- 中文别名:乙二醇二甲醚
- 中文释义:乙二醇二甲醚;1,2-二甲氧基乙烷
- 英文别名:1,2-dimethoxyethane;
Ethylene glycol dimethyl ether;
Ethylene glycol dimethyl ether,stabilized with BHT;
ethylene glycol dimethyl ether;
1,2-Dimethoxydiphenid;
dimethyl cellosolve;
Dimethylglycol,Ethylene glycol dimethyl ether,Monoglyme;
Ethylene glycol dimethyl ether,AcroSeal,Extra Dry;
1,2-Dimethoxyethane;
1,2-dimethoxy-ethane;
1,2-dimethyloxyethane;
1,2-methoxyethane - cas No.:110-71-4
- 分子式:
C4H10O2
- 分子量:90.12
- 精确分子量:90.06810
- PSA:18.46000
- MDL:MFCD00008502
- InChI:InChI=1/C4H10O2/c1-4(5-2)6-3/h4H,1-3H3
- 分子结构式:
物化性质
- 外观与性状:
- 水白色液体
- 密度:
- 0.867 g/mL at 25 °C(lit.)
- 熔点:
- -69 °C
- 沸点:
- 85 °C(lit.)
- 闪点:
- 32 °F
- 水溶解性:
- Miscible
- 折射率:
- n20/D 1.379(lit.)
- 蒸汽压:
- 187mmHg at 25°C
- 蒸汽密度:
- 3.1 (20 °C, 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.化学性质:性质稳定,不易发生反应。但能与碘化氢、溴化氢、浓硫酸反应。酸性催化剂存在时,高温能发生分解。在150℃以下对碱金属稳定,金属钠可用乙二醇二烷基醚干燥。但能与钠钾合金或钾反应。苯基锂、丁基锂使乙二醇二甲醚稍有分解。与活性小的Grignard试剂如甲基氯化镁在通常条件下不发生反应,但加热到150~200℃时与活性大的试剂如甲基碘化镁作用而分解。对碱金属的氢化物稳定,可作氢化铝锂的稳定剂、精制剂。在氧的作用下生成过氧化物,光和热对过氧化物的生成有促进作用。生成的过氧化物不稳定,分解成醛、酮、酸及其他杂质。
2.稳定性[17] 稳定
3.禁配物[18] 强氧化剂、强酸
4.避免接触的条件[19] 空气、光照
5.聚合危害[20] 不聚合
- 其它信息:
1.性状:无色液体,略有醚味。[1]
2.熔点(℃):-58[2]
3.沸点(℃):82~83[3]
4.相对密度(水=1):0.87(20℃)[4]
5.相对蒸气密度(空气=1):3.11[5]
6.饱和蒸气压(kPa):6.40(20℃)[6]
7.燃烧热(kJ/mol):-2521.2[7]
8.临界温度(℃):263[8]
9.临界压力(MPa):3.87[9]
10.辛醇/水分配系数:-0.21[10]
11.闪点(℃):-2(CC)[11]
12.引燃温度(℃):202[12]
13.爆炸上限(%):18.7[13]
14.爆炸下限(%):1.9[14]
15.溶解性:溶于水,溶于乙醇、烃类。[15]
16.折射率(n20ºC):1.3796
17.黏度(mPa·s,20ºC):1.1
18.蒸发热(KJ/mol):28.14
19.熔化热(KJ/kg):139.4
20.生成热(KJ/mol):491.95
21.燃烧热(KJ/mol):2520.82
22.比热容(KJ/(kg·K),定压):1.83
23.电导率(S/m,25ºC):0.47×10-7
24.蒸气压(kPa,20ºC):6.40
25.相对密度(20℃,4℃):0.8665
26.相对密度(25℃,4℃):0.855630
27.临界密度(g·cm-3):0.293
28.临界体积(cm3·mol-1):308
29.临界压缩因子:0.269
30.偏心因子:0.346
31.溶度参数(J·cm-3)0.5:17.732
32.van der Waals面积(cm2·mol-1):8.140×109
33.van der Waals体积(cm3·mol-1):55.200
34.气相标准燃烧热(焓)(kJ·mol-1):-2662.95
35.气相标准声称热(焓)( kJ·mol-1) :-340.24
36.液相标准燃烧热(焓)(kJ·mol-1):-2626.65
37.液相标准声称热(焓)( kJ·mol-1):-376.64
38.液相标准热熔(J·mol-1·K-1):186.5
安全信息
- 外观与性状:
- 水白色液体
- 密度:
- 0.867 g/mL at 25 °C(lit.)
