环己烯
环己烯用途
环己烯名称
[ CAS 号 ]:
110-83-8
[ 中文名 ]:
环己烯
[ 英文名 ]:
Cyclohexene
[中文别名 ]:
[英文别名 ]:
- Cykloheksen
- MFCD00001539
- TETRAHYDROBENZENE
- 1,2,3,4-Tetrahydrobenzene
- cyclohex-1-ene
- cyclo-hexene
- tetrahydro-benzen
- 1-cyclohexene
- Cyclohexene
- Cyclohexen
环己烯物理化学性质
[ 密度 ]:
0.8±0.1 g/cm3
[ 沸点 ]:
85.6±7.0 °C at 760 mmHg
[ 熔点 ]:
-104 °C
[ 分子式 ]:
C6H10
[ 分子量 ]:
82.144
[ 闪点 ]:
-12.2±0.0 °C
[ 精确质量 ]:
82.078247
[ LogP ]:
2.89
[ 外观性状 ]:
无色易燃液体
[ 蒸汽密度 ]:
2.8 (vs air)
[ 蒸汽压 ]:
77.0±0.1 mmHg at 25°C
[ 折射率 ]:
1.459
[ 储存条件 ]:
库房通风低温干燥,与氧化剂、酸类分开存放,不宜久储,以防聚合
[ 稳定性 ]:
Stable in the absence of air - may form peroxides in storage. Incompatible with oxidizing agents. Highly flammable.
[ 水溶解性 ]:
insoluble
环己烯MSDS
环己烯毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GW2500000
- CHEMICAL NAME :
- Cyclohexene
- CAS REGISTRY NUMBER :
- 110-83-8
- BEILSTEIN REFERENCE NO. :
- 0906737
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 34
- MOLECULAR FORMULA :
- C6-H10
- MOLECULAR WEIGHT :
- 82.16
- WISWESSER LINE NOTATION :
- L6UTJ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2400 uL/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - ataxia
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0546026
- TYPE OF TEST :
- LC - Lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >6370 ppm/4H
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - ataxia Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555329
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(12),53,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >3200 uL/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Behavioral - ataxia
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0546026 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 600 ppm/6H/26W-I
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 37,155,1976 *** REVIEWS *** ACGIH TLV-TWA 1010 mg/m3 (300 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 300 ppm (1015 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,66,1971 OSHA PEL (Gen Indu):8H TWA 300 ppm (1015 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 300 ppm (1015 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 300 ppm (1015 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 300 ppm (1015 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-BELGIUM:TWA 300 ppm (1010 mg/m3) JAN 1993 OEL-DENMARK:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-FINLAND:TWA 300 ppm (1015 mg/m3);STEL 375 ppm (1270 mg/m3) JAN 1993 OEL-FRANCE:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-GERMANY:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL-POLAND:TWA 300 mg/m3 JAN 1993 OEL-RUSSIA:STEL 50 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 300 ppm (1015 mg/m3);STEL 600 ppm JAN 1993 OEL-TURKEY:TWA 300 ppm (1050 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 300 ppm (1015 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CYCLOHEXENE-air:10H TWA 300 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 21705 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 529 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 21705 No. of Facilities: 40 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 517 (estimated) No. of Female Employees: 239 (estimated)
