tree found in the tropical regions and coastal forests of India. Its pods were used as a raw material for the preparation of activated carbon. The prepared activated carbon was used for the adsorptive removal
View All Related Papers

Global Trade Item Number

SKUGTIN
O7252-100G04061834248422
O7252-25G04061835573752

Questions

Reviews

No rating value

Active Filters

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service