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Merck

225819

Sigma-Aldrich

Hydrazine hydrate

reagent grade, N2H4 50-60 %

Synonim(y):

Hydrazinium hydroxide

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100 ML
164,00 zł
50 G
342,00 zł
500 ML
403,00 zł
250 G
429,00 zł
1 KG
1170,00 zł

164,00 zł


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100 ML
164,00 zł
50 G
342,00 zł
500 ML
403,00 zł
250 G
429,00 zł
1 KG
1170,00 zł

About This Item

Wzór liniowy:
NH2NH2 · xH2O
Numer CAS:
Masa cząsteczkowa:
32.05 (anhydrous basis)
Numer WE:
Numer MDL:
Kod UNSPSC:
12352302
Identyfikator substancji w PubChem:
NACRES:
NA.21

164,00 zł


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klasa czystości

reagent grade

Poziom jakości

gęstość pary

>1 (vs air)

ciśnienie pary

5 mmHg ( 25 °C)

Formularz

liquid

skład

Degree of hydration, ~1.5
N2H4, 50-60%

granice wybuchowości

99.99 %

stężenie

50.0-60.0% (%H4N2 by Na2S2O3 basis, titration)

gęstość

1.029 g/mL at 25 °C (lit.)

ciąg SMILES

NN.[H]O[H]

InChI

1S/H4N2.H2O/c1-2;/h1-2H2;1H2

Klucz InChI

IKDUDTNKRLTJSI-UHFFFAOYSA-N

Opis ogólny

The addition of hydrazine hydrate to reduced graphene oxide (RGO) counter electrode improves its performance in dye-sensitized solar cells (DSSC).[1]

Zastosowanie

Hydrazine hydrate has been used for the deproteination of the enamel samples in a study.[2] It may be used as a reducing agent in the following:
  • Preparation of silver nanoparticles.[3]
  • Transformation of monosubstituted nitrobenzene derivatives to the corresponding anilines.[4]
  • Along with graphite for the conversion of nitro compounds (aromatic and aliphatic) to the amino compounds.[5][6]
Hydrazine hydrate may be used to prepare:
  • 3-(2-Benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles by reacting with 5-benzyloxy-2-styrylchromones.[7]
  • 3,5-Diphenyl-2-pyrazoline derivatives by reacting with 1,3-diphenyl-2-propen-1-one.[8]
  • 3′-Aryl-1,2,3,4,4′,5′-hexahydrospiro[quinoxalin-2,5′-pyrazol]-3-ones by reacting with 3-arylacylidene-3,4-dihydroquinoxalin-2(1H)-ones.[9]
  • It may also be used in the catalytic reduction of nitroarenes to aromatic amines.[10]

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Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Klasyfikacja zagrożeń

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1

Kod klasy składowania

3 - Flammable liquids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

204.8 °F - closed cup

Temperatura zapłonu (°C)

96 °C - closed cup

Środki ochrony indywidualnej

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


Wykazy regulacyjne

Wykazy regulacyjne dotyczą głównie produktów chemicznych. Można w nich podawać ograniczoną liczbę informacji na temat produktów niechemicznych. Brak wpisu oznacza, że żaden ze składników nie znajduje się w wykazie. Użytkownik odpowiada za zagwarantowanie bezpiecznego i zgodnego z prawem stosowania produktu.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certyfikaty analizy (CoA)

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Masz już ten produkt?

Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Synthesis and molecular structure of 3-(2-benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles. Reaction of 2-styrylchromones and hydrazine hydrate.
Pinto DC, et al.
Tetrahedron, 55(33), 10187-10200 (1999)
Catalytic reduction of nitroarenes with hydrazine hydrate in suitable solvents.
Ayyangar NR, et al.
Synthesis, 1981(08), 640-643 (1981)
Reduction of aromatic nitro compounds with hydrazine hydrate in the presence of an iron oxide hydroxide catalyst. I. The reduction of monosubstituted nitrobenzenes with hydrazine hydrate in the presence of ferrihydrite.
Lauwiner M, et al.
Applied Catalysis A: General, 172(1), 141-148 (1998)
Graphite catalyzed reduction of aromatic and aliphatic nitro compounds with hydrazine hydrate.
Byung HH, et al.
Tetrahedron Letters, 26(50), 6233-6234 (1985)
T Baumann et al.
Scientific reports, 5, 15194-15194 (2015-10-16)
Enamel proteins form a scaffold for growing hydroxyapatite crystals during enamel formation. They are then almost completely degraded during enamel maturation, resulting in a protein content of only 1% (w/v) in mature enamel. Nevertheless, this small amount of remaining proteins

Produkty

Professor Aran discusses engineering graphene-based materials through careful functionalization, enabling diverse applications.

Questions

1–5 of 5 Questions  
  1. 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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  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/449/386/product-dating-information-mk.pdf

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  3. What is the Department of Transportation shipping information for this product?

    1 answer
    1. 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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  4. What is the difference between Hydrazine hydrate product numbers 225819, 215155 and 207942?

    1 answer
    1. Prod. No. 215155 is anhydrous hydrazine. There is no water associated with this product. It has a molecular (formula) weight of 32.05. Prod. No. 207942 is hydrazine monohydrate. There is one mole of water for every mole of hydrazine. It has a molecular (formula) weight of 50.06. Prod. No. 225819 is hydrazine hydrate. The hydrazine content by weight from batch to batch may vary between 50 to 60%. Because the amount of water present (the other 40 to 50%) will also vary from batch to batch, it does not have a defined molecular (formula) weight. If a batch was found to contain 54 wt% hydrazine, then that batch would have 1.5 moles of water for every mole of hydrazine.

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  5. Is Product 225819, Hydrazine hydrate, a liquid or a solid?

    1 answer
    1. The package sizes for this product are in a mass unit (gram) rather than a volume unit (mL). However, this product is a liquid and not a solid. It has a reported density of 1.029 g/mL at 25°C.

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