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苯 | 71-43-2

Benzene, Super Dehydrated
71-43-2
C6H6
78.11
如需查看该化合物的详细结构式,mol文件,smile,InChi 请点击:苯结构式
苯MSDS
87563234
苯价格
名称和标识符
MDL MFCD00003009
InChIKey UHOVQNZJYSORNB-UHFFFAOYSA-N
Inchi 1S/C6H6/c1-2-4-6-5-3-1/h1-6H
SMILES C1=CC=CC=C1
BRN 969212
别名信息
- 中文别名 -
  • 安息油
  • 苯查儿
  • 纯苯
  • 精苯
  • 净苯
  • 困净苯
  • 溶剂苯
  • 苯 AR
  • 苯[用于分光光度测定法]
  • 苯标准溶液
  • 苯纯度分析标准物质
  • 苯溶液标准物质
  • 纯苯(安息油)
  • 粗苯
  • 焦化苯
  • 气相色谱仪检定用标准物质(苯-甲苯溶液)
  • 一类残留溶剂-甲苯
  • 纯苯现货有售
  • 苯,H20≤50 ppm(by K.F.)
  • 苯,含分子筛,H20≤50 ppm(by K.F.)
  • 二氯甲烷
- 英文别名 -
  • Benzene
  • Benzol
  • Benzolene
  • bicarburet of hydrogen
  • carbon oil
  • Coal naphtha
  • cyclohexatriene
  • mineral naphtha
  • motor benzol
  • nitration benzene
  • Phene
  • Phenyl hydride
  • pyrobenzol
  • BENZENE 5000
  • BENZENE 300
  • Benzene solution
  • BENZENE, EXTRA PURE
  • Benzeneneat
  • Annulene
  • Benzeen
  • Benzen
  • Benzole
  • Benzolo
  • Fenzen
  • Benzene in dimethyl sulfoxide
  • 1,3,5-Cyclohexatriene
  • NSC 67315
  • Pyrobenzole
  • [6]Annulene
  • Phenylhydride
  • Benzene-1,4-d2
  • {[6]Annulene}
  • ASTM Method D5134 Linearity Check Mixture
  • B0020
  • 1hyz
  • ACETONE IMPURITY C [EP IMPURITY]
  • 26181-88-4
  • ghl.PD_Mitscher_leg0.503
  • Benzene, anhydrous, 99.8%
  • NCGC00090744-02
  • California Residual Solvent Mixture 1 1000 microg/mL in Dimethyl Sulfoxide
  • 1swi
  • BNZ
  • HI-Flash naphtha
  • UN 1114
  • UNII-O3L624621X
  • California Residual Solvent Mixture 1 1000 microg/mL in Dimethyl Sulfoxide Second Source
  • Naphtha
  • Benzin (Obs.)
  • ASTM Method D5769 Quality Control Reference Material without IS in Isooctane
  • Benzenes Mixture for HJ 400-2007 500 microg/mL in Methanol
  • WLN: RH
  • 12 - VOCs - Tenax TA sorbent tubes (Perkin Elmer)
  • FT-0627856
  • Hawaii Solvent Mixture 245 10000 microg/mL in Acetonitrile
  • UN1114
  • Benzene-1,2,3,5-d4
  • UN2553
  • Fenzen [Czech]
  • Benceno
  • VOC Mixture 230 5-10 microg/mL in Methanol
  • Aromatic Hydrocarbons Mixture 898 200 microg/mL in Methanol
  • Benzene 100 microg/mL in Methanol
  • Benzenes Mixture for HJ 584-2010 100 microg/mL in Methanol
  • 7 - VOCs (Perkin Elmer tubes)
  • EINECS 232-443-2
  • Aromatic VOC Mix 1 2000 microg/mL in Methanol
  • EPA Method 624.1 VOC Mixture 1 2000 microg/mL in Methanol
  • VOC Mixture for GB/T 27630-2011 2000 microg/mL in Methanol
  • Benzolum
  • Benzene, labeled with carbon-14 and tritium
  • VOC Mixture 906 2000 microg/mL in Methanol
  • Tox21_202487
  • FT-0657604
  • Benzene 5000 microg/mL in Methanol
  • phenylmanganese iodide
  • NSC67315
  • Naphtha VM & P, regular
  • 54682-86-9
  • Mineral naphtha
  • DTXCID20135
  • Purgeable VOC Mixture 940 2000 microg/mL in Methanol
  • :benzene
  • 18C - Benzenes, Toluene and Xylenes
  • 8030-30-6
  • VOC Mixture for GB 5749-2006 200 microg/mL in Methanol
  • BENZENE [USP-RS]
  • Benzene, puriss., absolute, over molecular sieve (H2O <=0.005%), >=99.5% (GC)
  • Benzyna DO lakierow C
  • Skelly-solve H
  • EPA Method 503.1 Aromatic and Alkene Mixture 382 2000 microg/mL in Methanol
