This product reports the purity as analyzed by gas chromatography, taking into account peak area. This type of purity determination does not involve the measurement of weight or volume and thus cannot be expressed as a ratio of weight to weight, weight to volume, or volume to volume.
185914
Furfural
99%, liquid
Synonyma:
2-Furaldehyde, Furan-2-carboxaldehyde
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Vybrat velikost
Změnit zobrazení
| Vám/SKU | Dostupnost | Cena |
|---|---|---|
5 mL | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 725,00 Kč |
100 mL | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 080,00 Kč |
500 mL | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 410,00 Kč |
1 L | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 420,00 Kč |
2.5 L | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 4 660,00 Kč |
O této položce
Lineární vzorec:
C4H3OCHO
Číslo CAS:
Molekulová hmotnost:
96.08
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39150703
UNSPSC Code:
12352100
EC Number:
202-627-7
MDL number:
Beilstein/REAXYS Number:
105755
Assay:
99%
Form:
liquid
725,00 Kč
Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti.
Technický servis
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Dovolte nám, abychom vám pomohliNázev produktu
Furfural, 99%
vapor density
3.31 (vs air)
Quality Segment
vapor pressure
13.5 mmHg ( 55 °C)
assay
99%
form
liquid
autoignition temp.
599 °F
expl. lim.
19.3 %
refractive index
n20/D 1.525 (lit.)
bp
162 °C (lit.)
mp
−36 °C (lit.)
density
1.16 g/mL at 25 °C (lit.)
functional group
aldehyde
SMILES string
[H]C(=O)c1ccco1
InChI
1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H
InChI key
HYBBIBNJHNGZAN-UHFFFAOYSA-N
General description
Furfural is a heterocyclic aldehyde. It can be produced from agricultural raw materials containing pentosans and lignocellulosic feedstock. It is also obtained from xylose, via dehydration. Furan has various interesting properties, such as it thermosets easily, has physical strength and exhibits resistance to corrosion. It is a raw material for the production of various furan-based chemicals and solvents such as:
- methylfuran
- furfuryl alcohol
- tetrahydrofurfuryl alcohol
- tetrahydrofuran
- methyltetrahydrofuran
- dihydropyran
- furoic acid
Application
Furfural has been employed as a standard for the HPLC quantification of furfural in the autohydrolysate liquor obtained from microwave-irradiated maize bran. It may be used in the preparation of γ-valerolactone (GVL) and biofuel 2-methylfuran (51% yield).
Furfural undergoes hydrogenation in the vapor-phase over copper-containing catalysts to form furfuryl alcohol as the predominant product. It may also be used to prepare gel precursors for phenol-furfural aerogels.
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Tato položka | |||
|---|---|---|---|
| description 99% | description ACS reagent, 99% | description natural, ≥98%, FCC, FG | description analytical standard |
| assay 99% | assay 99% | assay ≥98% | assay ≥98.5% (GC) |
| Quality Level 100 | Quality Level 200 | Quality Level 400, 300 | Quality Level 100 |
| refractive index n20/D 1.525 (lit.) | refractive index n20/D 1.525 (lit.) | refractive index n20/D 1.525 (lit.) | refractive index n20/D 1.522-1.528, n20/D 1.525 (lit.) |
| mp −36 °C (lit.) | mp −36 °C (lit.) | mp −36 °C (lit.) | mp −36 °C (lit.) |
| bp 162 °C (lit.) | bp 162 °C (lit.) | bp 162 °C (lit.) | bp 162 °C (lit.) |
| density 1.16 g/mL at 25 °C (lit.) | density 1.16 g/mL at 25 °C (lit.) | density 1.16 g/mL at 25 °C (lit.) | density 1.16 g/mL at 25 °C (lit.) |
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Výstražné slovo
Danger
Kódy nebezpečí
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Chronic 3 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
Cílové orgány
Respiratory system
Skladovací třída
3 - Flammable liquids
Co se děje?
WGK 2
Bod vzplanutí (°F)
136.4 °F - closed cup
Bod vzplanutí (°C)
58 °C - closed cup
PPE (osobní ochranné prostředky)
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Is it the purity shown in the specification sheet 98,5% w/w , w/v or v/v?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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