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274676-47-0 molecular structure
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methane

ChemBase ID: 128306
Molecular Formular: CH4
Molecular Mass: 16.04246
Monoisotopic Mass: 16.03130013
SMILES and InChIs

SMILES:
C
Canonical SMILES:
C
InChI:
InChI=1S/CH4/h1H4
InChIKey:
VNWKTOKETHGBQD-UHFFFAOYSA-N

Cite this record

CBID:128306 http://www.chembase.cn/molecule-128306.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
methane
IUPAC Traditional name
methane
Synonyms
Methane-12C
Methane
Carbon powder, activated, Norit GSX, steam activated, acid washed
Carbon slug, activated, 6-8 mesh
Graphite rod, 5cm (2.0in) dia x 61cm (24in) long
Carbon felt, 6.35mm (0.25in) thick
Carbon, plasma standard solution, Specpure®, C 10,000 g/ml
Carbon powder, activated
Carbon, plasma standard solution, Specpure®, C 1000 g/ml
Methane
(7α,11α,17α)-11,17-Dihydroxy-3-oxopregn-4-ene-7,21-dicarboxylic Acid γ-Lactone Methyl Ester
11α,17β-Dihydroxypregn-4-en-3-one 7α,21-dicarboxylic Acid γ-Lactone Methyl Ester
11α-Hydroxymexrenone
11α-Hydroxy Mexrenone
Carbon, activated, Norit ROW 0.8mm pellets, steam activated
Carbon sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick
Carbon sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick
Carbon sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick
Carbon sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick
Carbon black, acetylene, 50% compressed
Carbon yarn, woven from 0.076mm (0.003in) dia fibers
Glassy carbon spherical powder, 630-1000 micron, type 2
Carbon felt, 1.27cm (0.5in) thick
Glassy carbon spherical powder, 200-400 micron, type 2
Glassy carbon splinter powder, 2000-3150 micron, type 1
Glassy carbon splinter powder, 630-1000 micron, type 2
Glassy carbon splinter powder, 2000-3150 micron, type 2
Glassy carbon splinter powder, 3150-4000 micron, type 2
Glassy carbon splinter powder, 1000-2000 micron, type 2
Glassy carbon splinter powder, 3150-4000 micron, type 1
Glassy carbon splinter powder, 630-1000 micron, type 1
Carbon, activated, -4+8 mesh
Carbon felt, 3.18mm (0.125in) thick
Carbon felt, 2.54cm (1.0in) thick
Carbon, activated, 2mm & down
2,2,3,3,4,4,4-Heptafluorobutanal hydrate
2,2,3,3,4,4,4-Heptafluorobutyraldehyde hydrate, tech.
C
甲烷-12C
甲烷
碳粉末,活性,, Norit GSX,蒸汽活化, 酸洗
碳块,活性,6-8目
石墨棒, 5cm (2.0in) 直径 x 61cm (24in) 长
碳毡, 6.35mm (0.25in)厚
碳,等离子标准溶液, Specpure®, C 10,000®g/ml
碳粉末, 活化的
碳,等离子标准溶液, Specpure®, C 1000®g/ml
活性碳, Norit ROW 0.8mm球状,蒸汽活化
碳溅射靶, 50.8mm (2.0in) 直径 x 6.35mm (0.250in) 厚
碳溅射靶, 76.2mm (3.0in) 直径 x 6.35mm (0.250in) 厚
碳溅射靶, 76.2mm (3.0in) 直径 x 3.18mm (0.125in) 厚
碳溅射靶, 50.8mm (2.0in) 直径 x 3.18mm (0.125in) 厚
碳黑, 来自乙炔, 50%压缩, 99.9+% (metals basis)
碳纱,0.076mm (0.003in) 直径的纤维织成
玻璃碳球状粉末, 630-1000 微米, type 2
碳毡, 1.27cm (0.5in)厚
玻璃碳球状粉末, 200-400微米, type 2
玻璃碳片状粉末, 2000-3150微米, type 1
玻璃碳片状粉末, 630-1000微米, type 2
玻璃碳片状粉末, 2000-3150微米, type 2
玻璃碳片状粉末, 3150-4000微米, type 2
玻璃碳片状粉末, 1000-2000微米, type 2
玻璃碳片状粉末, 3150-4000微米, type 1
碳毡, 2.54cm (1.0in)厚
玻璃碳片状粉末, 630-1000微米, type 1
活性碳, -4+8目
碳毡, 1.27cm (0.5in) 厚
碳毡, 3.18mm (0.125in)厚
活性碳, 2mm 或更小
2,2,3,3,4,4,4-七氟丁醛 水合物, tech.
CAS Number
274676-47-0
192704-56-6
375-02-0
7440-44-0
1333-86-4
74-82-8
EC Number
206-783-7
215-609-9
231-153-3
200-812-7
231-955-3
MDL Number
MFCD00133992
MFCD00150588
MFCD00008279
MFCD00144065
Beilstein Number
1718732
1367365
PubChem SID
24869888
24857787
24845254
162222614
24872541
PubChem CID
297
CHEBI ID
16183
CHEMBL
17564
Chemspider ID
291
Gmelin ID
59
KEGG ID
C01438
MeSH Name
Methane
Wikipedia Title
Methane