  • VOC Mixture 686 5-10 microg/mL in Methanol
  • EPA Method 8260 VOC Mixture 3 2000 microg/mL in Methanol
  • Mix of Aromatic Hydrocarbons 2 100 microg/mL in Methanol
  • Aromatic solvent
  • 71-43-2
  • UNII-13T6W0J5RE
  • Motor benzol
  • Rubber solvent
  • UN1136
  • Benzene, purification grade
  • UNII-J64922108F
  • Benzene, purum, >=99.0% (GC)
  • Washington Residual Solvents Mixture 708 20 microg/mL in N,N-Dimethylacetamide
  • Benzene, for HPLC
  • Benzene, for HPLC, >=99.8%
  • FT-0622637
  • NCGC00163890-01
  • Aromatic VOC Mix 3 2000 microg/mL in Methanol
  • NA1136
  • USEPA/OPP Pesticide Code: 008801
  • Amsco H-J
  • Unleaded gasoline
  • Bicarburet of hydrogen
  • Benzol 90
  • SVOC Mixture D 100-200 microg/mL in Dichloromethane
  • [6]-annulene
  • EPA Method 8020 Aromatic VOC Mixture 416 200 microg/mL in Methanol
  • VOC Mixture 617 1000 microg/mL in Methanol
  • PTN (CHRIS Code)
  • NA1256
  • NSC-67315
  • Benzene 30 microg/mL in N,N-Dimethylacetamide
  • Benzene ACS Grade
  • BENZENE [VANDF]
  • NA1137
  • 5 - VOCs
  • HJ 976-2018 9 Benzenes 1000 microg/mL in Methanol
  • ASTM Method D5580 Daily Quality Control Standard
  • VOC Mixture 903 2000 microg/mL in Methanol
  • VOA Solvent Mixture 461 1000 microg/mL in Methanol
  • benzene-
  • CAS-71-43-2
  • GB 50325-2010 VOC Mixture 123 Kit 10-1000 microg/mL in Methanol
  • ISO 15009 Aromatic Hydrocarbon Mixture 372 4000 microg/mL in Methanol
  • Mineral turpentine
  • Benzene, puriss. p.a., Reag. Ph. Eur., >=99.7%
  • Skelly-solve R
  • 12A. - VOCs - Carbopack X sorbent tubes
  • Mix of Aromatic Hydrocarbons 2 10 microg/mL in Methanol
  • GB 3838-2002 VOC Mixture 100 microg/mL in Methanol
  • Naphtha VM & P, high flash
  • Benzene (including benzene from gasoline)
  • VOC Mixture 224 1000 microg/mL in Methanol
  • Benzene [UN1114] [Flammable liquid]
  • Benzin
  • 3,4-DNH
  • Benzene, ReagentPlus(R), thiophene free, >=99%
  • BENZENE [MI]
  • Benzin B70
  • Super VMP
  • EPA VOC Mixture 1 2000 microg/mL in Methanol
  • BENZENE [MART.]
  • ACETONE IMPURITY C (EP IMPURITY)
  • Rubber solvent (Naphtha)
  • Aromatic VOC Mixture 882 2000 microg/mL in Methanol
  • BDBM50167939
  • trans-N, N-Dimethylphenylcyclopropylamine
  • benzin/obsolete/
  • trans-N-Methylphenylcyclopropylamine
  • ASTM Method D5769 Quality Control Reference Material with 3 IS in Isooctane
  • FT-0622636
  • Volatile Aromatic Compound Mix 1 200 microg/mL in Methanol
  • VOC Mixture 0.01 Wt %
  • Benzene + aniline combo
  • Benzine (Obs.)
  • PVOC Mixture 3 (Wisconsin) 1000 microg/mL in Methanol
  • ASTM Method D5986 Daily Quality Control Standard
  • Hydrotreated naphtha
  • LS-1605
  • VOC BTEX Mixture 162 2000 microg/mL in Methanol
  • DTXSID3039242
  • 1,3,5-cyclohexatriene
  • MFCD00003009
  • Benzene [UN1114] [Flammable liquid]
  • EPA Pesticide Chemical Code 008801
  • 22 - BTEX in Soil
  • NA1271
  • VOC-Mix 20 200 microg/mL in Methanol
  • erythro-Phenyl-2-piperidyl-carbinol,(-)
  • Naphtha 49 degree be-coal tar type
  • NAPHTHA V.M.+ P., REGULAR
  • High solvent naphtha
  • Nafta
  • Pyrobenzol
