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34998
Acetonitrile
Acetonitrile
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≥99.9%, HPLC Plus, suitable for IR spectroscopy, HPLC
Synonym(s):
ACN, Cyanomethane, Ethyl nitrile, Methyl cyanide
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About This Item
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC Number:
MDL number:
UNSPSC Code:
41116105
eCl@ss:
39031501
PubChem Substance ID:
NACRES:
NA.03
grade:
HPLC Plus
Assay:
≥99.9%
technique(s):
HPLC: suitable
IR spectroscopy: suitable
IR spectroscopy: suitable
application(s):
food and beverages
bp:
81-82 °C (lit.)
vapor pressure:
72.8 mmHg ( 20 °C)
Pricing and availability is not currently available.
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Product Name
Acetonitrile, HPLC Plus, ≥99.9%
grade
HPLC Plus
Quality Level
vapor density
1.41 (vs air)
vapor pressure
72.8 mmHg ( 20 °C)
Assay
≥99.9%
form
liquid
autoignition temp.
973 °F
expl. lim.
16 %
baseline drift measuring range
≤12 mAU (210 nm)
technique(s)
HPLC: suitable
IR spectroscopy: suitable
impurities
≤0.0001% free alkali (as NH3)
≤0.0002% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.01% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 254 nm
≤0.5 ppb fluorescence (quinine) at 365 nm
halogenated residue
10 ng/L (as heptachlor epoxide)
refractive index
n20/D 1.344 (lit.)
bp
81-82 °C (lit.)
mp
−45 °C (lit.)
density
0.786 g/mL at 25 °C (lit.)
HPLC-gradient
≤0.2 mAU at 254 nm
≤1 mAU at 210 nm
λ
H2O reference
UV absorption
λ: 195 nm Amax: ≤0.10
λ: 200 nm Amax: ≤0.02
λ: 228 nm Amax: ≤0.005
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 nm Amax: ≤0.0044
application(s)
food and beverages
format
neat
SMILES string
CC#N
InChI
1S/C2H3N/c1-2-3/h1H3
InChI key
WEVYAHXRMPXWCK-UHFFFAOYSA-N
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General description
Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies (polarography, spectroscopy, etc.) have been reported by many researchers.[1]
Application
Acetonitrile has been used to compose the gradient system for the HPLC detection of diphenylmethane diisocyanate, a polymeric degradation product.[2]
New Quality UPLC Plus Acetonitrile is suitable for all applications including:
Mass spectrometry, HPLC, TLC, GPC, UV, IR, GC, Pesticide Residue Analysis, and RNA/DNA Synthesis and Purification.
Mass spectrometry, HPLC, TLC, GPC, UV, IR, GC, Pesticide Residue Analysis, and RNA/DNA Synthesis and Purification.
Packaging
Preparation Note
Product filtered through a 0.2 μm filter
Other Notes
Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
Important notice
- The article number 34998-4X2.5L will be discontinued. Please order the single bottle 34998-2.5L which is physically identical with the same exact specifications.
- The article number 34998-6X1L will be discontinued. Please order the single bottle 34998-1L which is physically identical with the same exact specifications.
Legal Information
Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
35.6 °F - closed cup
Flash Point(C)
2.0 °C - closed cup
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What kind of container is used for the 20L? Is a photo available?
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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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Can you recommend a Solvent Extractor for organics from aqueous solution?
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Solvent extractors are often used for the quantitative extraction of organics from aqueous solutions and separations in immunoassays. The MIXXOR system has been applied successfully in many laboratory solvent extraction operations and is ideal for the rapid screening of alternative solvents for specific extraction problems.
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Email us at [email protected] or visit Sigma-Aldrich Fine Chemicals for development and manufacturing-scale inquiries: [email protected]
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What apparatus do you recommend for HPLC solvent filtration?
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The Sigma-Aldrich Vacuum Filtration Assembly gives you all the components you need including: funnel top, fritted glass funnel support, filtration flask, aluminum clamp, and silicone stopper. The Acrodisc Syringe Filters offer high quality filtration for analytical samples, certified for HPLC to ensure low extractable and available in a broad range of membranes to meet sample compatibility requirements.
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