tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane Manufacturers, with SDS GHS MSDS Sheet

Supplier, Manufacturer, Exporter of tert-Butyldimethylsilyl Chloride or TBDMSCI, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal etc.

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tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane: CAS Number: 18162-48-6, EINECS EC Number: 242-042-4, Molecular Formula: C6H15ClSi or (CH3)3CSi(CH3)2Cl, Molecular Weight: 150.72, HS Code 2931 90 00

Specifications, Safety Data Sheet, Manufacturing process details, Wholesale retail buy sell prices, Uses etc available on line in these pages for tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane.

tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane is an organosilicon compound with the formula (CH3)3CSi(CH3)2Cl. It is used as silanization agent and hydroxyl protective agent, auxiliary material for synthesis of prostaglandin, some antibiotics and blood-lipid reducing drugs like lovastatin and simvastatin. tert-Butyldimethylsilyl chloride is a derivatisation agent also used in gas chromatography/mass spectrometry applications. It has a role as a chromatographic reagent.

General Properties and Specifications of tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane:
CAS number: 18162-48-6
Appearance: White crystals.
Assay: 99% minimum.
Tert-Butyl dimethylsilanol: 0.5% maximum.
Relative density: around 0.85
Melting point: 86C ~ 89C.
Boiling point: 125C.
Flash point: 22C.
Solubility: Reacts with water and alcohol. Soluble in many organic solvents.

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tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane SDS, Safety Data Sheet
MSDS, Material Safety Data Sheet 21-Nov-20

Product Name & Other Names: tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane.
CAS Number: 18162-48-6
EINECS EC Number: 242-042-4
Molecular Formula: C6H15ClSi or (CH3)3CSi(CH3)2Cl
Molecular Weight: 150.72
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Supplier: As per the letterhead.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Flammable solids (Category 1) H228
Skin corrosion (Category 1B) H314
Acute toxicity, inhalation (Category 4) H335

Hazard statements:
H228: Flammable solid.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.

Precautionary statements:
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P240: Ground/bond container and receiving equipment.
P241: Use explosion-proof electrical/ventilating/light/…/equipment.
P261: Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P262: Do not get in eyes, on skin, or on clothing.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P330: Rinse mouth.
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P302+P352: IF ON SKIN: Wash with soap and water.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P370+378: In case of fire: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide for extinction.

Hazard symbol(s)
F Flammable
C Corrosive
R-phrase(s)
R10 Flammable.
R34 Causes burns.
R37 Irritating to respiratory system.

Product Name & Other Names: tert-Butyldimethylsilyl chloride or TBDMSCI or tert-Butyldimethylchlorosilane.
CAS Number: 18162-48-6
EINECS EC Number: 242-042-4

Eye Contact: Do not allow victim to rub eye (s). Let the eye (s) water naturally for a few minutes. If particle/dust does not dislodge, flush with lukewarm, gently flowing water for 5 minutes or until particle/dust is removed, while holding eyelid (s) open. If irritation persists, obtain medical attention. DO NOT attempt to manually remove anything stuck to the eye.
Skin Contact: Remove contaminated clothing, shoes, and leather goods (e.g. watchbands, belts). Quickly and gently blot or brush away excess chemical. Wash gently and thoroughly with lukewarm gently flowing water and non-abrasive soap for 5 minutes. If irritation persists, repeat flushing. Obtain medical advice. Completely decontaminate clothing, shoes and leather goods before reuse or else discard.
Inhalation: If symptoms are experienced, remove source of contamination or move victim to fresh air. Obtain medical advice.
Ingestion: Never give anything by mouth if victim is rapidly losing consciousness or is unconscious or convulsing. Have victim rinse mouth thoroughly with water. DO NOT INDUCE VOMITING.

Fire and Explosion Hazards: Flammable Solids.
Extinguishing Media: Use means of extinction appropriate for the surrounding fire conditions from dry chemical, dry sand, or foam. Avoid water.
Fire Fighting: Apart from oxides of carbon. toxic fumes may result from combustion. Complex organic chlorides, hydrochloric acid and silicon oxides will form. As with any fire, fire fighters should be fully trained and wear full protective clothing including an approved, self-contained breathing apparatus which supplies a positive air pressure within a full-face piece mask. Do not use water directly on material. Do not allow water run-off to enter sewers or watercourses. Use water spray to cool unopened containers.
Specific Hazards: Flammable solid. May be ignited by heat, sparks, or flames.
Special hazards arising from the substance or mixture: Carbon oxides and fumes. Complex organic chlorides, hydrochloric acid and silicon oxides will form.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.

Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage: Stop release if possible, to do so safely. Contain spill, isolate hazard area, and deny entry. Remove all sources of ignition. Do not get water on material itself. Sweep up or vacuum. Place contaminated material in suitable, labeled containers for final disposal. Dispose of waste material consistent with the requirements of waste disposal authorities.

Precautions for safe handling: Keep away from sources of ignition - No smoking. Protect against moisture. Protect from air. Protect from direct sunlight. Take measures to prevent the build-up of electrostatic charge. It is good practice to keep the container closed when not in use. Sources of ignition should be kept well clear. Fire extinguishers should be kept handy. Dust can form an explosive mixture with air. Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Do not leave the material container open. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like bases, water, strong oxidizing agents, alcohols, amines, metals. Keep under nitrogen. Protect against moisture.

Control Parameters: Not established. Better keep low levels of exposure.
Respirators: Where dust or fumes are generated and cannot be controlled to within acceptable levels by engineering means, use appropriate NIOSH-approved respiratory protection equipment (a 42CFR84 Class N, R or P-95 particulate filter cartridge).
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Appearance: White crystals.
Odor: No odor.
Odor threshold: Not available.
pH: Not available.
Relative density: around 0.85
Freezing/Melting Point/Range: 86C ~ 89C.
Boiling Point: 125C.
Flash point: 22C literature.
Auto-ignition temperature: Can ignite at low temperature.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility in Water: Reacts with water and alcohol. Soluble in many organic solvents.
Viscosity: Not available.
Molecular Formula: C6H15ClSi or (CH3)3CSi(CH3)2Cl
Molecular Weight: 150.72

Stability and Reactivity: It is stable and not considered reactive under normal temperatures and pressures and if stored properly. Hazardous polymerization or runaway reactions will not occur. Corrodes metals in the presence of water or moisture. Reacts with water and acids. Reacts with substances which contain active hydrogen. Self heating possible in the presence of air. Accumulation of fine dust may entail the risk of a dust explosion in the presence of air.
Incompatibilities: Bases, water, strong oxidizing agents, alcohols, amines, metals.
Hazardous Decomposition Products: High temperature operations will generate carbon oxide and fume. Complex organic chlorides, hydrochloric acid and silicon oxides will form.
Conditions to Avoid: Avoid all sources of ignition: heat, sparks, open flame. Avoid moisture. Avoid electro-static charge. Avoid heat.

Acute Toxicity:
LD50/oral/rat - >2000 mg/kg.
Carcinogenicity: IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.

Eco toxicological data:
Toxicity to fish: No information available.
Persistence and degradability: No information available
Bioaccumulative potential: No information available.
Mobility: No information available.
Results of PBT and vPvB assessment: No information available.

Do not wash the material down drain. Put uncontaminated material back into the process if possible. Place contaminated material in suitable, labeled containers for disposal. Dispose of waste material consistent with the requirements of waste disposal authorities.

DOT USA, TDG Canada & ADR/RID Europe:
UN Number: 2921
UN proper shipping name: CORROSIVE SOLIDS, FLAMMABLE, N.O.S. (: tert-Butyldimethylsilyl chloride)
Transport hazard class(es): 4.1 (8); Packaging group: I.
IMDG/IMO & IATA/ICAO:
UN Number: 2921
UN proper shipping name: CORROSIVE SOLIDS, FLAMMABLE, N.O.S. (: tert-Butyldimethylsilyl chloride)
Transport hazard class(es): 4.1 (8); Packaging group: I.

USA Regulations:
SARA 313 Components: This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313.
SARA 311/312 Hazards: Fire Hazard, Reactive Acute Health Hazard. See section 2.
California Prop. 65 Components: This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm.

European Labeling in Accordance with EC Directives:
H228: Flammable solid.
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.

Disclaimer:
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Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.
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