  • BENZENE (BENZOL)
  • HJ 643-2013 VOC Mixture 593 2000 microg/mL in Methanol
  • BENZENE (USP-RS)
  • BNZ (CHRIS Code)
  • VM & P NAPTHA
  • BCP26158
  • EC 200-753-7
  • Benzene, for HPLC, >=99.9%
  • C6H6
  • 34J - WFD J
  • Purgeable Aromatics Mixture 880 200 microg/mL in Methanol
  • Q0038
  • EPA Method 624 Purgeable Calibration Mixture 9 2000 microg/mL in Methanol
  • VOC Mixture 223 100 microg/mL in Methanol
  • EINECS 200-753-7
  • Ph-H
  • Q26841227
  • 25053-22-9
  • (6)Annulene
  • Benzene 10 microg/mL in Methanol
  • Solvent naphtha
  • Cc-34,(+/-)
  • Benzene-13C
  • STL264205
  • Caswell No. 077
  • Aromatic VOC Mixture 881 100 microg/mL in Methanol
  • Skelly-solve S-66
  • ASTM Method D5580 Valve Timing Calibration Mixture
  • VOC Mixture 672 1000 microg/mL in Methanol
  • BENZENE [HSDB]
  • Benzene, LR, >=99%
  • benzene
  • HSDB 2892
  • NCGC00090744-01
  • Benzene, pure
  • Light ligroin
  • Method DM 471 Standard Mixture 888 1000 microg/mL in Methanol
  • BTEX Mixture 884 200 microg/mL in Methanol
  • 1,3-Cyclohexadiene-5,6-diylradical
  • Nitration benzene
  • Naphtha VM & P, 50 degree flash
  • HSDB 35
  • BIPERIDEN HYDROCHLORIDE IMPURITY F (EP IMPURITY)
  • PIANO Aromatics Mixture 91
  • Cyclohexatriene
  • Residual Solvents Mixture 1015 10000-50000 microg/mL in Dimethyl Sulfoxide
  • CCRIS 70
  • Hi-flash naphthayethylen
  • J64922108F
  • Amsco H-SB
  • 14941-52-7
  • California Residual Solvents Mixture 1 1000 microg/mL in Dimethyl sulfoxide
  • NAPHTHA V.M.+ P., 50 DEGREES FLASH
  • CHEMBL277500
  • VOC-Mix 7 2000 microg/mL in Methanol
  • NCGC00163890-02
  • Benzen [Polish]
  • InChI=1/C6H6/c1-2-4-6-5-3-1/h1-6
  • Aromatics Mixture 899 200 microg/mL in Methanol
  • UN1256
  • BENZENE (1,3,5-D3)
  • 62485-97-6
  • NA1255
  • VOC Mixture 908 2000 microg/mL in Methanol
  • BTEX Mixture 558 5000 microg/mL in Hexane
  • Benzene, AR, >=99.5%
  • benzol
  • Benzene, ACS reagent, >=99.0%
  • EC 232-443-2
  • MINERAL NAPHTA
  • 2z9g
  • RNG
  • GB 50325-2010 VOC Mixture 126 1000 microg/mL in Methanol
  • BENZENE [IARC]
  • Benzolo [Italian]
  • 1l83
  • BENZENE (IARC)
  • Benzene, analytical standard
  • AI3-00808
  • ASTM Method D5769 Aromatics in Finished Gasoline Calibration Level 1 without IS
  • VOC Mixture 900 200 microg/mL in Methanol
  • Q2270
  • 220l
  • California Revised PVOC Mixture 1016 1000 microg/mL in Methanol
  • UN1255
  • TRANSGENIC MODEL EVALUATION II (BENZENE)
  • GRO Aromatic Calibration Mixture 983 2000 microg/mL in Methanol
  • Benzene, SAJ first grade, >=99.0%
  • Aromatic Hydrocarbons Mix 11 2000-6000 microg/mL in Methanol
  • NA1114
  • Crude solvent coal tar naphtha
  • GB 50325-2020 TVOC Mixture 266 2000 microg/mL in Methanol
  • Purgeable Aromatic for Gas.Ident.Mix 3 200 microg/mL in Methanol
  • AKOS008967253
  • BENZENE (MART.)
  • VOC mix for HJ 639-2012, 1000 microg/mL in Methanol
  • Varsol
  • Benzene, Pharmaceutical Secondary Standard
  • Certified Reference Material
  • Phenyl
  • Phenyl Radical
  • CHEBI:16716
  • ASTM Method D5769 Quality Control Reference Material with 4 IS in Isooctane
