MilliporeSigma
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861340

Sigma-Aldrich

Thionin acetate salt

certified by the Biological Stain Commission, Dye content ≥85 %

Synonym(s):
Lauth’s violet, 3,7-Diamino-5-phenothiazinium acetate
Empirical Formula (Hill Notation):
C12H9N3S · C2H4O2
CAS Number:
Molecular Weight:
287.34
Colour Index Number:
52000
Beilstein:
4345073
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

grade

certified by the Biological Stain Commission

form

powder

composition

Dye content, ≥85%

λmax

598 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CC([O-])=O.Nc1ccc2nc3ccc(N)cc3[s+]c2c1

InChI

1S/C12H10N3S.C2H4O2/c13-7-1-3-9-11(5-7)16-12-6-8(14)2-4-10(12)15-9;1-2(3)4/h1-6H,13-14H2;1H3,(H,3,4)/q+1;/p-1

InChI key

OWXBIRAFHWASMS-UHFFFAOYSA-M

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Application

Thionin acetate salt has been used in the Nissl stain for the labeling of neuronal cell bodies.

Packaging

5, 25 g in glass bottle

Biochem/physiol Actions

Thionin is a metachromatic cationic dye. It is widely used as a biological stain especially in histology.

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

Certificate of Analysis

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Certificate of Origin

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