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Orange II sodium salt_Molecular_structure_CAS_633-96-5)
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Orange II sodium salt

Catalog No. O4505 Name Sigma Aldrich
CAS Number 633-96-5 Website http://www.sigmaaldrich.com
M. F. C16H11N2NaO4S Telephone 1-800-521-8956
M. W. 350.32431 Fax
Purity Email
Storage Chembase ID: 105964

SYNONYMS

Title
金橙 II 钠盐
IUPAC name
sodium 4-[(E)-2-(2-hydroxynaphthalen-1-yl)diazen-1-yl]benzene-1-sulfonate
IUPAC Traditional name
sodium 4-[(E)-2-(2-hydroxynaphthalen-1-yl)diazen-1-yl]benzenesulfonate
Synonyms
酸性二号橙
橙黄 II
酸性橙 7
4-(2-羟基-1-萘偶氮)苯磺酸 钠盐
金莲橙 OOO-2

DATABASE IDS

Beilstein Number 3898201
Color Index Number 15510
CAS Number 633-96-5
EC Number 211-199-0
MDL Number MFCD00011657

PROPERTIES

Grade certified by the Biological Stain Commission
European Hazard Symbols Irritant Irritant (Xi)
Risk Statements 36/37/38
RTECS DB7084000
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
Suitability
Certified as a substitute for methyl orange in the Wilson-Ezrin method for pituitary acidophils; as a counterstain for Heidenhain′s or Weigert′s hematoxylin on paraffin sections; as a substitute for Orange G in Flemming′s triple stain.

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