  • Naphtha, hydrotreated
  • HJ 642-2013 VOC Mixture 136 1000 microg/mL in Methanol
  • Naphtha (coal tar)
  • Benzyna DO lakierow C [Polish]
  • Mix of Aromatic Hydrocarbons 13 10000 microg/mL in Hexane
  • VOC Mixture 222 10 microg/mL in Methanol
  • Benzene & Chloroform Mixture 657 100-3000 microg/mL in N,N-Dimethylacetamide
  • VOC Mixture for GB/T 11890-1989 1000 microg/mL in Methanol
  • benzene,iodomanganese(1+)
  • Benzinum
  • VOC-Mix 15 200 microg/mL in Methanol
  • VOC Mixture 901 200 microg/mL in Methanol
  • VOC Mixture 904 2000 microg/mL in Methanol
  • UN1137
  • Epitope ID:116867
  • California Residual Solvent Calibration Mixture 1 10 microg/mL in Triacetin
  • ASTM Method D5580 Aromatics Quantitative Calibration Mixture with IS Standard 4
  • Benzeen [Dutch]
  • BENZINUM [HPUS]
  • 4i7j
  • EPA Method 8260 Matrix Spike Mixture 2500 microg/mL in Methanol
  • 223l
  • FT-0622667
  • Benzene
  • See 1910.1028. See Table Z-2 for the limits applicable in the operations or sectors excluded in 1910.1028(d)
  • EPA Method 601 VOC Performance Check Mixture 390 200 microg/mL in Methanol
  • BENZENE [WHO-DD]
  • benzine/obsolete/
  • C01407
  • VOC Mixture 588 2000 microg/mL in Methanol
  • p-benzene
  • NA2553
  • Benzene-1,2,4,5-d4
  • Rcra waste number U019
  • UN1271
  • Benzine
  • Mineral thinner
  • VOC-Mix 9 1000 microg/mL in Acetone
  • BTEX Mixture 885 2000 microg/mL in Methanol
  • BM 613
  • Benzene, ACS spectrophotometric grade, >=99%
  • Benzene, JIS special grade, >=99.5%
  • ASTM Method D5580 Aromatics Quantitative Calibration Mixture with IS Standard 5
  • ISO 11423-2:1997 Standard Mixture 367 50 microg/mL in Acetone
  • Caswell no 077
  • Benzene 20 microg/mL in Triacetin
  • NAPHTHA V.M.+ P., HIGH FLASH
  • NCGC00260036-01
  • BIPERIDEN HYDROCHLORIDE IMPURITY F [EP IMPURITY]
  • benzole
  • NCI-C55276
  • HJ 36600-2018 VOC Mixture 268 1000 microg/mL in Methanol
  • Skelly-solve S
  • Aromatic Hydrocarbons Mix 11 200-600 microg/mL in Methanol
  • Benzene, Super Dehydrated
  • benzine /obsolete/
  • Benzene HPLC grade
  • Benzene Content (Nominal: 0.62% Volume)
  • HEADACHE INSOMNIA
  • NS00009783
  • benzin /obsolete/
  • Benzene Standard 99%, SuperDry, Water≤50 ppm (by K.F.)
  • Benzene Standard 99%, SuperDry, with molecular sieves ,Water≤50 ppm (by K.F.)
物化性质
实验特性
LogP 1.68660
PSA 0.00000
Merck 1066
折射率 n20/D 1.501(lit.)
水溶性 0.18 g/100 mL
沸点 80 °C(lit.)
熔点 5.5 °C (lit.)
蒸气压 166 mmHg ( 37.7 °C)
74.6 mmHg ( 20 °C)
闪点 华氏:12.2 °F
摄氏:-11 °C
溶解度 Miscible with alcohol, chloroform, dichloromethane, diethyl ether, acetone and acetic acid.
相对极性 0.111
浓度 200 μg/mL in methanol
颜色与性状 无色透明液体,有强烈芳香味。[1]
稳定性 Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable.
溶解性 不溶于水,溶于乙醇、乙醚、丙酮等多数有机溶剂。[15]
敏感性 易吸潮
酸度系数(pKa) 43(at 25℃)
密度 0.874 g/mL at 25 °C(lit.)
计算特性
精确分子量 78.04700
氢键供体数量 0
氢键受体数量 0
可旋转化学键数量 0
同位素质量 78.0469501914g/mol
重原子数量 6
复杂度 15.5
同位素原子数量 0
确定原子立构中心数量 0
不确定原子立构中心数量 0
确定化学键立构中心数量 0
不确定化学键立构中心数量 0
共价键单元数量 1
疏水参数计算参考值(XlogP)
互变异构体数量
表面电荷 0
拓扑分子极性表面积 0Ų
国际标准相关数据
EINECS 200-753-7
海关数据
海关编码 2707100000
海关数据