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
H Acceptors H Donor
LogD (pH = 5.5) 1.080923  LogD (pH = 7.4) 1.080923 
Log P 1.080923  Molar Refractivity 6.3468 cm3
Polarizability 2.601 Å3 Polar Surface Area 0.0 Å2
Rotatable Bonds Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
22.7 mg L-1 in water expand Show data source
Apperance
≈10.6g/10x10cm expand Show data source
≈19.1g/10x10cm expand Show data source
≈2.2kg/pc expand Show data source
≈2.4g/10x10cm expand Show data source
≈4.8g/10x10cm expand Show data source
≈9.86g/10x10cm expand Show data source
Colorless gas expand Show data source
gas expand Show data source
Hot Pressed expand Show data source
Liquid expand Show data source
S.A. 75m2/g, Bulk density 80-120g/L expand Show data source
Melting Point
-182.45°C (90.7K) expand Show data source
-183 °C(lit.) expand Show data source
Boiling Point
-161 °C(lit.) expand Show data source
-164.15 - -160.15°C (109 - 113 K) expand Show data source
Flash Point
-188 °C expand Show data source
-306.4 °F expand Show data source
Auto Ignition Point
537 °C expand Show data source
998 °F expand Show data source
Density
0.6556 g L-1 expand Show data source
0.716 g/mL at 25 °C(lit.) expand Show data source
Refractive Index
1.3200 expand Show data source
Vapor Density
0.55 (vs air) expand Show data source
Partition Coefficient
1.09 expand Show data source
Henry Constant
14 nmol Pa-1 kg-1 expand Show data source
Odor
Odorless expand Show data source
Heat Capacity
35.69 J K-1 mol-1 expand Show data source
Std enthalpy of combustion
-891.1–-890.3 kJ mol-1 expand Show data source
Std enthalpy of formation
-74.87 kJ mol-1 expand Show data source
Std molar entropy
186.25 J K-1 mol-1 expand Show data source
Transition Temperature
critical temperature -82.1 °C expand Show data source
RTECS
FF5250100 expand Show data source
FF5800000 expand Show data source
PA1490000 expand Show data source
European Hazard Symbols
Flammable Flammable (F) expand Show data source
Highly flammable Highly flammable (F+) expand Show data source
X expand Show data source
Irritant Irritant (Xi) expand Show data source
UN Number
1971 expand Show data source
UN1325 expand Show data source
UN1362 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
nwg expand Show data source
Hazard Class
2.1 expand Show data source
4.1 expand Show data source
4.2 expand Show data source
Packing Group
III expand Show data source
Risk Statements
11 expand Show data source
11-40 expand Show data source
12 expand Show data source
36/37/38 expand Show data source
R12 expand Show data source
Safety Statements
23-26-37 expand Show data source
33 expand Show data source
36/37 expand Show data source
9-16-33 expand Show data source
S2, S16, S33 expand Show data source
TSCA Listed
U expand Show data source
expand Show data source
expand Show data source
EU Index
601-001-00-4 expand Show data source
GHS Pictograms
GHS flame expand Show data source
GHS02 expand Show data source
GHS04 expand Show data source
GHS07 expand Show data source
GHS08 expand Show data source
GHS Signal Word
DANGER expand Show data source
Danger expand Show data source
NFPA704
NFPA 704 diagram
4
1
0
expand Show data source
Explode Limits
15 % expand Show data source
5–15% expand Show data source
GHS Hazard statements
220 expand Show data source
H220-H280 expand Show data source
H228 expand Show data source
H228-H252 expand Show data source
H228-H351 expand Show data source
H315-H319-H335 expand Show data source
GHS Precautionary statements
210 expand Show data source
P210-P241-P280-P235+P410-P370+P378A-P420 expand Show data source
P210-P241-P280-P240-P370+P378A expand Show data source
P210-P241-P280-P308+P313-P405-P501A expand Show data source
P210-P410 + P403 expand Show data source
P261-P305+P351+P338-P302+P352-P321-P405-P501A expand Show data source
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) expand Show data source
Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US) expand Show data source
RID/ADR
UN 1971 2.1 expand Show data source
Purity
≥99.0% expand Show data source
≥99.995% (GC) expand Show data source
≥99.998% expand Show data source
95% expand Show data source
98% expand Show data source
99% (metals basis) expand Show data source
99.0% expand Show data source
99.9+% expand Show data source
99.999% (metals basis) expand Show data source
Ash 4% max expand Show data source
Grade
analytical standard expand Show data source
electronic grade expand Show data source
puriss. expand Show data source
Isotopic Purity
99.9 atom % 12C expand Show data source
Certificate of Analysis
Download expand Show data source
Description
13C-depleted expand Show data source
Impurities
<2 ppm CO expand Show data source
<2 ppm CO2 expand Show data source
<3 ppm Water (H2O) expand Show data source
<5 ppm Ethane (C2H5) expand Show data source
<5 ppm Nitrogen (N2) expand Show data source
≤0.0005% CnHm expand Show data source
≤0.0015% ethane expand Show data source
CO2, trace expand Show data source
N2, trace expand Show data source
O2, trace expand Show data source
water, trace expand Show data source
Shelf Life
(limited shelf life, expiry date on the label) expand Show data source
Linear Formula
12CH4 expand Show data source
Empirical Formula (Hill Notation)
CH4 expand Show data source

