Substance
ID:367608
Names and Identifiers
IUPAC name
sodium 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
Synonyms
HelianthinOrange III4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium saltMethyl Orange甲基橙半日花素 BAcid Orange 52酸性橙 524-[4-(二甲氨基)苯基偶氮基]苯磺酸 钠盐橙黄 III
IUPAC Traditional name
sodium methyl orange
Registration numbers
CAS Number
EC Number
Beilstein Number
Color Index Number
MDL Number
PubChem SID
Properties
Product Information
pH Range
3.0 - 4.4, pink to yellow
Compostion
Dye content, ≥85%
Grade
certified by the Biological Stain Commission
Empirical Formula (Hill Notation)
C14H14N3NaO3S
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
UN Number
3143
RID/ADR
UN 3143 6.1/PG 3
Safety Statements
45
MSDS Link
GHS Hazard statements
H301
RTECS
DB6327000
GHS Signal Word
Danger
Risk Statements
25
European Hazard Symbols
Toxic (T)Personal Protective Equipment
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
GHS Precautionary statements
P301+P310
Hazard Class
6.1
Packing Group
3
German water hazard class
3
Physical Property
Absorption Wavelength
λmax 507 nm
Molecule Details
Packaging
25 g in glass bottle
Suitability
Certified for use in the Wilson-Ezrin method for pituitary acidophils; Kreyberg′s method for keratin and mucus; as a counterstain following Heidenhain′s or Weigert′s hematoxylin on paraffin sections; as a substitute for orange G in Flemming′s triple stain.
25 g in glass bottle
Suitability
Certified for use in the Wilson-Ezrin method for pituitary acidophils; Kreyberg′s method for keratin and mucus; as a counterstain following Heidenhain′s or Weigert′s hematoxylin on paraffin sections; as a substitute for orange G in Flemming′s triple stain.
Molecular Spectra
No Data Available
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References
No Data Available
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