中国海关编码:

2707100000
合成路线

合成路线:1 步

反应条件:
参考文献:
Catalytic conversion of alcohols having at least three carbon atoms to hydrocarbon blendstock
, World Intellectual Property Organization, , ,

合成路线:1 步

反应条件:
参考文献:
Xylene isomers distribution in propane aromatization over ZRP zeolites
Zhang, Zhiping; Zhang, Jiushun; Gao, Yongcan, Shiyou Huagong, 2005, 34(9), 835-839

合成路线:1 步

反应条件:
参考文献:
Catalytic conversion of alcohols having at least three carbon atoms to hydrocarbon blendstock
, World Intellectual Property Organization, , ,

合成路线:1 步

反应条件:
参考文献:
An improved catalytic pyrolysis concept for renewable aromatics from biomass involving a recycling strategy for co-produced polycyclic aromatic hydrocarbons
Genuino, Homer C.; Muizebelt, Inouk; Heeres, Andre; Schenk, Niels J.; Winkelman, Jos G. M.; et al, Green Chemistry, 2019, 21(14), 3802-3806

合成路线:1 步

反应条件:
参考文献:
Renewable p-Xylene Production by Catalytic Conversion of Crude Bioglycerol (GTA-pX Process)
Singh, Vijendra ; Arumugam, Selvamani ; Kumar, Mahesh; Tathod, Anup Prakash; Viswanadham, Nagabhatla, Industrial & Engineering Chemistry Research, 2023, 62(4), 1788-1796

合成路线:1 步

反应条件:
参考文献:
Understanding cellulose pyrolysis under hydrogen atmosphere
Li, Tan; Miao, Kai; Zhao, Zhigang; Li, Yuqing; Wang, Huiyuan; et al, Energy Conversion and Management, 2022, 254,

合成路线:1 步

反应条件:
参考文献:
Insight into the Oxidation Mechanism of Furanic Compounds on Pt(111)
Mark, Lesli O.; Agrawal, Naveen; Roman, Alex M.; Holewinski, Adam ; Janik, Michael J. ; et al, ACS Catalysis, 2019, 9(12), 11360-11370

