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D12384

3,3′-Diaminobenzidin

97%

Synonym(e):

3,3′,4,4′-Biphenyltetramin, 3,3′,4,4′-Tetraaminobiphenyl, DAB

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Größe/SKUVerfügbarkeitPreis
1 g
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€ 38,90
5 g
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€ 61,10
25 g
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€ 118,00

Über diesen Artikel

Lineare Formel:
(NH2)2C6H3C6H3(NH2)2
CAS-Nummer:
91-95-2
Molekulargewicht:
214.27
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24893384
EC Number:
202-110-6
Beilstein/REAXYS Number:
1212988
MDL number:
MFCD00007725
Assay:
97%
Form:
powder

€ 38,90

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Quality Segment

200

assay

97%

form

powder

mp

175-177 °C (lit.)

SMILES string

NC1=C(N)C=CC(C2=CC(N)=C(N)C=C2)=C1

InChI

1S/C12H14N4/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8/h1-6H,13-16H2

InChI key

HSTOKWSFWGCZMH-UHFFFAOYSA-N

Application

Peroxidase-Substrat; Reagenz zur spektrophotometrischen Bestimmung von Selen
3,3′-Diaminobenzidine can be used as a starting material to prepare:
  • Aromatic poly(imide) networks for hydrogen storage applications.
  • Various derivatives of quinoxalines by condensation with diketones.
  • Mesitylene-containing poly(benzimidazolium) analogs (Mes-PBI) for alkali anion-exchange membrane.

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 2

Lagerklasse

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Zulassungslistungen

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91-95-2

CAS No.

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Analysenzertifikate (COA)

Lot/Batch Number

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Questions

1–5 of 5 Questions  

  1. Can I store it at room temperature?

    1 answer

    1. Yes, this product is to be stored at room temperature.

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  4. What is the solubility of product D12384 ?

    1 answer

    1. Solubility: The chemical is soluble to a minimum of 22.4 mg/mL in EtOH with ultrasonic assistance, at least 4.09 mg/mL in H2O with ultrasonic assistance, and a minimum of 6.76 mg/mL in DMSO.
      Without ultrasonic assistance, this chemical is only slightly soluble in water, at a rate of 0.55 grams per liter.

      Helpful?

  5. I wonder how the powder dissolves

    1 answer

    1. This product is not tested for solubility. However, various sources state that this product can be solubilized in the following:
      Ethanol at ≥22.4 mg/mL with sonication
      Water at ≥4.09 mg/mL with sonication
      DMSO at ≥6.76 mg/mL

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