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Sigma-Aldrich

Nitromethane

ACS reagent, ≥95%

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About This Item

Empirical Formula (Hill Notation):
CH3NO2
CAS Number:
75-52-5
Molecular Weight:
61.04
Beilstein:
1698205
EC Number:
200-876-6
MDL number:
MFCD00007400
UNSPSC Code:
12352102
PubChem Substance ID:
329755264
NACRES:
NA.21
grade:
ACS reagent
bp:
101.2 °C (lit.)
vapor pressure:
2.7 mmHg ( 20 °C)
Pricing and availability is not currently available.

grade

ACS reagent

Quality Level

200

vapor density

2.1 (vs air)

vapor pressure

2.7 mmHg ( 20 °C)

Assay

≥95%

form

liquid

autoignition temp.

784 °F

expl. lim.

7.3 %, 33 °F

dilution

(for analytical testing)

impurities

≤0.05% water

color

APHA: ≤10

refractive index

n20/D 1.382 (lit.)

pH

6.4 (20 °C, 0.01 g/L)

bp

101.2 °C (lit.)

mp

−29 °C (lit.)

density

1.127 g/mL at 25 °C (lit.)

suitability

clear for appearance

SMILES string

C[N+]([O-])=O

InChI

1S/CH3NO2/c1-2(3)4/h1H3

InChI key

LYGJENNIWJXYER-UHFFFAOYSA-N

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General description

Nitromethane is an aliphatic nitro compound that is commonly used as a solvent for chemical processing and analysis.

Application

Nitromethane can be used as a solvent in the:
  • FeCl3-catalyzed Friedel-Crafts alkylation of indoles with alcohols.
  • Cobalt-catalyzed dehydration of aldoximes to nitriles.
  • Chemoselective oxidation of alcohols to carbonyl compounds.
  • Gold-catalyzed hydroarylation of aryl-substituted alkynes.

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Flam. Liq. 3 - Repr. 2

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 2

Flash Point(F)

95.0 °F - closed cup

Flash Point(C)

35 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT8770
MKCV0312
MKCV0898
MKCT1979
MKCT5752

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Metal ion encapsulation: cobalt cages derived from polyamines, formaldehyde, and nitromethane.
Geue RJ, et al.
Journal of the American Chemical Society, 106(19), 5478-5488 (1984)
The catalytic chemistry of nitromethane over Co-ZSM5 and other catalysts in connection with the methane-NOxSCR reaction.
Cowan AD, et al.
J. Catal., 176(2), 329-343 (1998)
Benedek Vakulya et al.
Organic letters, 7(10), 1967-1969 (2005-05-07)
Cinchona alkaloid-derived chiral bifunctional thiourea organocatalysts were synthesized and applied in the Michael addition between nitromethane and chalcones with high ee and chemical yields.
Junhong Shan et al.
Chemosphere, 86(4), 323-328 (2011-11-01)
In this study, the effects of pH, bromide and nitrite on the formation of halonitromethanes (HNMs) and trihalomethanes (THMs) from eight amino acids (glycine, alanine, serine, cysteine, aspartic acid, glutamic acid, lysine and histidine) and four amino sugars (glucosamine, galactosamine
Huachang Hong et al.
The Science of the total environment, 444, 196-204 (2012-12-29)
The formations of THMs, HAAs, and HNMs from chlorination and chloramination of water from Jinlan Reservoir were investigated in this study. Results showed that monochloramine rather than chlorine generally resulted in lower concentration of DBPs, and the DBPs formation varied
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Questions

1–2 of 2 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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