合成路线:5 步

反应条件:
参考文献:
Generation of new reactive cyclopentenethiones by flash vacuum thermolysis
Briard, Emmanuelle; et al, Phosphorus, 2000, 165, 135-148

合成路线:1 步

反应条件:
参考文献:
Alkylation of ethylbenzene by using IM-5 catalyst
Pathak, Kanchan; et al, International Journal of Research in Pharmacy and Chemistry, 2013, 3(2), 411-425

合成路线:1 步

反应条件:
参考文献:
Insights into alkaline choline chloride-based deep eutectic solvents pretreatment for Populus deltoides: Lignin structural features and modification mechanism
Li, Haichao; et al, International Journal of Biological Macromolecules, 2021, 193, 319-327

合成路线:1 步

反应条件:
参考文献:
Catalytic pyrolysis of polyethylene and polypropylene over desilicated beta and al-msu-f
Lee, Hyung Won; et al, Catalysts, 2018, 8(11), 501/1-501/15

合成路线:1 步

反应条件:
参考文献:
Catalytic pyrolysis of lignin over hierarchical HZSM 5 zeolites prepared by post-treatment with alkaline solutions
Tang, Songshan; et al, Journal of Analytical and Applied Pyrolysis, 2019, 137, 86-95

合成路线:3 步

反应条件:
参考文献:
Generation of new reactive cyclopentenethiones by flash vacuum thermolysis
Briard, Emmanuelle; et al, Phosphorus, 2000, 165, 135-148

合成路线:2 步

参考文献:
Generation of new reactive cyclopentenethiones by flash vacuum thermolysis
Briard, Emmanuelle; et al, Phosphorus, 2000, 165, 135-148

合成路线:1 步

反应条件:
参考文献:
A Highly Stable Bimetallic Transition Metal Phosphide Catalyst for Selective Dehydrogenation of n-Heptane
Stober, Robert; et al, ChemCatChem, 2022, 14(18),

合成路线:1 步

反应条件:
参考文献:
Conversion of Ethanol and Fusel Oils over Au-M/MFI/Al2O3 Catalysts
Chistyakova, P. A.; Chistyakov, A. V.; Nikolaev, S. A.; Bagdatov, R. A.; Tsodikov, M. V.; et al, Petroleum Chemistry, 2022, 62(9), 1107-1125

合成路线:1 步

反应条件:
参考文献:
Elucidating the role of NiMoS-USY during the hydrotreatment of Kraft lignin
Abdus Salam, Muhammad; Wayne Cheah, You; Hoang Ho, Phuoc; Bernin, Diana; Achour, Abdenour; et al, Chemical Engineering Journal (Amsterdam, 2022, 442,

合成路线:1 步

反应条件:
参考文献:
1,3,5-Triethylbenzene Transformation Reactions Compared to Its Transalkylation Reaction with Ethylbenzene
Akhtar, M. Naseem; et al, Energy & Fuels, 2009, 23(8), 3866-3874

合成路线:4 步

反应条件:
参考文献:
Generation of new reactive cyclopentenethiones by flash vacuum thermolysis
Briard, Emmanuelle; et al, Phosphorus, 2000, 165, 135-148

合成路线:1 步

参考文献:
Generation of new reactive cyclopentenethiones by flash vacuum thermolysis
Briard, Emmanuelle; et al, Phosphorus, 2000, 165, 135-148

合成路线:1 步

反应条件:
参考文献:
Preparation of sodium silicate/red mud-based ZSM-5 with glucose as a second template for catalytic cracking of waste plastics into useful chemicals
Wang, Xiaofeng; et al, RSC Advances, 2022, 12(34), 22161-22174
专业数据库参考
PubChemId 87563234
参考资料
Reaxys RN 969212
Beilstein 969212
化合物详情(旧版)

物理化学性质

外观性质:无色透明液体,有强烈芳香味。
熔点:5.5 °C(lit.)
沸点:80 °C(lit.)
密度:0.874 g/mL at 25 °C(lit.)
蒸气密度 2.77 (vs air)
蒸气压 166 mm Hg ( 37.7 °C)
折射率:n20/D 1.501(lit.)
闪点:12 °F
水溶解性:0.18 g/100 mL 
Merck:14,1066 
BRN:969212 
稳定性:Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable. 

