四乙二醇双异辛酸酯

四乙二醇双异辛酸酯 基本信息
CAS号 18268-70-7 分子式 C27H46O7
分子量 482.65000 精确质量  482.32400
PSA  103.81000 LogP  5.55350

基本信息 展开↓

CAS号:
18268-70-7
分子式:
C27H46O7
分子量:
482.65000
中文名称:
四乙二醇双异辛酸酯
英文名称:
2-[2-[2-[2-(2-ethylhexanoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-ethylhexanoate
中文别名:
四乙二醇双异辛酸酯;
2-乙基己酸四甘醇酯;
聚乙二醇-200-二乙基己酯
英文别名:
2-[2-[2-[2-(2-ethylhexanoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-ethylhexanoate;
TegMeR 804;
Plasticizer 4GO;
Tetraethylene glycol di(2-ethylhexoate);
EINECS 242-149-6;
3,6,9-Trioxaundecamethylene bis(2-ethylhexanoate);
Hexanoic acid,2-ethyl-,oxybis(2,1-ethanediyloxy-2,1-ethanediyl) ester;
Flexol 4GO;
Hexanoic acid,2-ethyl-,diester with tetraethylene glycol;
Polyethylene glycol 200 di(2-ethylhexoate)
精确分子量/精确质量:
482.32400
极性分子表面积/PSA:
103.81000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
EINECS:
242-149-6

物化性质展开↓

外观与性状:
透明非固定的液体,温和气味
密度:
0.989 g/cm3
沸点:
499.1ºC at 760 mmHg
闪点:
208.1ºC
折射率:
n20/D 1.447(lit.)
蒸汽压:
4.28E-10mmHg at 25°C
其它信息:

1.      性状:未确定

2.      密度(g/mL,25):0.98

3.      相对蒸汽密度(g/mL,空气=1):未确定

4.      熔点(ºC):未确定

5.      沸点(ºC,常压):260

6.      沸点(ºC,736mmHg):未确定

7.      折射率:n20/D1.447

8.      闪点(ºF113

9.      比旋光度(º):未确定

10.   自燃点或引燃温度(ºC):未确定

11.   蒸气压(20ºC):未确定

12.   饱和蒸气压(kPa,60ºC):未确定

13.   燃烧热(KJ/mol):未确定

14.   临界温度(ºC):未确定

15.   临界压力(KPa):未确定

16.   油水(辛醇/水)分配系数的对数值:未确定

17.   爆炸上限(%,V/V):未确定

18.   爆炸下限(%,V/V):未确定

19.   溶解性:未确定

毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MO7710000
CHEMICAL NAME :
Hexanoic acid, 2-ethyl-, diester with tetraethylene glycol
CAS REGISTRY NUMBER :
18268-70-7
LAST UPDATED :
199701
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C24-H46-O7
MOLECULAR WEIGHT :
446.70
WISWESSER LINE NOTATION :
4Y2&VO2O2O2O2OVY4&2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/21/1971 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015) Volume(issue)/page/year: 2,85,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>20 mL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/21/1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1519 No. of Facilities: 2484 (estimated) No. of Industries: 63 No. of Occupations: 42 No. of Employees: 43710 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1519 No. of Facilities: 3297 (estimated) No. of Industries: 55 No. of Occupations: 38 No. of Employees: 67254 (estimated) No. of Female Employees: 13447 (estimated)

分子结构与计算化学数据展开↓

分子结构数据


1、  摩尔折射率:130.69

2、  摩尔体积(cm3/mol):473.2

3、  等张比容(90.2K):1165.7

4、  表面张力(dyne/cm):36.8

5、  极化率:51.81

6、  介电常数:未确定

计算化学数据


1.疏水参数计算参考值(XlogP):5.2

2.氢键供体数量:0

3.氢键受体数量:7

4.可旋转化学键数量:24

5.互变异构体数量:无

6.拓扑分子极性表面积80.3

7.重原子数量:31

8.表面电荷:0

9.复杂度:390

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:2

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

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