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75360

Sigma-Aldrich

Tropaeolin 000 No. 1

for microscopy (Hist.), indicator (pH 7.6-8.9)

Synonym(s):

α-Naphthol orange, 4-(4-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Orange I

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About This Item

Empirical Formula (Hill Notation):
C16H11N2NaO4S
CAS Number:
523-44-4
Molecular Weight:
350.32
Colour Index Number:
14600
Beilstein:
3826844
EC Number:
208-346-6
MDL number:
MFCD00021510
UNSPSC Code:
12171500
PubChem Substance ID:
329766379
NACRES:
MA.02

grade

for microscopy (Hist.)
indicator (pH 7.6-8.9)

Quality Level

100

form

crystals

technique(s)

titration: suitable

SMILES string

[Na+].Oc1ccc(\N=N\c2ccc(cc2)S([O-])(=O)=O)c3ccccc13

InChI

1S/C16H12N2O4S.Na/c19-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;

InChI key

AZLXCBPKSXFMET-ZAGWXBKKSA-M

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Other Notes

Staining of proteins

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
240810/1

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I. Kalousek et al.
The International Journal of Biochemistry, 16, 121-121 (1984)

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