- 中文别名:仲丁醇
- 中文释义:仲丁醇;(±)-2-Butanol;另丁醇;2-丁醇;2-甲基丙醇;第二丁醇
- 英文别名:butan-2-ol;
S-sec-Butyl 3-methyl-2-butenethioate;
sec-Butyl 3-methyl-2-butenethioate;
sec-Butanol;
Sec-butyl alcohol;
3-Methylthiocrotonic acid,S-sec-butyl ester;
1-methyl-1-propanol;
sec-Butyl S-senecthioate - cas No.:78-92-2
- 分子式:
C4H10O
- 分子量:74.12
- 精确分子量:74.07320
- PSA:20.23000
- MDL:MFCD00004569
- InChI:InChI=1/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3
- 分子结构式:
物化性质
- 外观与性状:
- 无色液体
- 密度:
- 0.808 g/mL at 25 °C(lit.)
- 熔点:
- −115 °C(lit.)
- 沸点:
- 98 °C(lit.)
- 闪点:
- 80 °F
- 水溶解性:
- 12.5 g/100 mL (20 ºc)
- 折射率:
- n20/D 1.397(lit.)
- 蒸汽密度:
- 2.6 (vs air)
- 存储条件/存储方法:
- 库房通风低温干燥,与氧化剂分开存放
- 稳定性相关:
1.具有仲醇的化学反应特性。干燥的仲丁醇对金属无腐蚀性,若有水分存在特别是高温时,能腐蚀铝。
2.稳定性[22] 稳定
3.禁配物[23] 酸类、酰基氯、酸酐、强氧化剂、卤素
4.聚合危害[24] 不聚合
- 其它信息:
1.性状:无色透明液体,有类似葡萄酒的气味。[1]
2.熔点(℃):-114.7[2]
3.沸点(℃):99.5[3]
4.相对密度(水=1):0.81[4]
5.相对蒸气密度(空气=1):2.6[5]
6.饱和蒸气压(kPa):1.6(20℃)[6]
7.燃烧热(kJ/mol):-2668.3[7]
8.临界温度(℃):263[8]
9.临界压力(MPa):4.202[9]
10.辛醇/水分配系数:0.61[10]
11.闪点(℃):23(OC)[11]
12.引燃温度(℃):406[12]
13.爆炸上限(%):9.8[13]
14.爆炸下限(%):1.7[14]
15.溶解性:溶于水,混溶于乙醇、乙醚、芳烃。[15]
16.黏度(mPa·s,20ºC):4.210
17.蒸发热(KJ/kg,b.p.):562.6
18.生成热(KJ/mol):-279.09
19.比热容(KJ/(kg·K),20ºC,定压):2.81
20.溶解度(%,水,20ºC):12.5
21.体膨胀系数(K-1,20ºC):0.00097
22.相对密度(25℃,4℃):0.8026
23.常温折射率(n25):1.3949
24.临界密度(g·cm-3):0.276
25.临界体积(cm3·mol-1):269
26.临界压缩因子:0.253
27.偏心因子:0.570
28.Lennard-Jones参数(A):13.86
29.Lennard-Jones参数(K):154.1
30.溶度参数(J·cm-3)0.5:22.630
31.van der Waals面积(cm2·mol-1):7.620×109
32.van der Waals体积(cm3·mol-1):52.390
33.气相标准燃烧热(焓)(kJ·mol-1):2710.19
34.气相标准声称热(焓)( kJ·mol-1) :-293.01
35.气相标准熵(J·mol-1·K-1) :359.53
36.气相标准生成自由能( kJ·mol-1):-167.9
37.气相标准热熔(J·mol-1·K-1):112.14
38.液相标准燃烧热(焓)(kJ·mol-1):-2660.44
39.液相标准声称热(焓)( kJ·mol-1):-342.75
40.液相标准熵(J·mol-1·K-1) :223.0
41.液相标准生成自由能( kJ·mol-1):-177.19
42.液相标准热熔(J·mol-1·K-1):197.1
安全信息
- 外观与性状:
- 无色液体
- 密度:
- 0.808 g/mL at 25 °C(lit.)
