异丁烷
异丁烷用途
用途二：主要用作石化企业分析、检测仪器的标准气
用途三：气溶胶；充气剂。
用途四：主要用于与异丁烯经烃化生产异辛烷，用作汽油辛烷值改进剂。经裂解可制异丁烯与丙烯。与异丁烯、丙烯进行烷基化可制烷基化汽油。可制备甲基丙烯酸、丙酮和甲醇等。还可作冷冻剂。
异丁烷名称
[ CAS 号 ]:
75-28-5
[ 中文名 ]:
2-甲基丙烷
[ 英文名 ]:
Isobutane Residual Solvent Standard
[中文别名 ]:
[英文别名 ]:
- MFCD00008926
- ISOBUTANE
- 2-Methylpropane
- EINECS 200-857-2
异丁烷物理化学性质
[ 密度 ]:
0.6±0.1 g/cm3
[ 沸点 ]:
-10.5±3.0 °C at 760 mmHg
[ 熔点 ]:
−160 °C(lit.)
[ 分子式 ]:
C4H10
[ 分子量 ]:
58.122
[ 闪点 ]:
-71.5±10.3 °C
[ 精确质量 ]:
58.078251
[ LogP ]:
2.70
[ 外观性状 ]:
无色无臭气体(或无色低温液体),在压力下
[ 蒸汽密度 ]:
2.01 (21 °C, vs air)
[ 蒸汽压 ]:
2575.1±0.0 mmHg at 25°C
[ 折射率 ]:
1.352
[ 储存条件 ]:
库房通风低温干燥,轻装轻卸,与氧气、空气等助燃气体钢瓶分开存放
[ 稳定性 ]:
Stable. Extremely flammable. May form explosive mixtures with air.
异丁烷MSDS
异丁烷毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TZ4300000
- CHEMICAL NAME :
- Propane, 2-methyl-
- CAS REGISTRY NUMBER :
- 75-28-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C4-H10
- MOLECULAR WEIGHT :
- 58.14
- WISWESSER LINE NOTATION :
- 1Y1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 57 pph/15M
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression
- REFERENCE :
- HUTODJ Human Toxicology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants., RG 21 2XS, UK) V.1- 1981- Volume(issue)/page/year: 1,239,1982
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1041 gm/m3/2H
- TOXIC EFFECTS :
- Behavioral - excitement
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 58,74,1936 *** REVIEWS *** TOXICOLOGY REVIEW FAZMAE Fortschritte der Arzneimittelforschung. Progress in Drug Research. (Birkhauser Boston, Inc., c/o Springer-Verlag New York, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1959- Volume(issue)/page/year: 18,365,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY:TWA 1000 ppm (2350 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 800 ppm (1900 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 600 ppm (1430 mg/m3);STEL 750 ppm 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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81851 No. of Facilities: 118992 (estimated) No. of Industries: 360 No. of Occupations: 199 No. of Employees: 1193478 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81851 No. of Facilities: 110810 (estimated) No. of Industries: 377 No. of Occupations: 233 No. of Employees: 1795168 (estimated) No. of Female Employees: 556159 (estimated)
异丁烷安全信息
[ 危害码 (欧洲) ]:
F+
[ 风险声明 (欧洲) ]:
R12
[ 安全声明 (欧洲) ]:
S9-S16
[ 危险品运输编码 ]:
UN 1969 2.1
[ WGK德国 ]:
-
[ RTECS号 ]:
TZ4300000
[ 危险类别 ]:
2.1
[ 海关编码 ]:
2901100000
异丁烷合成路线
异丁烷上下游产品
异丁烷上游产品
异丁烷下游产品
异丁烷制备
1.存在于石油气、天然气和裂化气中。由石油裂化过程中产生的碳四馏分，经分离而得。
2.以工业异丁烷为原料（含量为82%～91%），采用三级吸附工艺。一级吸附器脱除Ｃ２、Ｃ３、正丁烷和1-丁烯等杂质，二级吸附器除去异丁烯，在三级吸附器中进一步除去Ｃ２、Ｃ３烃类杂质，产品纯度大于99.99%。
异丁烷海关
[ 海关编码 ]: 2901100000
[ 中文概述 ]:
2901100000 饱和无环烃。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, 用途, 用作气体燃料的应报明包装容器容积, 散装货物应报明
[ Summary ]:
2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%
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相关化合物
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