产品用途

用途一:用作溶剂、合成染料、塑料、橡胶、纤维、农药的原料。
用途二:用作分光纯溶剂及测定折光率时用作标准样品,也用作精密光学仪器、电子工业等的溶剂和清洗剂。
用途三:是生产合成树脂、合成橡胶、合成纤维、染料、洗涤剂、医药、农药和特种助剂的重要原料,也是主要的溶剂。 
用途四:最重要的基本有机化工原料之一。苯通过取代反应、加成反应和苯环破裂反应,可衍生出很多重要的化学中间体,是生产合成树脂、塑料、合成纤维、橡胶、洗涤剂、染料、医药、农药、炸药等的重要基础原料。苯也广泛用作溶剂,在炼油工业中用作提高汽油辛烷值的掺和剂。
用途五:脂肪、树脂和碘等的溶剂。测定矿物折射指数,有机合成,光学纯溶剂。 
用途六:脂肪、树脂和碘等的溶剂。测定矿物折射指数,有机合成,光学纯溶剂。用于ICP-AES、AAS、AFS、ICP-MS、离子色谱等。滴定分析用标准溶液。校准仪器和装置;评价方法;工作标准;质量保证/质量控制;其他。

制备方法

1849年曼斯菲尔德从煤焦油中分离出苯。1876年后实现了从焦炉煤气回收苯,1961年实现烷基苯脱烷基制苯。近年用甲苯歧化制苯和二甲苯,还从裂解汽油中分离苯。不同国家和地区苯的生产和供应情况不尽相同,美国主要从重整汽油中获得,西欧主要来自裂解汽油,我国则主要由重整汽油及炼焦副产品生产。1.炼焦副产回收苯高温炼焦副产的高温焦油中,含有一部分苯。首先经初馏塔初馏,塔顶得轻苯,塔底得重苯(重苯用作制取古马隆树脂的原料)。轻苯先经初馏塔分离,塔底混合馏分经酸碱洗涤除去杂质,然后进吹苯塔蒸吹,再经精馏塔精馏得纯苯。2.铂重整法用常压蒸馏得到的轻汽油(初馏点约138℃),截取大于65℃馏分,先经含钼催化剂,催化加氢脱出有害杂质,再经铂催化剂进行重整,用二乙二醇醚溶剂萃取,然后再逐塔精馏,得到苯、甲苯、二甲苯等产物。3.裂解汽油制苯法裂解汽油一般含芳烃约40%-70%。芳烃中含苯约37%,甲苯约14%,二甲苯约5%。用加氢脱烷基法提取苯。首先将裂解汽油进行二段催化加氢,催化脱烷基和氢气提纯,将烷基苯转化成苯,然后经分馏得到苯。

苯化学品安全说明书(MSDS)

危险性概述 
环境危害:对环境有危害,对水体可造成污染。 
燃爆危险:本品易燃,为致癌物。 急救措施 
皮肤接触:脱去污染的衣着,用肥皂水和清水彻底冲洗皮肤。 
眼睛接触:提起眼睑,用流动清水或生理盐水冲洗。就医。 
吸入:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难,给输氧。如呼吸停止,立即进行人工呼吸。就医。 
食入:饮足量温水,催吐。就医。 
消防措施 
危险特性:易燃,其蒸气与空气可形成爆炸性混合物,遇明火、高热极易燃烧爆炸。与氧化剂能发生强烈反应。易产生和聚集静电,有燃烧爆炸危险。其蒸气比空气重,能在较低处扩散到相当远的地方,遇火源会着火回燃。 
有害燃烧产物:一氧化碳、二氧化碳。 
灭火方法:喷水冷却容器,可能的话将容器从火场移至空旷处。处在火场中的容器若已变色或从安全泄压装置中产生声音,必须马上撤离。灭火剂:泡沫、干粉、二氧化碳、砂土。用水灭火无效。 
泄漏应急处理 
应急处理:迅速撤离泄漏污染区人员至安全区,并进行隔离,严格限制出入。切断火源。建议应急处理人员戴自给正压式呼吸器,穿防毒服。尽可能切断泄漏源。防止流入下水道、排洪沟等限制性空间。小量泄漏:用活性炭或其它惰性材料吸收。也可以用不燃性分散剂制成的乳液刷洗,洗液稀释后放入废水系统。大量泄漏:构筑围堤或挖坑收容。用泡沫覆盖,降低蒸气灾害。喷雾状水或泡沫冷却和稀释蒸汽、保护现场人员。用防爆泵转移至槽车或专用收集器内,回收或运至废物处理场所处置。 
接触控制/个体防护 
中国MAC(mg/m3):40[皮] 
前苏联MAC(mg/m3):15/5 
TLVTN:OSHA 1ppm,3.2mg/m3; ACGIH 0.3ppm,0.96mg/m3 
监测方法:气相色谱法 
工程控制:生产过程密闭,加强通风。提供安全淋浴和洗眼设备。 
呼吸系统防护:空气中浓度超标时,佩戴自吸过滤式防毒面具(半面罩)。紧急事态抢救或撤离时,应该佩戴空气呼吸器或氧气呼吸器。 
眼睛防护:戴化学安全防护眼镜。 
身体防护:穿防毒物渗透工作服。 
手防护:戴橡胶耐油手套。 
其他防护:工作现场禁止吸烟、进食和饮水。工作完毕,淋浴更衣。实行就业前和定期的体检。  