- 熔点:
- −115 °C(lit.)
- 沸点:
- 98 °C(lit.)
- 闪点:
- 80 °F
- 水溶解性:
- 12.5 g/100 mL (20 ºc)
- 折射率:
- n20/D 1.397(lit.)
- 蒸汽密度:
- 2.6 (vs air)
- 存储条件/存储方法:
- 库房通风低温干燥,与氧化剂分开存放
- 稳定性相关:
1.具有仲醇的化学反应特性。干燥的仲丁醇对金属无腐蚀性,若有水分存在特别是高温时,能腐蚀铝。
2.稳定性[22] 稳定
3.禁配物[23] 酸类、酰基氯、酸酐、强氧化剂、卤素
4.聚合危害[24] 不聚合
- 其它信息:
1.性状:无色透明液体,有类似葡萄酒的气味。[1]
2.熔点(℃):-114.7[2]
3.沸点(℃):99.5[3]
4.相对密度(水=1):0.81[4]
5.相对蒸气密度(空气=1):2.6[5]
6.饱和蒸气压(kPa):1.6(20℃)[6]
7.燃烧热(kJ/mol):-2668.3[7]
8.临界温度(℃):263[8]
9.临界压力(MPa):4.202[9]
10.辛醇/水分配系数:0.61[10]
11.闪点(℃):23(OC)[11]
12.引燃温度(℃):406[12]
13.爆炸上限(%):9.8[13]
14.爆炸下限(%):1.7[14]
15.溶解性:溶于水,混溶于乙醇、乙醚、芳烃。[15]
16.黏度(mPa·s,20ºC):4.210
17.蒸发热(KJ/kg,b.p.):562.6
18.生成热(KJ/mol):-279.09
19.比热容(KJ/(kg·K),20ºC,定压):2.81
20.溶解度(%,水,20ºC):12.5
21.体膨胀系数(K-1,20ºC):0.00097
22.相对密度(25℃,4℃):0.8026
23.常温折射率(n25):1.3949
24.临界密度(g·cm-3):0.276
25.临界体积(cm3·mol-1):269
26.临界压缩因子:0.253
27.偏心因子:0.570
28.Lennard-Jones参数(A):13.86
29.Lennard-Jones参数(K):154.1
30.溶度参数(J·cm-3)0.5:22.630
31.van der Waals面积(cm2·mol-1):7.620×109
32.van der Waals体积(cm3·mol-1):52.390
33.气相标准燃烧热(焓)(kJ·mol-1):2710.19
34.气相标准声称热(焓)( kJ·mol-1) :-293.01
35.气相标准熵(J·mol-1·K-1) :359.53
36.气相标准生成自由能( kJ·mol-1):-167.9
37.气相标准热熔(J·mol-1·K-1):112.14
38.液相标准燃烧热(焓)(kJ·mol-1):-2660.44
39.液相标准声称热(焓)( kJ·mol-1):-342.75
40.液相标准熵(J·mol-1·K-1) :223.0
41.液相标准生成自由能( kJ·mol-1):-177.19
42.液相标准热熔(J·mol-1·K-1):197.1
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EO1750000
- CHEMICAL NAME :
- sec-Butyl alcohol
- CAS REGISTRY NUMBER :
- 78-92-2
- BEILSTEIN REFERENCE NO. :
- 0773649
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 42
- MOLECULAR FORMULA :
- C4-H10-O
- MOLECULAR WEIGHT :
- 74.14
- WISWESSER LINE NOTATION :
- QY2&1
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 :
- 6480 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 16000 ppm/4H
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- SHELL* Shell Chemical Company. (P.O. Box 4320, Houston, TX 77210) Volume(issue)/page/year: MSDS-5280-4
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1193 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 138 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 771 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,2,1961
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 764 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 135,330,1962
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 4893 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - corneal damage Cardiac - pulse rate Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73. For publisher information, see IOHSA5. Volume(issue)/page/year: 41,31,1972
