1,1,3,3,5,5-Hexamethyl Cyclotrisilazane

Names

[ Name ]:
1,1,3,3,5,5-Hexamethyl Cyclotrisilazane

[Synonym ]:
EINECS 213-773-6
2,2,4,4,6,6-HexaMethylcyclotrisilazane
Dimethylsilazane Cyclic Trimer
MFCD00039698
2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-triazatrisilinane
Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl-
1,1,3,3,5,5-Hexamethyl Cyclotrisilazane

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
188.0±0.0 °C at 760 mmHg

[ Melting Point ]:
−10 °C(lit.)

[ Molecular Formula ]:
C₆H₂₁N₃Si₃

[ Molecular Weight ]:
219.508

[ Flash Point ]:
63.5±18.7 °C

[ Exact Mass ]:
219.104324

[ PSA ]:
36.09000

[ LogP ]:
1.86060

[ Vapour Pressure ]:
0.6±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.454

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ4720000

CHEMICAL NAME :: Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl-

CAS REGISTRY NUMBER :: 1009-93-4

BEILSTEIN REFERENCE NO. :: 0774739

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H21-N3-Si3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 1330 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Cardiac - pulse rate Lungs, Thorax, or Respiration - respiratory depression

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(11),50,1983 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 5950 mg/kg/17W-I

TOXIC EFFECTS :: Related to Chronic Data - death

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 27(11),50,1983

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
1993

[ WGK Germany ]:
3

[ RTECS ]:
GZ4720000

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

[ HS Code ]:
2901100000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2901100000

[ Summary ]:
2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%