1,1,3,3,5,5,7,7-octamethyltetrasiloxane

Suppliers

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,1,3,3-Tetramethyldisiloxane
  • Octamethylcyclotetrasiloxane
  • hexamethylcyclotrisiloxane
  • 1,7-dichlorooctamethyltetrasiloxane
  • Chlorodimethylsilane
  • dimethylsilanediol
  • 1,1,3,3-Tetramethyl Disilazane
  • thf

DownStream

  • Dimethylsilane
  • hexamethylcyclotrisiloxane
  • 1,1,3,3,5,5-hexamethyltrisiloxane

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%

Related Compounds

  • 1,1,3,3,5,5,7,7-octamethyltetrasiloxane-1,7-diol
  • 1-chloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
  • 1,7-Dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
  • (1,7-bis(1,2-epoxycyclohexyl-4-ethyl))-1,1,3,3,5,5,7,7-octamethyltetrasiloxane
  • 1,1,3,3,5,5,7,7,9,9,11,11,13,13-Tetradecamethylheptasiloxane
  • 1,1,3,3,5,5,7,7-Octamethyl-1,3,5,7-tetrasilacyclooctane
  • N-(3-methoxyphenethyl)-2-(5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)acetamide
  • 2-{5-oxo-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidin-3-yl}-N-[(pyridin-4-yl)methyl]acetamide
  • Benzyl (trans-2-hydroxycyclopentyl)carbamate
  • 4-(2-Chloro-5-methylphenyl)but-3-en-2-one
  • 2-(2-(5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)acetamido)benzamide
  • 2,5-Bis(1-methylethoxy)benzenamine
  • 7-methyl-3-(2-oxo-2-(pyrrolidin-1-yl)ethyl)-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one
  • 4-methoxy-2-methyl-N-(4-(2-phenylmorpholino)butyl)benzenesulfonamide
  • 5-chloro-2-methyl-N-(4-(2-phenylmorpholino)butyl)benzenesulfonamide
  • 3-chloro-4-methoxy-N-(4-(2-phenylmorpholino)butyl)benzenesulfonamide
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.