DAB solution may be filtered through a 0.2 micron filter immediately prior to use.
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Quality Segment
assay
≥96%
form
powder, crystals or chunks
technique(s)
titration: 96-104% (with NaOH)
color
white to light brown, and Faint Red and Faint Grey to Light Grey
mp
280 °C
solubility
H2O: 50 mg/mL
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
−20°C
SMILES string
O.Cl.Cl.Cl.Cl.Nc1ccc(cc1N)-c2ccc(N)c(N)c2
InChI
1S/C12H14N4.4ClH.H2O/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8;;;;;/h1-6H,13-16H2;4*1H;1H2
InChI key
DXWSCXIZIHILNP-UHFFFAOYSA-N
General description
Application
Biochem/physiol Actions
1 of 1
Este artículo | |||
|---|---|---|---|
| description ≥96% | description for spectrophotometric det. of Se, ≥97.5% | description ISOPAC® | description 97% (HPLC) |
| technique(s) titration: 96-104% (with NaOH) | technique(s) UV/Vis spectroscopy: suitable | technique(s) - | technique(s) - |
| color white to light brown, and Faint Red and Faint Grey to Light Grey | color - | color off-white to faint red, to beige | color - |
| application(s) diagnostic assay manufacturing | application(s) - | application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing |
| solubility H2O: 50 mg/mL | solubility - | solubility water: 50 mg/mL, clear to slightly hazy | solubility - |
| form powder, crystals or chunks | form - | form powder | form powder |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
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Palabra de advertencia
Danger
Códigos de peligro
Indicaciones de precaución
Hazard Classifications
Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 2
Clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Punto de inflamación (°F)
Not applicable
Punto de inflamación (°C)
Not applicable
EPI (equipos de protección individual)
Eyeshields, Gloves, type N95 (US)
Listados normativos
Los listados normativos se proporcionan para los productos químicos principalmente. Para los productos no químicos sólo se puede proporcionar información limitada. Si no hay ninguna entrada, significa que ninguno de los componentes está en la lista. Es obligación del usuario garantizar el uso seguro y legal del producto.
868272-85-9
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Can the solutions of Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB), be filtered?
1 respuesta-
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What is the shelf life of Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB)?
1 respuesta-
This product has a shelf life of 3 years.
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How is Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB), shipped and stored?
1 respuesta-
The product is shipped at ambient temperature. However, it is stored at -20 degrees C for long term storage.
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What is the solution stability of Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB)?
1 respuesta-
In our experience, solutions of DAB should be made immediately prior to use for best results. If and only if necessary, solutions can be kept in the dark and refrigerated for overnight storage. Based on our Immunology Department’s experience, storing the solution overnight did not give good reproducibility. However, the literature indicates that it is possible to store solutions of DAB at -20°C. DAB dissolved in Tris buffered saline (pH 7.6) at 0.6 mg/ml was reported to be stable for several weeks at 4°C.
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What is the Department of Transportation shipping information for this product?
1 respuesta-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Do you have a staining protocol for Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB)?
1 respuesta-
Dissolve 10 mg in 15 mL of Tris buffered saline, pH 7.6 (Tris-buffered saline tablet, Sigma Product No. T5030 may be used). Add 12 uL of fresh 30% hydrogen peroxide (Sigma Product No. H1009) prior to use. Solution may be filtered through a 0.2 micron filter immediately prior to use if necessary. DAB and hydrogen peroxide concentrations may be adjusted to suit individual applications. The stain can be enhanced with Ni. Make up 0.3% (w/v) NiCl2 in water. Add 1 mL of the NiCl2 stock to 9 mL DAB solution.
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What is Product D5637, 3,3´-Diaminobenzidine tetrahydrochloride hydrate (DAB), soluble in?
1 respuesta-
DAB HCl is soluble in water at 50 mg/ml yielding a clear to slightly hazy solution. For consistency, it is important to allow DAB to come to room temperature before making solutions. Water quality is extremely important, so only high quality deionized or distilled water should be used to make DAB solutions.
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