环己烯安全信息
[ 符号 ]:
GHS02, GHS06, GHS08
[ 信号词 ]:
Danger
[ 危害声明 ]:
H225-H302-H304-H311
[ 警示性声明 ]:
P210-P280-P301 + P310-P312-P331
[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ 危害码 (欧洲) ]:
F:Flammable;Xn:Harmful;
[ 风险声明 (欧洲) ]:
R11;R21/22;R65
[ 安全声明 (欧洲) ]:
S16-S29-S33-S36/37
[ 危险品运输编码 ]:
UN 2256 3/PG 2
[ WGK德国 ]:
1
[ RTECS号 ]:
GW2500000
[ 包装等级 ]:
II
[ 危险类别 ]:
3
[ 海关编码 ]:
2902199090
环己烯合成路线
环己烯上下游产品
环己烯上游产品
环己烯下游产品
环己烯制备
1.由环己醇在催化剂硫酸存在下，加热生成环己烯，蒸馏得粗制品。再用精盐饱和液洗涤，然后用硫酸钠溶液中和微量的酸，经水洗、分层、干燥、过滤、精馏，收集82-85℃馏分得成品环己烯。
2.可通过硅胶或三氧化二铝蒸馏环己醇制备。
3.制法：
于圆底烧瓶中加入环己醇(2)60g（0.6mol），2mL浓硫酸和几粒沸石，充分摇动混合均匀。装上分馏装置，接受瓶用冰水冷却。用电热套慢慢加热，控制加热速度，慢慢蒸出生成的环己烯和水，注意分馏柱顶端的温度不要超过90℃。当烧瓶中只剩下少量的残渣并出现烟雾时，停止加热。将镏出液用氯化钠饱和，再加入15mL(10%)的碳酸钠喝微量的酸。用分液漏斗分出水层，有机层用无水氯化钙干燥后，常压蒸馏，收集80～85℃的馏分，得环己烯(1)①约35g，收率71%。注：1、由于环己烯与水可形成共沸物(共沸点70.8℃，含水10%)，环己醇与环己烯可形成共沸物(共沸点64.9℃，含环己醇30.5%)，环己醇与水形成共沸物(共沸点97.8℃，含水80%)，所以，加热时温度不易过高，蒸馏速度不易过快，以减少环己醇的损失。2、也可以用磷酸代替硫酸，于165～170℃滴加环己醇的方法来合成环己烯，收率79%～84%。
4.制法：
于装有搅拌器、滴液漏斗、分馏装置(接受瓶用冰盐浴冷却)的反应瓶中，加入邻苯二甲酸酐(3)148g（1.0mol），苯磺酸5g。滴液漏斗中加入环己醇(2)100mL（1.0mol），先加入约10mL环己醇，搅拌下油浴加热至微沸，而后慢慢滴加其余环己醇，约1h加完。加完后继续反应10～15min。将得到的镏出液分出来水分，无水硫酸钠干燥，分馏，收集82～84℃的馏分，得环己烯50～64g，收率61%～80%。
5.制法：
于装有搅拌器、蒸馏装置的反应瓶中，加入1-乙氧基环己烯(2)7.21g（0.0572mol），异辛烷30mL。加热至沸。于1.5h内分批加入二异丁基氢化铝16.5g(0.116mol),控制加入速度和加入仪器，使产物缓慢蒸出。加完后继续加热直至蒸出约31mL。重新分馏，收集如下各种馏分：A，88～94℃,1.08g，n25D 1.4158；B，94～99℃,2.96g，n25D 1.3985；C，99～99.5℃，2.20g，n25D 1.3901。经气相色谱和红外光谱证明，各馏分都是环己烯与异辛烷的混合物，环己烯的总量1.5g，收率32%。
环己烯海关
[ 海关编码 ]: 2902199090
[ 中文概述 ]:
2902199090 其他环烷烃、环烯烃及环萜烯。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:2.0%。普通关税:30.0%
[ 申报要素 ]: 品名, 成分含量
[ Summary ]:
2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%
环己烯文献
Chem. Commun. (Camb.) 48(77) , 9628-30, (2012)
New trimetallic magnesium complexes were synthesized for bifunctional catalysis. Complex catalysed ε-caprolactone polymerizations in not only a 'living' manner but also in an 'immortal' fashion. Addit...
Oxidation-resistant acidic resins prepared by partial carbonization as cocatalysts in synthesis of adipic acid.ACS Appl. Mater. Interfaces 4(8) , 4106-12, (2012)
The oxidation-resistant acidic resins are of great importance for the catalytic oxidation systems. In this paper, the oxidatively stable acidic resins are obtained from the cation ion exchange resins ...
Conformational analysis of δ-lactones by DFT calculations: the parent compound and its monomethyl and selected dimethyl derivatives.Chemistry 19(4) , 1288-302, (2013)
The static and dynamic stereochemistry of unsubstituted δ-valerolactone, all monomethylated δ-lactones, and all nongeminally dimethylated δ-lactones was explored with the B3LYP functional and def2-TZV...
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