methane

• ChemBase编号: 128306
• 分子式: CH4
• 平均质量: 16.04246
• 单一同位素质量: 16.03130013
• SMILES: C
• Canonical SMILES: C
• InChI: InChI=1S/CH4/h1H4
• InChIKey: VNWKTOKETHGBQD-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: methane
• IUPAC传统名: methane
• 别名: 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.; 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

登记号

• CAS号: 192704-56-6; 375-02-0; 7440-44-0; 274676-47-0; 1333-86-4; 74-82-8
• EC号: 231-153-3; 215-609-9; 206-783-7; 200-812-7; 231-955-3
• MDL号: MFCD00144065; MFCD00133992; MFCD00150588; MFCD00008279
• Beilstein号: 1367365; 1718732
• PubChem SID: 24845254; 24857787; 24869888; 162222614; 24872541
• PubChem CID: 297
• CHEBI ID: 16183
• CHEMBL: 17564
• Chemspider ID: 291
• Gmelin ID: 59
• KEGG ID: C01438
• 医学主题词(MeSH): Methane
• 维基百科标题: Methane

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): 1.080923
• LogD (pH = 7.4): 1.080923
• Log P: 1.080923
• 摩尔折射率: 6.3468 cm^3
• 极化性: 2.601 Å^3
• 极化表面积: 0.0 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 22.7 mg L^-1 in water
• 外观: ≈10.6g/10x10cm; ≈19.1g/10x10cm; ≈2.2kg/pc; ≈2.4g/10x10cm; ≈4.8g/10x10cm; ≈9.86g/10x10cm; Colorless gas; gas; Hot Pressed; Liquid; S.A. 75m2/g, Bulk density 80-120g/L
• 熔点: -182.45°C (90.7K); -183 °C(lit.)
• 沸点: -161 °C(lit.); -164.15 - -160.15°C (109 - 113 K)
• 闪点: -188 °C; -306.4 °F
• 自燃点: 537 °C; 998 °F
• 密度: 0.6556 g L^-1; 0.716 g/mL at 25 °C(lit.)
• 折射率: 1.3200
• 蒸汽密度: 0.55 (vs air)
• 分配系数: 1.09
• 亨利常数: 14 nmol Pa^-1 kg^-1
• 气味: Odorless
• 热容: 35.69 J K^-1 mol^-1
• 标准摩尔燃烧焓 (ΔcH^o298): -891.1–-890.3 kJ mol^-1
• 标准摩尔生成焓 (ΔfH^o298): -74.87 kJ mol^-1
• 标准摩尔熵 (S^o298): 186.25 J K^-1 mol^-1
• 转变温度: critical temperature -82.1 °C

安全信息

• RTECS编号: FF5250100; FF5800000; PA1490000
• 欧盟危险性物质标志: 易燃性(Flammable) (F); 高度易燃性(Highly flammable) (F+); X; 刺激性(Irritant) (Xi)
• 联合国危险货物编号: 1971; UN1325; UN1362
• 德国WGK号: nwg
• 联合国危险货物等级: 2.1; 4.1; 4.2
• 联合国危险货物包装类别(PG): III
• 危险公开号: 11; 11-40; 12; 36/37/38; R12
• 安全公开号: 23-26-37; 33; 36/37; 9-16-33; S2, S16, S33
• TSCA收录: U; 否; 是
• 欧盟危险品索引: 601-001-00-4
• GHS危险品标识: GHS flame; GHS02; GHS04; GHS07; GHS08
• GHS警示词: DANGER; Danger
• NFPA704:
  

  4

  1

  0
• 爆炸极限: 15 %; 5–15%
• GHS危险声明: 220; H220-H280; H228; H228-H252; H228-H351; H315-H319-H335
• GHS警示性声明: 210; P210-P241-P280-P235+P410-P370+P378A-P420; P210-P241-P280-P240-P370+P378A; P210-P241-P280-P308+P313-P405-P501A; P210-P410 + P403; P261-P305+P351+P338-P302+P352-P321-P405-P501A
• 个人保护装置: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US); Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1971 2.1

产品相关信息

• 纯度: ≥99.0%; ≥99.995% (GC); ≥99.998%; 95%; 98%; 99% (metals basis); 99.0%; 99.9+%; 99.999% (metals basis); Ash 4% max
• 级别: analytical standard; electronic grade; puriss.
• 同位素纯度: 99.9 atom % 12C
• 简要说明: 13C-depleted
• 杂质: <2 ppm CO; <2 ppm CO2; <3 ppm Water (H2O); <5 ppm Ethane (C2H5); <5 ppm Nitrogen (N2); ≤0.0005% CnHm; ≤0.0015% ethane; CO2, trace; N2, trace; O2, trace; water, trace
• 有效期: (limited shelf life, expiry date on the label)
• 线性分子式: 12CH4
• Empirical Formula (Hill Notation): CH4

详细说明

Sigma Aldrich - 295477

Features and Benefits
甲烷用作碳化物和金刚石薄膜化学气相沉积 (CVD) 的碳源。
包装
56 L in steel cylinder
Recommended products
推荐使用铜质控制阀 Z146943 或铜质调节器 Z146706 和 Z146714 中的任意一种。

Sigma Aldrich - 490210

包装
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
建议使用铜质调节器。

Sigma Aldrich - 463035

Features and Benefits
甲烷用作碳化物和金刚石薄膜化学气相沉积 (CVD) 的碳源。
包装
24 L in ss cylinder
Recommended products
推荐使用高纯度调节器 Z527378 或 Z527386。

Sigma Aldrich - 02391

Features and Benefits
甲烷用作碳化物和金刚石薄膜化学气相沉积 (CVD) 的碳源。
Other Notes
可能实行销售限制
包装
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

Features and Benefits
甲烷用作碳化物和金刚石薄膜化学气相沉积 (CVD) 的碳源。

Toronto Research Chemicals - H948140

11α-Hydroxy Mexrenone is an intermediate used in the chemobiological synthesis of Eplerenone (E588775), a cardiovascular drug.

参考文献

• 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.