七甲基环四硅氧烷

七甲基环四硅氧烷 基本信息
CAS号 15721-05-8 分子式 C7H22O4Si4
分子量 282.58900 精确质量  282.06000
PSA  36.92000 LogP  2.02210

基本信息 展开↓

CAS号:
15721-05-8
3D弹球模型:
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分子式:
C7H22O4Si4
分子量:
282.58900
中文名称:
七甲基环四硅氧烷
英文名称:
2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane
中文别名:
七甲基环四硅氧烷;
[1,1'-biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro-;
2,2',5,5'-Tetrachloro-4,4'-biphenyldiamine;
2,2',5,5'-Tetrachlorobiphenyl-4,4'-diamine;
2,2',5,5'-Tetrachlorobenzidine;
EDTA-FE-13;
ferric sodium 2-[2-(bis(carboxymethyl)amino)ethyl-(carboxymethyl)amino]acetic acid;
Sodium Iron EDTA;
EDTA Ferrisoduim;
EDTA-FeNa•
3H2O;
EDTA Fe;
edta iron(iii) sodium salt;
N-(1-Ethyl-pyrrolidin-2-ylmethyl)-2-methoxy-5-sulfamoyl-benzamide;
(+-)-sulpiride;
N-3-Sulfopropylpyridiniumbetaine;
pyridinium,1-(3-sulfopropyl)-,hydroxide,innersalt;
Pyridinium,1-(3-sulfopropyl)-,innersalt;
Pyridium-1-Propane-3-sulfonate;
3-(1-Pyridinio)-1-propanesulfonate 2 M Solution;
Ndsb-2013-(1-Pyridinio)-1-Propanesulfonate;
PpsNickelPlating3-(1-Pyridinio)-1-Propanesulfonate;
Pyridinium propyl sulfobetaine;
Pyridinium propyl sulphobetaine;
3-(pyridinium-1-yl)propane-1-sulfonatato;
3-(1-pyridinio)-1-propanesulfonate
英文别名:
2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane;
Heptamethyl-cyclotetrasiloxan;
Heptamethylcyclotetrasiloxane;
2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8;
2,4,4,6,6,8,8-Heptamethylcyclotetrasiloxan;
1,3,3,5,5,7,7-heptamethylcyclotetrasiloxane;
1,3,3,5,5,7,7-Heptamethylcyclotetrasiloxan;
CYCLOTETRASILOXANE,HEPTAMETHYL
精确分子量/精确质量:
282.06000
极性分子表面积/PSA:
36.92000
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。
InChI:
InChI=1/C7H21O4Si4/c1-12-8-13(2,3)10-15(6,7)11-14(4,5)9-12/h1-7H3

物化性质展开↓

密度:
0.958 g/cm3
熔点:
-27ºC
沸点:
165ºC
闪点:
46ºC
折射率:
1.3965

安全信息展开↓

海关代码:
2901100000
危险类别码:
10
安全说明:
16

合成路线查看所有的合成路线

  • 75-54-7

    甲基二氯硅烷

  • +

  • 75-78-5

    二氯二甲基硅烷

  • ~60%

  • 15721-05-8

    七甲基环四硅氧烷

  • 75-54-7

    甲基二氯硅烷

  • +

  • 3582-71-6

    1,5-二氯六甲基三硅氧烷

  • ~5%

  • 15721-05-8

    七甲基环四硅氧烷

毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GZ4391000
CHEMICAL NAME :
Cyclotetrasiloxane, heptamethyl-
CAS REGISTRY NUMBER :
15721-05-8
BEILSTEIN REFERENCE NO. :
1786647
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H22-O4-Si4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1228,1986

海关数据查看详细

中国海关编码:2901100000

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
摘要/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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