tert-Butyldimethylsilyl chloride
Product identifier
- Product name: tert-Butyldimethylsilyl chloride
- CBnumber: CB3763003
- CAS: 18162-48-6
- EINECS Number: 242-042-4
- Synonyms: TBSCl,TBDMSCl
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 400-158-6606
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordDanger
Substance
- Product name: tert-Butyldimethylsilyl chloride
- Synonyms: TBSCl,TBDMSCl
- CAS: 18162-48-6
- EC number: 242-042-4
- MF: C6H15ClSi
- MW: 150.72
Description of first aid measures
General adviceMost important symptoms and effects, both acute and delayed
Indication of any immediate medical attention and special treatment needed
Extinguishing media
Suitable extinguishing mediaSpecial hazards arising from the substance or mixture
Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
Further information
Water hydrolyzes material liberating acidic gas which in contact with metal surfaces can generate flammable and/or explosive hydrogen gas.Use water spray to cool unopened containers.
NFPA 704
| HEALTH | 3 | Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid) | |
| FIRE | 2 | Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur and multiple finely divided suspended solids that do not require heating before ignition can occur. Flash point between 37.8 and 93.3 °C (100 and 200 °F). (e.g. diesel fuel, sulfur) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up
Sweep up and shovel. Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations (see section 13). Keep in suitable, closed containers for disposal. Contain spillage, pick up with an electrically protected vacuum cleaner or by wet-brushing and transfer to a container for disposal according to local regulations (see section 13).
Reference to other sections
For disposal see section 13.
Precautions for safe handling
Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.Keep away from sources of ignition - No smoking.Take measures to prevent the build up of electrostatic charge.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Hydrolyses readily. Moisture sensitive.
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
control parameter
Hazard composition and occupational exposure limitsExposure controls
Appropriate engineering controlsHandle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.
Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.
The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm Break through time: 480 min
Material tested:Dermatril? (KCL 740 / Aldrich Z677272, Size M)
Splash contact Material: Nitrile rubber
Minimum layer thickness: 0,11 mm Break through time: 480 min
Material tested:Dermatril? (KCL 740 / Aldrich Z677272, Size M)
data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
Complete suit protecting against chemicals, Flame retardant antistatic protective clothing., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Where risk assessment shows air-purifying respirators are appropriate use a full- face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
Information on basic physicochemical properties
- Appearancewhite solid
- OdourNo data available
- Odour ThresholdNo data available
- pHNot applicable
- Melting point/freezing pointMelting point/range: 86 - 89 °C - lit.
- Initial boiling point and boiling range 125 °C - lit.
- Flash point22 °C - c.c.
- Evaporation rateNo data available
- Flammability (solid, gas)The substance or mixture is a flammable solid with the category - Flammability (solids)
- Upper/lower flammability or explosive limitsNo data available
- Vapour pressure7,10 hPa at 25 °C
- Vapour density1.225
- Relative density0,94 g/cm3 at 20 °C
- Water solubilityDecomposes in contact with water.
- Partition coefficient: n-octanol/waterNot applicable
- Autoignition temperatureNo data available
- Decomposition temperatureNo data available
- ViscosityNo data available
- Explosive propertiesNo data available
- Oxidizing propertiesNo data available
Other safety information
No data available
Reactivity
No data available
Chemical stability
May decompose on exposure to moist air or water. Stable under recommended storage conditions.
Possibility of hazardous reactions
No data available
Conditions to avoid
Heat, flames and sparks.
Incompatible materials
Water, Strong acids and strong bases, Amines, Aldehydes, Ketones, Oxidizing agents
Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides, Hydrogen chloride gas, silicon oxides
Other decomposition products - No data available In the event of fire: see section 5
Information on toxicological effects
Acute toxicityResult: Corrosive - 4 h (OECD Test Guideline 404)
Salmonella typhimurium Result: negative
Mutagenicity (mammal cell test): chromosome aberration. Chinese hamster fibroblasts
Result: positive
In vitro mammalian cell gene mutation test mouse lymphoma cells
Result: negative
In vitro mammalian cell gene mutation test Chinese hamster fibroblasts
Result: negative
burning sensation, Cough, wheezing, laryngitis, Shortness of breath, spasm, inflammation and edema of the larynx, spasm, inflammation and edema of the bronchi, pneumonitis, pulmonary edema, Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and skin., To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Quantitative data on the toxicity of this product are not available. Further data:
Other dangerous properties can not be excluded.
Handle in accordance with good industrial hygiene and safety practice.
Toxicity
static test EC50 - Daphnia magna (Water flea) - 6,49 mg/l - 48 h (OECD Test Guideline 202)
(OECD Test Guideline 201)
NOEC - Pseudokirchneriella subcapitata (green algae) - 12,5 mg/l - 72 h
(OECD Test Guideline 201)
Persistence and degradability
Bioaccumulative potential
Mobility in soil
Results of PBT and vPvB assessment
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Other adverse effects
Toxic to aquatic life with long lasting effects.
We have no quantitative data concerning the ecological effects of this product. Further information on ecology
Discharge into the environment must be avoided.
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Waste material must be disposed of in accordance with the Directive on waste 2008/98/EC as well as other national and local regulations. Leave chemicals in original containers. No mixing with other waste. Handle uncleaned containers like the product itself.
Contaminated packaging
Dispose of as unused product.
UN number
ADR/RID: 2921 IMDG: 2921 IATA: 2921
UN proper shipping name
ADR/RID: CORROSIVE SOLID, FLAMMABLE, N.O.S. (tert-butylchlorodimethylsilane) IMDG: CORROSIVE SOLID, FLAMMABLE, N.O.S. (tert-butylchlorodimethylsilane) IATA: Corrosive solid, flammable, n.o.s. (tert-butylchlorodimethylsilane)
Transport hazard class(es)
ADR/RID: 8 (4.1) IMDG: 8 (4.1) IATA: 8 (4.1)
Packaging group
ADR/RID: I IMDG: I IATA: I
Environmental hazards
ADR/RID: yes IMDG Marine pollutant: yes IATA: no
Special precautions for user
No data available
Safety, health and environmental regulations/legislation specific for the substance or mixture
Regulations on the Safety Management of Hazardous ChemicalsAbbreviations and acronyms
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- CAS: Chemical Abstracts Service
- EC50: Effective Concentration 50%
- IATA: International Air Transportation Association
- IMDG: International Maritime Dangerous Goods
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- STEL: Short term exposure limit
- TWA: Time Weighted Average
References
【1】CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
【2】ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
【3】ECHA - European Chemicals Agency, website: https://echa.europa.eu/
【4】eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
【5】ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
【6】Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
【7】HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
【8】IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
【9】IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
【10】Sigma-Aldrich, website: https://www.sigmaaldrich.com/
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.