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Chemical Product CAS:18162-48-6tert-Butyldimethylsilyl chloride

tert-Butyldimethylsilyl chloride

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    tert-Butyldimethylsilyl chloride
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tert-Butyldimethylsilyl chloride ( CASNO:18162-48-6 )

Identification and Related Records
tert-Butyldimethylsilyl chloride
CAS Registry number:
tert-Butyldimethylsilyl chloride
Tert-Butyl Dimethylchlorosilane
Molecular Formula:
Molecular Weight:
Canonical SMILES:
Chemical and Physical Properties
White solid
Melting Point:
Boiling Point:
12.089mmHg at 25°C
Refractive Index:
n20/D 1.46
Flash Point:
Stable under normal temperatures and pressures.
HS Code:
Storage temp:
Store at 5°C
Computed Properties:
Molecular Weight:150.7218 [g/mol]
Molecular Formula:C6H15ClSi
H-Bond Donor:0
H-Bond Acceptor:0
Rotatable Bond Count:1
Exact Mass:150.063155
MonoIsotopic Mass:150.063155
Topological Polar Surface Area:0
Heavy Atom Count:8
Formal Charge:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Hydrophobe Count:1
Effective Rotor Count:1
Conformer Sampling RMSD:0.4
CID Conformer Count:2
Safety and Handling
Hazard Codes:
Risk Statements:
Safety Statements:
Hazard Note:
Flammable/Corrosive/Moisture Sensitive
Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of Cl?.
Hazard Codes of tert-Butylchlorodimethylsilane (CAS NO.18162-48-6): C, F, T
Risk Statements: 35-40-34-10-19-11-67-65-63-48-20/21/22-45-23/24/25?
R11:Highly flammable.?
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.?
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.?
R34:Causes burns.?
R35:Causes severe burns.?
R40:Limited evidence of a carcinogenic effect.?
R45:May cause cancer.?
R63:Possible risk of harm to the unborn child.?
R65:Harmful: may cause lung damage if swallowed.?
R67:Vapours may cause drowsiness and dizziness.
Safety Statements: 26-36/37/39-46-62-45-25-16-28-27-33-29-53?
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice?
16: Keep away from sources of ignition - No smoking.;
25: Avoid contact with eyes.;
36/37/39: Wear suitable protective clothing, gloves and eye/face protection.;
46:?If swallowed, seek medical advice immediately and show this container or label??
62:? If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label?
45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;
27:?Take off immediately all contaminated clothing?
F 10-21:?Keep under argon. Sensitive to humidity.
Hazard Note: Flammable/Corrosive/Moisture Sensitive
RIDADR: UN 2925 4.1/PG 2
HazardClass: 4.1
WGK Germany: 2
Moisture Sensitive
UN 2925 4.1/PG 2
?tert-Butylchlorodimethylsilane is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product:?Do not induce vomiting. Get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, tert-Butylchlorodimethylsilane (CAS NO.18162-48-6) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, alkali metals, aluminum, and you must not take it with incompatible materials, ignition sources, heat. And also prevent it to broken down into hazardous decomposition products:?Hydrogen chloride, carbon monoxide, carbon dioxide, silicon dioxide, phosgene gas.
Reported in EPA TSCA Inventory.
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