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Orange G

SIGMA/O7252 - certified by the BSC

Synonym: 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

CAS Number: 1936-15-8
Empirical Formula (Hill Notation): C16H10N2Na2O7S2
Molecular Weight: 452.37
EC Number: 217-705-6
MDL Number: MFCD00012457
Linear Formula: C16H10N2Na2O7S2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-O7252-25G 25 g
 $80.50
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45-O7252-100G 100 g
 $249.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: O7252-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: O7252-25G

 

agency certified by the BSC
application(s) diagnostic assay manufacturing
hematology
histology
color orange to very dark orange
composition Dye content, ≥80%
form powder
InChI 1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;
InChI key HSXUHWZMNJHFRV-QIKYXUGXSA-L
Quality Level 200 
SMILES string [Na+].[Na+].Oc1ccc2cc(cc(c2c1N=Nc3ccccc3)S([O-])(=O)=O)S([O-])(=O)=O
solubility water: 1 mg/mL, clear
storage temp. room temp
technique(s) microbe id | staining: suitable
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.
Application: 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.
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.
Packaging: 25, 100 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Storage Temp. room temp
Colour Index Number 16230
UNSPSC 12171500

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