The melting range of this material is 25-28 °C. This product is supplied as either solid or liquid.
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Wichtige Dokumente
51799
Putrescin
analytical standard
Synonym(e):
1,4-Diaminobutan, 1,4-Butandiamin, Putrescin, Tetramethylendiamin
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100 MG
CHF 60.50
About This Item
Lineare Formel:
NH2(CH2)4NH2
CAS-Nummer:
Molekulargewicht:
88.15
Beilstein:
605282
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
85151701
PubChem Substanz-ID:
NACRES:
NA.24
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Qualität
analytical standard
Qualitätsniveau
Assay
≥98.5% (GC)
Haltbarkeit
limited shelf life, expiry date on the label
Expl.-Gr.
9.08 %
Methode(n)
HPLC: suitable
gas chromatography (GC): suitable
Brechungsindex
n20/D 1.457 (lit.)
bp
158-160 °C (lit.)
mp (Schmelzpunkt)
25-28 °C (lit.)
Dichte
0.877 g/mL at 25 °C (lit.)
Anwendung(en)
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
Format
neat
Lagertemp.
2-8°C
SMILES String
NCCCCN
InChI
1S/C4H12N2/c5-3-1-2-4-6/h1-6H2
InChIKey
KIDHWZJUCRJVML-UHFFFAOYSA-N
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Sonstige Hinweise
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Lagerklassenschlüssel
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 1
Flammpunkt (°F)
113.0 °F - closed cup
Flammpunkt (°C)
45 °C - closed cup
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The biosynthesis of spermidine and spermine from putrescine and methionine
Tabor H, et al.
The Journal of Biological Chemistry, 233, 907-914 (1958)
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A comparison of the TLC-densitometry and HPLC method for the determination of biogenic amines in fish and fishery products
Shakila J.R, et al.
Food Chemistry, 75, 255-259 (2001)
Stefan Biastoff et al.
Phytochemistry, 70(15-16), 1708-1718 (2009-08-05)
Putrescine N-methyltransferase (PMT) catalyses S-adenosylmethionine (SAM) dependent methylation of the diamine putrescine. The product N-methylputrescine is the first specific metabolite on the route to nicotine, tropane, and nortropane alkaloids. PMT cDNA sequences were cloned from tobacco species and other Solanaceae
Barry J Shelp et al.
Plant science : an international journal of experimental plant biology, 193-194, 130-135 (2012-07-17)
4-Aminobutyrate (GABA) accumulates in various plant parts, including bulky fruits such as apples, in response to abiotic stress. It is generally believed that the GABA is derived from glutamate, although a contribution from polyamines is possible. Putrescine, but not spermidine
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Does this come in liquid form or solid form?
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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how accurate is the amount of 100mg putrescine 51799-100mg (analytical standard) Can I take the amount in vial unchecked for my standard solution (1mg/ml)? So I want to dissolve the entire content of the vial in 100ml.
1 answer-
For 100 milligrams, the amount per vial when packaged should be between 100-105 mg. Also, this product is somewhat volatile, so it is possible that some of it could evaporate over time. In short, this product is not provided as a quantitative standard; there is not necessarily exactly 100 milligrams per vial. But it is guaranteed to meet the specifications for appearance, purity and identity: https://www.sigmaaldrich.com/specification-sheets/370/087/51799-BULK.pdf
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