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 277 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1067 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - hamster
- DOSE/DURATION :
- 1218 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Parenteral
- SPECIES OBSERVED :
- Amphibian - frog
- DOSE/DURATION :
- 15 gm/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity)
- REFERENCE :
- AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 50,296,1935 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 5000 ppm/7H
- SEX/DURATION :
- female 1-19 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 12,469,1989
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 7000 ppm/7H
- SEX/DURATION :
- female 1-19 day(s) after conception
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 12,469,1989 *** REVIEWS *** ACGIH TLV-TWA (100 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 150 ppm (450 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: 3,32,1971 OSHA PEL (Gen Indu):8H TWA 150 ppm (450 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 150 ppm (450 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 150 ppm (450 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 150 ppm (450 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 100 ppm (305 mg/m3);STEL 150 ppm (455 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-BELGIUM:TWA 100 ppm (303 mg/m3);STEL 150 ppm (455 mg/m3) JAN 1993 OEL-DENMARK:STEL 50 ppm (150 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 50 ppm (150 mg/m3);STEL 75 ppm (225 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-GERMANY:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-JAPAN:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-RUSSIA:TWA 100 ppm;STEL 10 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 100 ppm (300 mg/m3);STEL 200 ppm (600 mg/m3) JAN 1993 OEL-TURKEY:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 100 ppm (300 mg/m3);STEL 150 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 RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO sec-BUTYL ALCOHOL-air:10H TWA 100 ppm;STEL 150 ppmREFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 14410 No. of Facilities: 2929 (estimated) No. of Industries: 59 No. of Occupations: 47 No. of Employees: 42853 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 14410 No. of Facilities: 5896 (estimated) No. of Industries: 97 No. of Occupations: 72 No. of Employees: 126196 (estimated) No. of Female Employees: 36723 (estimated)
- 毒理学数据:
1.急性毒性[16]