苯安全危害特性

类别:易燃液体 
毒性分级:中毒 
急性毒性:口服-大鼠 LD50: 930 毫克/公斤; 口服-小鼠 LD50: 4700 毫克/公斤 (溶剂苯) 
刺激数据:皮肤-兔子 15 毫克/24小时 轻度; 眼睛-兔子 88 毫克 中度 (溶剂苯) 
爆炸物危险特性:与空气混合可爆 
可燃性危险特性:遇热, 明火, 强氧化剂燃烧; 热分解辛辣刺激烟雾 
灭火剂:干粉、干砂、二氧化碳、泡沫、1211灭火剂 
职业标准:TWA 16 毫克/立方米; STEL 20 毫克/立方米 

苯操作处置与储运特性

操作注意事项:
密闭操作,加强通风。操作人员必须经过专门培训,严格遵守操作规程。建议操作人员佩戴自吸过滤式防毒面具(半面罩),戴化学安全防护眼镜,穿防毒物渗透工作服,戴橡胶耐油手套。远离火种、热源,工作场所严禁吸烟。使用防爆型的通风系统和设备。防止蒸气泄漏到工作场所空气中。避免与氧化剂接触。灌装时应控制流速,且有接地装置,防止静电积聚。搬运时要轻装轻卸,防止包装及容器损坏。配备相应品种和数量的消防器材及泄漏应急处理设备。倒空的容器可能残留有害物。 
储存注意事项:
储存于阴凉、通风的库房。远离火种、热源。库温不宜超过30℃。保持容器密封。应与氧化剂、食用化学品分开存放,切忌混储。采用防爆型照明、通风设施。禁止使用易产生火花的机械设备和工具。储区应备有泄漏应急处理设备和合适的收容材料。 
包装方法:
小开口钢桶;螺纹口玻璃瓶、铁盖压口玻璃瓶、塑料瓶或金属桶(罐)外普通木箱。 
运输注意事项:
本品铁路运输时限使用钢制企业自备罐车装运,装运前需报有关部门批准。铁路运输时应严格按照铁道部《危险货物运输规则》中的危险货物配装表进行配装。运输时运输车辆应配备相应品种和数量的消防器材及泄漏应急处理设备。夏季最好早晚运输。运输时所用的槽(罐)车应有接地链,槽内可设孔隔板以减少震荡产生静电。严禁与氧化剂、食用化学品等混装混运。运输途中应防曝晒、雨淋,防高温。中途停留时应远离火种、热源、高温区。装运该物品的车辆排气管必须配备阻火装置,禁止使用易产生火花的机械设备和工具装卸。公路运输时要按规定路线行驶,勿在居民区和人口稠密区停留。铁路运输时要禁止溜放。严禁用木船、水泥船散装运输。 

产品用途
基本化工原料,用作溶剂及合成苯的衍生物、香料、染料、塑料、医药、炸药、橡胶等。
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