- 熔点:
- -69 °C
- 沸点:
- 85 °C(lit.)
- 闪点:
- 32 °F
- 水溶解性:
- Miscible
- 折射率:
- n20/D 1.379(lit.)
- 蒸汽压:
- 187mmHg at 25°C
- 蒸汽密度:
- 3.1 (20 °C, 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.化学性质:性质稳定,不易发生反应。但能与碘化氢、溴化氢、浓硫酸反应。酸性催化剂存在时,高温能发生分解。在150℃以下对碱金属稳定,金属钠可用乙二醇二烷基醚干燥。但能与钠钾合金或钾反应。苯基锂、丁基锂使乙二醇二甲醚稍有分解。与活性小的Grignard试剂如甲基氯化镁在通常条件下不发生反应,但加热到150~200℃时与活性大的试剂如甲基碘化镁作用而分解。对碱金属的氢化物稳定,可作氢化铝锂的稳定剂、精制剂。在氧的作用下生成过氧化物,光和热对过氧化物的生成有促进作用。生成的过氧化物不稳定,分解成醛、酮、酸及其他杂质。
2.稳定性[17] 稳定
3.禁配物[18] 强氧化剂、强酸
4.避免接触的条件[19] 空气、光照
5.聚合危害[20] 不聚合
- 其它信息:
1.性状:无色液体,略有醚味。[1]
2.熔点(℃):-58[2]
3.沸点(℃):82~83[3]
4.相对密度(水=1):0.87(20℃)[4]
5.相对蒸气密度(空气=1):3.11[5]
6.饱和蒸气压(kPa):6.40(20℃)[6]
7.燃烧热(kJ/mol):-2521.2[7]
8.临界温度(℃):263[8]
9.临界压力(MPa):3.87[9]
10.辛醇/水分配系数:-0.21[10]
11.闪点(℃):-2(CC)[11]
12.引燃温度(℃):202[12]
13.爆炸上限(%):18.7[13]
14.爆炸下限(%):1.9[14]
15.溶解性:溶于水,溶于乙醇、烃类。[15]
16.折射率(n20ºC):1.3796
17.黏度(mPa·s,20ºC):1.1
18.蒸发热(KJ/mol):28.14
19.熔化热(KJ/kg):139.4
20.生成热(KJ/mol):491.95
21.燃烧热(KJ/mol):2520.82
22.比热容(KJ/(kg·K),定压):1.83
23.电导率(S/m,25ºC):0.47×10-7
24.蒸气压(kPa,20ºC):6.40
25.相对密度(20℃,4℃):0.8665
26.相对密度(25℃,4℃):0.855630
27.临界密度(g·cm-3):0.293
28.临界体积(cm3·mol-1):308
29.临界压缩因子:0.269
30.偏心因子:0.346
31.溶度参数(J·cm-3)0.5:17.732
32.van der Waals面积(cm2·mol-1):8.140×109
33.van der Waals体积(cm3·mol-1):55.200
34.气相标准燃烧热(焓)(kJ·mol-1):-2662.95
35.气相标准声称热(焓)( kJ·mol-1) :-340.24
36.液相标准燃烧热(焓)(kJ·mol-1):-2626.65
37.液相标准声称热(焓)( kJ·mol-1):-376.64
38.液相标准热熔(J·mol-1·K-1):186.5
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- KI1451000
- CHEMICAL NAME :
- Ethane, 1,2-dimethoxy-
- CAS REGISTRY NUMBER :
- 110-71-4
- BEILSTEIN REFERENCE NO. :
- 1209237
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 20
- MOLECULAR FORMULA :
- C4-H10-O2
- MOLECULAR WEIGHT :
- 90.14
- WISWESSER LINE NOTATION :
- 1O2O1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0539769
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 63 gm/m3/6H
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - irritability
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571323
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571323
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571323
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 400 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571323
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0539769 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4000 ppm/4H/2W-I
- TOXIC EFFECTS :
- Behavioral - changes in psychophysiological tests Lungs, Thorax, or Respiration - other changes Related to Chronic Data - death
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 25,369,1964 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 660 mg/kg
- SEX/DURATION :
- female 8-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - homeostasis
- REFERENCE :
- REPTED Reproductive Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1987- Volume(issue)/page/year: 5,157,1991
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 660 mg/kg
