1,2-bis(trimethoxysilyl)ethane

Names

[ Name ]:
1,2-bis(trimethoxysilyl)ethane

[Synonym ]:
Ethylenebis(trimethoxysilane)
hexa-Si-methoxy-Si,Si'-ethane-1,2-diyl-bis-silane
2,7-Dioxa-3,6-disilaoctane, 3,3,6,6-tetramethoxy-
BTMSE
1,2-Ethylenebis(trimethoxysilane)
EINECS 242-285-6
2,7-Dioxa-3,6-disilaoctane,3,3,6,6-tetramethoxy
1,2-Bis(triMethoxysilyl)ethane
Hexa-Si-methoxy-Si,Si'-aethandiyl-bis-silan
3,3,6,6-Tetramethoxy-2,7-dioxa-3,6-disilaoctane
MFCD00053672
bis(trimethoxysilyl)ethane
hexa-Si-methoxy-Si,Si'-ethanediyl-bis-silane
Hexamethoxydisilylethane
1,2-bis(trimethoxysilyl)ethan
1,4-Disilabutane,1,1,1,4,4,4-hexamethoxy
Dow corning X1-6145A

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
206.4±23.0 °C at 760 mmHg

[ Melting Point ]:
<0ºC

[ Molecular Formula ]:
C₈H₂₂O₆Si₂

[ Molecular Weight ]:
270.428

[ Flash Point ]:
66.7±23.0 °C

[ Exact Mass ]:
270.095490

[ PSA ]:
55.38000

[ LogP ]:
0.36

[ Vapour Pressure ]:
0.3±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.410

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JG7873000

CHEMICAL NAME :: 2,7-Dioxa-3,6-disilaoctane, 3,3,6,6-tetramethoxy-

CAS REGISTRY NUMBER :: 18406-41-2

BEILSTEIN REFERENCE NO. :: 1776976

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C8-H22-O6-Si2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2400 ppb/4H

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 14,312,1994 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 100 ppb/6H/14D-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 15,6,1995

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 10 ppm/6H/2D-I

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Gastrointestinal - changes in structure or function of salivary glands Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0527762-5

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H330

[ Precautionary Statements ]:
P260-P284-P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
T+: Very toxic;

[ Risk Phrases ]:
R26

[ Safety Phrases ]:
S23-S36/37-S45

[ RIDADR ]:
UN 3382 6.1/PG 1

[ WGK Germany ]:
3

[ RTECS ]:
JG7873000

[ Hazard Class ]:
6.1

[ HS Code ]:
2931900090

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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