18268-70-7

18268-70-7结构式
18268-70-7结构式

化源商城直购

中文名 四乙二醇双异辛酸酯
英文名 2-[2-[2-[2-(2-ethylhexanoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-ethylhexanoate
中文别名 2-乙基己酸四甘醇酯
聚乙二醇-200-二乙基己酯
英文别名 Flexol 4GO
Plasticizer 4GO
Hexanoic acid,2-ethyl-,oxybis(2,1-ethanediyloxy-2,1-ethanediyl) ester
Tetraethylene glycol di(2-ethylhexoate)
Polyethylene glycol 200 di(2-ethylhexoate)
Hexanoic acid,2-ethyl-,diester with tetraethylene glycol
EINECS 242-149-6
TegMeR 804
3,6,9-Trioxaundecamethylene bis(2-ethylhexanoate)
密度 0.989 g/cm3
沸点 499.1ºC at 760 mmHg
分子式 C27H46O7
分子量 482.65000
闪点 208.1ºC
精确质量 482.32400
PSA 103.81000
LogP 5.55350
外观性状 透明非固定的液体,温和气味
蒸汽压 4.28E-10mmHg at 25°C
折射率 n20/D 1.447(lit.)
储存条件 室温
分子结构

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

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

更多

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/D 1.447

8. 闪点(ºF):113

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

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)