- SEX/DURATION :
- female 8-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - stillbirth Reproductive - Effects on Newborn - live birth index (measured after birth) Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
- REFERENCE :
- REPTED Reproductive Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1987- Volume(issue)/page/year: 5,157,1991
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 660 mg/kg
- SEX/DURATION :
- female 8-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
- REFERENCE :
- REPTED Reproductive Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1987- Volume(issue)/page/year: 5,157,1991
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1960 mg/kg
- SEX/DURATION :
- female 7-10 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
- REFERENCE :
- NISFAY Nippon Sanka Fujinka Gakkai Zasshi. Journal of the Japan Society of Obstetrics and Gynecology. (Nippon Sanka Fujinka Gakkai Zasshi, Hoken Kaikan Bekkan, 1-1 Sadohara-cho, Ichigaya, Shijuku-ku, Tokyo 162, Japan) V.1- 1949- Volume(issue)/page/year: 32,113,1980
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1400 mg/kg
- SEX/DURATION :
- female 7-10 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System
- REFERENCE :
- NISFAY Nippon Sanka Fujinka Gakkai Zasshi. Journal of the Japan Society of Obstetrics and Gynecology. (Nippon Sanka Fujinka Gakkai Zasshi, Hoken Kaikan Bekkan, 1-1 Sadohara-cho, Ichigaya, Shijuku-ku, Tokyo 162, Japan) V.1- 1949- Volume(issue)/page/year: 32,113,1980
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 361 mg/kg
- SEX/DURATION :
- female 11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 35,321,1987
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 16 gm/kg
- SEX/DURATION :
- female 7-14 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- REFERENCE :
- EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 57,141,1984 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83728 No. of Facilities: 68 (estimated) No. of Industries: 3 No. of Occupations: 2 No. of Employees: 265 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83728 No. of Facilities: 94 (estimated) No. of Industries: 4 No. of Occupations: 7 No. of Employees: 3319 (estimated) No. of Female Employees: 1003 (estimated)
- 毒理学数据:
1、急性毒性:小鼠经口LC50:3200mg/kg;大鼠经口LD50:>5000mg/kg;兔子经口LD50:320mg/kg;大鼠经口LDL0:1000mg/kg;大鼠皮肤LD50:5370mg/kg;兔子皮肤LDL0:2000mg/kg;大鼠吸入LDL0:63mg/m3/6H
2、吸入和经口属低毒类。吸入高浓度蒸气时,对肺、肝、肾等器官都有损害。
3.急性毒性[16] LD50:775mg/kg(大鼠经口)
- 生态数据:
该物质对水体有轻微的危害,不要让该产品接触地下水、水道或者污水系统。
MSDS
第一部分:化学品名称 |
分子结构与计算化学数据
分子结构数据
1、摩尔折射率:24.07
2、摩尔体积(cm3/mol):1107.2
3、等张比容(90.2K):230.6
4、表面张力(dyne/cm):21.3
5、极化率(10-24cm3):9.54
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:0
3.氢键受体数量:2
4.可旋转化学键数量:3
5.互变异构体数量:无
6.拓扑分子极性表面积18.5
7.重原子数量:6
8.表面电荷:0
9.复杂度:17.5
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:0
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