2554-06-5
中文名稱
四甲基四乙烯基環(huán)四硅氧烷
英文名稱
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
CAS
2554-06-5
EINECS 編號(hào)
219-863-1
分子式
C12H32O4Si4
MDL 編號(hào)
MFCD00040293
分子量
352.72
MOL 文件
2554-06-5.mol
更新日期
2024/12/20 09:10:27
2554-06-5 結(jié)構(gòu)式
基本信息
中文別名
四甲基四乙烯基環(huán)四硅氧烷2,4,6,8-四乙烯基-2,4,6,8-四甲基環(huán)四硅氧烷
2,4,6,8-四甲基-2,4,6,8-四乙烯基環(huán)四硅氧烷
英文別名
1,3,5,7-TETRAVINYL-1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE1,3,5,7-TETRAVINYLTETRAMETHYLCYCLOTETRASILOXANE
2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRASILOXANE
2,4,6,8-TETRAMETHYLTETRAVINYLCYCLOTETRASILOXANE
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
1,3,5,7-Tetramethyl-1,3,5,7-etravinylcyclotetrasiloxane
1,3,5,7-tetramethyl-1,3,5,7-tetravinylcyclotetrasiloxane
2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-cyclotetrasiloxan
2,4,6,8-tetraethenyl-2,4,6,8-tetramethylcyclotetrasiloxane
2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-Cyclotetrasiloxane
Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-
Cyclotetrasiloxane,2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl-
s-tetramethyltetravinylcyclotetrasiloxane
Tetravinyltetramethylcyclotetrasiloxane
tetravinyl-tetramethylcyclo-tetrasiloxane
METHYLVINYLCYCLOSILOXANE
2,4,6,8-TETRAMETHYL2,4,6,8-TETRAVINYLCYCLO-TETRASILOXANE 99%
2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane
Vinylmethylcyclosiloxane
2,4,6,8-Tetraethenyl-2,4,6,8-tetramethylcyclooctanetetrasiloxane
所屬類別
化學(xué)試劑：硅氧烷物理化學(xué)性質(zhì)
熔點(diǎn)−44 °C (dec.)(lit.)
沸點(diǎn)111-112 °C10 mm Hg(lit.)
密度0.997 g/mL at 25 °C(lit.)
蒸氣壓93.5Pa at 25℃
折射率n20/D 1.435
閃點(diǎn)210 °F
儲(chǔ)存條件2-8°C
溶解度可與大多數(shù)有機(jī)溶劑混溶。
形態(tài)液體
比重0.998
顏色無(wú)色至幾乎無(wú)色
水溶解性7μg/L at 23℃
水解敏感性4: no reaction with water under neutral conditions
BRN1807272
LogP6.47
CAS 數(shù)據(jù)庫(kù)2554-06-5(CAS DataBase Reference)
NIST化學(xué)物質(zhì)信息2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane(2554-06-5)
EPA化學(xué)物質(zhì)信息Cyclotetrasiloxane, 2,4,6,8-tetraethenyl-2,4,6,8-tetramethyl- (2554-06-5)
常見(jiàn)問(wèn)題列表
合成
四甲基四乙烯基環(huán)四硅氧烷的制備方法包括:(1)將甲基乙烯基二氯硅烷加入低溫溶劑體系中,低溫反應(yīng)一段時(shí)間，而后升至高溫條件下進(jìn)行環(huán)化反應(yīng)，反應(yīng)完成后，將反應(yīng)液冷卻、分液，得到酸水層和油層；其中，所述溶劑體系包括水和表面活性；(2)向所述油層中加入鹽溶液進(jìn)行洗滌沉降，并調(diào)整混合物pH值，分離出的水解液；(3)對(duì)所述水解液進(jìn)行減壓精餾，得到含有四甲基四乙烯基環(huán)四硅氧烷的餾分。
圖 四甲基四乙烯基環(huán)四硅氧烷的合成反應(yīng)式
四甲基四乙烯基環(huán)四硅氧烷價(jià)格(試劑級(jí))
| 報(bào)價(jià)日期 | 產(chǎn)品編號(hào) | 產(chǎn)品名稱 | CAS號(hào) | 包裝 | 價(jià)格 |
| 2024/11/11 | XW25540653 | 2,4,6,8-四甲基-2,4,6,8-四乙烯基環(huán)四硅氧烷 1,3,5,7-tetramethyl-1,3,5,7- tetravinylcyclotetrasiloxane 、2,4,6,8-tetramethyltetravinylcyclotetrasiloxane | 2554-06-5 | 100G | 112元 |
| 2024/11/11 | XW25540652 | 2,4,6,8-四甲基-2,4,6,8-四乙烯基環(huán)四硅氧烷 1,3,5,7-tetramethyl-1,3,5,7- tetravinylcyclotetrasiloxane 、2,4,6,8-tetramethyltetravinylcyclotetrasiloxane | 2554-06-5 | 25G | 47元 |
| 2024/11/11 | XW25540651 | 2,4,6,8-四甲基-2,4,6,8-四乙烯基環(huán)四硅氧烷 1,3,5,7-tetramethyl-1,3,5,7- tetravinylcyclotetrasiloxane 、2,4,6,8-tetramethyltetravinylcyclotetrasiloxane | 2554-06-5 | 5G | 31元 |