二氟一氯甲烷:修订间差异
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小 機器人 新增: pl:R-22 |
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{{Infobox Chemikalie |
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| ImageFileL1 = Chlorodifluoromethane-2D-skeletal.png |
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| ImageSizeL1 = |
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| Andere Namen = * 二氟氯甲烷 |
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| ImageFileR1 = Chlorodifluoromethane-3D-vdW.png |
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* 二氟一氯甲烷 |
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| ImageSizeR1 = 120px |
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* 氟利昂-22 |
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| OtherNames = 二氟氯甲烷<br />二氟一氯甲烷<br />氯二氟甲烷<br />氟利昂22<br />氟里昂22<br />R22 |
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* 氟里昂-22 |
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| Section1 = {{Chembox Identifiers |
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* R22 |
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| CASNo = 75-45-6 |
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| EINECS = 200-871-9 |
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| PubChem = 6372 |
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| SMILES = C(F)(F)Cl |
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| Molare Masse = 86.47 g/mol |
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| InChI = 1/CHClF2/c2-1(3)4/h1H |
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| Aggregat = 气态 |
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| RTECS = PA6390000 |
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| KEGG = D03789 |
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| Schmelzpunkt = −157.3 [[摄氏温标|°C]]<ref name="BGIA GESTIS"/> |
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}} |
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| Siedepunkt = −40.9 °C<ref name="BGIA GESTIS"/> |
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| Section2 = {{Chembox Properties |
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| Dampfdruck = 9.08 [[巴|bar]] (20 °C)<ref name="BGIA GESTIS"/> |
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| Löslichkeit = 难溶于水 (3628 mg/l<ref name="BGIA GESTIS"/>) |
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| MolarMass = 86.47 |
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| Quelle GefStKz = <ref name="BGIA GESTIS"/> |
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| Gefahrensymbole = {{Gefahrensymbole|N}} |
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| R = {{R-Sätze|59}} |
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| MeltingPt = -175.42°C (97.73 K) |
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| S = {{S-Sätze|59}} |
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| BoilingPt = -40.7 C (232.45 K) |
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| MAK = 500 ml/m<sup>3</sup><ref name="BGIA GESTIS"/> |
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| Solubility = 0.7799 vol/vol (25°C),3.628 g/l |
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| GWP = 1810 (以100年为基准) <ref name="IPCC">P. Forster, P., V. Ramaswamy et al.: ''Changes in Atmospheric Constituents and in Radiative Forcing''. In: ''Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change''. Cambridge University Press, Cambridge und New York 2007, S. 212, ([http://ipcc-wg1.ucar.edu/wg1/Report/AR4WG1_Print_Ch02.pdf PDF])</ref> |
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| LogP = 1.08 |
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| VaporPressure = 908 kPa (20 °C) |
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| HenryConstant = 0.033 mol·kg<sup>-1</sup>·bar<sup>-1</sup> |
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}} |
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| Section3 = {{Chembox Structure |
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| CrystalStruct = |
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| Coordination = |
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| MolShape = [[四面体]] |
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}} |
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| Section4 = {{Chembox Hazards |
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| MainHazards = 对环境有害 ('''N''')<br />中枢神经镇静剂<br />[[致癌物質|第三类致癌物质]] |
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| NFPA-H = 1 |
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| NFPA-F = |
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| NFPA-R = 1 |
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| NFPA-O = |
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| RPhrases = {{R59}} |
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| SPhrases = {{S23}}, {{S24}}, {{S25}}, {{S59}} |
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| FlashPt = |
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| Autoignition = 632 °C |
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}} |
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}} |
}} |
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2010年4月29日 (四) 23:14的版本
一氯二氟甲烷 | |||
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IUPAC名 Chlorodifluoromethane | |||
别名 | 二氟氯甲烷 二氟一氯甲烷 氯二氟甲烷 氟利昂22 氟里昂22 R22 | ||
识别 | |||
CAS号 | 75-45-6 | ||
PubChem | 6372 | ||
SMILES |
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InChI |
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EINECS | 200-871-9 | ||
RTECS | PA6390000 | ||
KEGG | D03789 | ||
性质 | |||
化学式 | CHClF2 | ||
摩尔质量 | 86.47 g·mol⁻¹ | ||
外观 | 有类似醚气味的无色液体 | ||
密度 | 3.94 kg/m3(0 °C)[1] 3.66 kg/m3(15 °C) | ||
熔点 | -175.42°C (97.73 K) | ||
沸点 | -40.7 C (232.45 K) | ||
溶解性(水) | 0.7799 vol/vol (25°C),3.628 g/l | ||
log P | 1.08 | ||
蒸氣壓 | 908 kPa (20 °C) | ||
kH | 0.033 mol·kg-1·bar-1 | ||
结构 | |||
分子构型 | 四面体 | ||
危险性 | |||
警示术语 | R:R59 | ||
安全术语 | S:S23, S24, S25, S59 | ||
主要危害 | 对环境有害 (N) 中枢神经镇静剂 第三类致癌物质 | ||
NFPA 704 | |||
自燃温度 | 632 °C | ||
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
一氯二氟甲烷,别名氟利昂-22,分子式CHClF2。
性质
无色近乎无臭气体。不可燃。微溶于水。
制备
用途
用作致冷剂、聚四氟乙烯树脂原料和灭火剂等。
参考资料
- ^ Record of Chlordifluormethan in the GESTIS Substance Database from the IFA