1,1,3,3,5,5,7,7-octamethyltetrasiloxane
Names
[ CAS No. ]:
1000-05-1
[ Name ]:
1,1,3,3,5,5,7,7-octamethyltetrasiloxane
[Synonym ]:
Octamethyltetrasiloxane
EINECS 213-669-0
1,1,3,3,5,5,7,7-Octamethyl-tetrasiloxan
1,1,3,3,5,5,7,7-octamethyltetrasiloxane
dihydro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
Tetrasiloxane, 1,1,3,3,5,5,7,7-octamethyl-
Tetrasiloxane,1,1,3,3,5,5,7,7-octamethyl
MFCD00039789
1,1,3,3,5,5,7,7-Octamethyl Tetrasiloxane
Chemical & Physical Properties
[ Density]:
0.863
[ Boiling Point ]:
205.1±23.0 °C at 760 mmHg
[ Melting Point ]:
<0ºC
[ Molecular Formula ]:
C8H26O3Si4
[ Molecular Weight ]:
282.632
[ Flash Point ]:
77.8±22.6 °C
[ Exact Mass ]:
282.095886
[ PSA ]:
27.69000
[ LogP ]:
7.69
[ Vapour Pressure ]:
0.4±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.3875
[ Storage condition ]:
2~8℃
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- XF3902000
- CHEMICAL NAME :
- Tetrasiloxane, 1,1,3,3,5,5,7,7-octamethyl-
- CAS REGISTRY NUMBER :
- 1000-05-1
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C8-H26-O2-Si4
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 9 gm/m3/6H/4W-I
- TOXIC EFFECTS :
- Liver - other changes Liver - changes in liver weight
- REFERENCE :
- TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 15,182,1995
Safety Information
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
36/37/38
[ Safety Phrases ]:
26-36
[ RTECS ]:
XF3902000
[ HS Code ]:
2934999090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2934999090
[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%