ChemicalBook >> CAS DataBase List >>Heptamethyl cyclotetrasiloxane
Heptamethyl cyclotetrasiloxane
- CAS No.
- 15721-05-8
- Chemical Name:
- Heptamethyl cyclotetrasiloxane
- Synonyms
- heptamethyl-cyclotetrasiloxan;Heptamethyl cyclotetrasiloxane;HEPTAMETHYLCYCLOTETRASILOXANE, tech-95;2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane;Cyclotetrasiloxane,2,2,4,4,6,6,8-heptamethyl-;2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane;2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8λsup3sup-tetraoxatetrasilocane
- CBNumber:
- CB3220722
- Molecular Formula:
- C7H22O4Si4
- Molecular Weight:
- 282.59
- MDL Number:
- MFCD00040367
- MOL File:
- 15721-05-8.mol
- MSDS File:
- SDS
Last updated:2026-09-12 18:51:50
| Melting point | -27°C |
|---|---|
| Boiling point | 165°C |
| Density | 0,958 g/cm3 |
| refractive index | 1.3965 |
| Flash point | 46°C |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | liquid |
| Specific Gravity | 0.958 |
| color | Clear Colourless |
| Hydrolytic Sensitivity | 3: reacts with aqueous base |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS08 |
|---|---|
| Signal word | Warning |
| Hazard statements | H413-H361 |
| Precautionary statements | P201-P202-P281-P308+P313-P405-P501 |
| Risk Statements | 10 |
| Safety Statements | 16 |
| RIDADR | 1993 |
| TSCA | No |
| Toxicity | mouse,LDLo,oral,3gm/kg (3000mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1228, 1986. |
Heptamethyl cyclotetrasiloxane price More Price(6)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TRC | TRC-H281310-50MG | Heptamethylcyclotetrasiloxane | 15721-05-8 | 50mg | $72 | 2026-06-03 | Buy |
| Biosynth | QAA72105 | Heptamethylcyclotetrasiloxane | 15721-05-8 | 1000mg | $870 | 2026-06-04 | Buy |
| aablocks | AA001P8F | HeptamethylCyclotetrasiloxane | 15721-05-8 | 10g | $842 | 2026-05-28 | Buy |
| aablocks | AA001P8F | HeptamethylCyclotetrasiloxane | 15721-05-8 | 25g | $1350 | 2026-05-28 | Buy |
| TRC | H281310 | Heptamethylcyclotetrasiloxane | 15721-05-8 | 50mg | $50 | 2021-12-16 | Buy |
Heptamethyl cyclotetrasiloxane Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 38)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Shanghai Worldyang Chemical Co.,Ltd. | 021-56795766 | sales@worldyachem.com | China | 9475 | 58 |
| Tongling HengYou Biotechnology Co., Ltd. | 021-50426030 13856289449;13124863828 | 2630597085@qq.com | China | 1885 | 55 |
| Shanghai Enchem Industry Co., Ltd. | 15021317485 | China | 1403 | 58 | |
| Shanghai Zhuang Ming New Material Technology Co., Ltd. | 17312398916 051386936896 15216715905 | sales@zhuangming.net | China | 1271 | 58 |
| Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131885 | 58 |
| Suzhou Siso new material Co.,Ltd. | 0512-65402974 18550909935 | siso03@126.com | China | 1925 | 58 |
| Zhengzhou Acme Chemical Co., Ltd. | 0371-63315541 13323832564 | 1443871971@qq.com | China | 9896 | 58 |
| Suzhou Adelaide Chemical Technology Co., Ltd. | 15995785122 | 3003020078@qq.com | China | 1197 | 58 |
| Hunan chemfish Scientific co.,ltd | 85567275 18932438858 | sales06@chemfish.com | China | 5003 | 58 |
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Heptamethyl cyclotetrasiloxane
15721-05-8
C7H22O4Si4
