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Thionin acetate 78338-22-4

Thionin acetate 78338-22-4

CAS No.: 78338-22-4

Thionin acetate (Thionine acetate) is a metachromatic cationic histological dye extensively used in biological staining.
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This product is for research use only, not for human use. We do not sell to patients.

Thionin acetate (Thionine acetate) is a metachromatic cationic histological dye extensively used in biological staining.

Physicochemical Properties


Molecular Formula C₁₄H₁₃N₃O₂S
Molecular Weight 287.34
Exact Mass 287.073
CAS # 78338-22-4
PubChem CID 2724414
Appearance Green to dark green solid powder
Density 0.82 g/mL at 25 °C(lit.)
Boiling Point 116-117 °C(lit.)
Flash Point 46 °F
Index of Refraction n20/D 1.389(lit.)
LogP 2.813
Hydrogen Bond Donor Count 2
Hydrogen Bond Acceptor Count 5
Rotatable Bond Count 0
Heavy Atom Count 20
Complexity 414
Defined Atom Stereocenter Count 0
InChi Key JOIRQYHDJINFGA-UHFFFAOYSA-N
InChi Code

InChI=1S/C12H9N3S.C2H4O2/c13-7-1-3-9-11(5-7)16-12-6-8(14)2-4-10(12)15-9;1-2(3)4/h1-6,13H,14H2;1H3,(H,3,4)
Chemical Name

(7-aminophenothiazin-3-ylidene)azanium;acetate
Synonyms

Thionine acetate3,7-Diamino-5-phenothiazinium acetate Lauth's violet
HS Tariff Code 2934.99.9001
Storage

Powder-20°C 3 years

4°C 2 years

In solvent -80°C 6 months

-20°C 1 month

Note: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture and light.
Shipping Condition Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity


References The use of filter paper discs impregnated with thionin acetate, basic fuchsin and thionin blue in the identification of Brucella species[J]. The Onderstepoort journal of veterinary research, 1990, 57(3):197-199
Additional Infomation Thionine acetate is an organic salt. It has a role as a fluorochrome. It contains a thionine cation.

Solubility Data


Solubility (In Vitro) DMSO : ~41.67 mg/mL (~145.02 mM)
Solubility (In Vivo) Solubility in Formulation 1: ≥ 2.08 mg/mL (7.24 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (7.24 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.4802 mL 17.4010 mL 34.8020 mL
5 mM 0.6960 mL 3.4802 mL 6.9604 mL
10 mM 0.3480 mL 1.7401 mL 3.4802 mL
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.