LD50:2193mg/kg(大鼠经口);4893mg/kg(兔经口);>2000mg/kg(大鼠经皮)
2.刺激性[17]
家兔经皮:500mg(24h),轻度刺激。
家兔经眼:100mg(24h),中度刺激。
3.其他[18] 大鼠吸入最低中毒浓度(TCLo):5000ppm/7h(孕1~19d),致胚胎毒性。
- 生态数据:
1.生态毒性[19]
LD50:4300mg/L(24h)(金鱼)
IC50:312mg/L(72h)(藻类)
2.生物降解性[20]
好氧生物降解(h):24~168
厌氧生物降解(h):96~672
3.非生物降解性[21]
水中光氧化半衰期(h):3100~1.00×106
空气中光氧化半衰期(h):7.2~72
MSDS
国标编号: | 33552 |
CAS: | 78-92-2 |
中文名称: | 2-丁醇 |
英文名称: | 2-butyl alcohol;sec-butyl alcohol |
别 名: | 仲丁醇 |
分子式: | C4H10O;CH3CH(OH)CH2CH3 |
分子量: | 74.12 |
熔 点: | -114.7℃ 沸点:99.5? |
密 度: | 相对密度(水=1)0.81; |
蒸汽压: | 24℃ |
溶解性: | 溶于水 |
稳定性: | 稳定 |
外观与性状: | 无色透明液体,有类似葡萄酒的气味 |
危险标记: | 7(易燃液体) |
用 途: | 用于制造甲乙酮,合成香精、染料等的原料,也用作溶剂 |
2.对环境的影响:
一、健康危害
侵入途径:吸入、食入、经皮吸收。 健康危害:本品具有刺激和麻醉作用。大量吸入时对眼、鼻、喉有刺激作用,并出现头痛、眩晕、倦怠、恶心等症状。对兔皮肤无刺激性,但对兔眼有严重损伤。
二、毒理学资料及环境行为
毒性:属微毒类。 急性毒性:LD506480mg/kg (大鼠经口) 刺激性:家兔经眼:100mg(24小时),中度刺激。家兔经皮:500mg(24小时),轻度刺激。 生殖毒性:大鼠吸入最低中毒浓度(TCL0):5000ppm(7小时,孕1~19天),致胚胎毒性。 生物效应:没有得到一般环境中的定量水平数据。而由于2-丁醇极易生物降解,所以环境中的高浓度,可能仅出现在偶尔发生严重溢漏的局部地区。2-丁醇不会被生物蓄积。在环境中可能出现的背景浓度下,2-丁醇不会毒害水生生物、藻类和原生动物或细菌。然而,由于2-丁醇极易生物降解,而导致缺氧,所以会给水环境带来间接危害。环境中的2-丁醇应作为一种微毒化合物管理。
危险特性:易燃,其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。受热分解放出有毒气体。与氧化剂能发生强烈反应。在火场中,受热的容器有爆炸危险。 燃烧(分解)产物:一氧化碳、二氧化碳。
3.现场应急监测方法:4.实验室监测方法:
气相色谱法《空气中有害物质的测定方法》(第二版),杭士平主编
5.环境标准:中国(TJ36-79) | 车间空气中有害物质的最高容许浓度 | 200mg/m3 |
前苏联(1983) | 地表水最高允许浓度 | 0.2mg/L |
嗅觉阈浓度 | 40ppm |
一、泄漏应急处理
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,穿消防防护服。尽可能切断泄漏源。防止进入下水道、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。也可以用大量水冲洗,洗水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。用防爆泵转至槽车或专用收集器内,回收或运至废物处理场所处置。
二、防护措施
呼吸系统防护:一般不需要特殊防护,高浓度接触时可佩戴自吸过滤式防毒面具(半面罩)。 眼睛防护:戴安全防护眼镜。 身体防护:穿防静电工作服。 手防护:戴一般作业防护手套。 其它:工作现场严禁吸烟。保持良好的卫生习惯。
三、急救措施
皮肤接触:脱去被污染的衣着,用肥皂水和清水彻底冲洗皮肤。就医。 眼睛接触:立即提起眼睑,用大量流动清水或生理盐水彻底冲洗至少15分钟。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。如呼吸停止时,立即进行人工呼吸。就医。 食入:饮足量温水,催吐。就医。
灭火方法:用雾状水保持火场容器冷却,用水喷射逸出液体,使其稀释成不燃性混合物,并用雾状水保护消防人员。灭火剂:抗溶性泡沫、干粉、二氧化碳、雾状水、1211灭火剂、砂土。
海关数据
中国海关编码:2905142000
- 概述:
- HS: 2905142000. 仲丁醇. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最低关税:5.5%. 普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 包装
- 摘要/Summary:
- HS: 2905142000. butan-2-ol. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tarrif:5.5%. general tariff:30.0%
分子结构与计算化学数据
分子结构数据
1、摩尔折射率:22.07
2、摩尔体积(cm3/mol):92.4
3、等张比容(90.2K):205.4
4、表面张力(dyne/cm):24.3
5、极化率(10-24cm3):8.75
计算化学数据
1.疏水参数计算参考值(XlogP):无
2.氢键供体数量:1
3.氢键受体数量:1
4.可旋转化学键数量:1
5.互变异构体数量:无
6.拓扑分子极性表面积20.2
7.重原子数量:5
8.表面电荷:0
9.复杂度:19.6
10.同位素原子数量:0
11.确定原子立构中心数量:0
12.不确定原子立构中心数量:1
13.确定化学键立构中心数量:0
14.不确定化学键立构中心数量:0
15.共价键单元数量:1