DETAILS

DETAILS

Wikipedia Wikipedia Sigma Aldrich Sigma Aldrich TRC TRC
Sigma Aldrich - 295477 external link
Features and Benefits
Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.
Packaging
56 L in steel cylinder
Recommended products
Brass control valve Z146943 or either of brass regulators Z146706 and Z146714 is recommended.
Sigma Aldrich - 490210 external link
Packaging
This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.
Recommended products
The use of a brass regulator is recommended.
Sigma Aldrich - 463035 external link
Features and Benefits
Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.
Packaging
24 L in ss cylinder
Recommended products
High-purity regulators Z527378 or Z527386 are recommended.
Sigma Aldrich - 02391 external link
Features and Benefits
Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.
Other Notes
Sales restrictions may apply
Packaging
pressure tin size 1Lfilling pressure at 15°C: 11 bar; content (15°C, 1 bar): 11 l; Recommended valves see section ′Tools/Valves and Adapter for Cylinders′ in the annex of the Fluka-Riedel-Catalog or under www.sigmaaldrich.com/fluka/bulletin/fl_analytix_v5_n7.pdf
Sigma Aldrich - 02329 external link
Features and Benefits
Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.
Toronto Research Chemicals - H948140 external link
11α-Hydroxy Mexrenone is an intermediate used in the chemobiological synthesis of Eplerenone (E588775), a cardiovascular drug.

REFERENCES

REFERENCES

From Suppliers Google Scholar IconGoogle Scholar PubMed iconPubMed Google Books IconGoogle Books
  • • Boeren, S., et al.: Biotech. Bioeng., 29, 305 (1987)
  • • Anon., et al.: Drugs Future, 25, 516 (1987)
  • • McMahon, E., et al.: Curr. Opin Pharmacol., 1, 190 (1987)
  • • Extruded carbon with large pore volume and pore size distribution, suitable for decolorization, deodorisation and purification applications.
  • • High purity grade with high internal surface area, suitable for decolorization, purification and catalyst carrier applications.
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PATENTS

PATENTS

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INTERNET

INTERNET

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