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ChemicalBook >> CAS DataBase List >> Methyltrichlorosilane

Methyltrichlorosilane

Methyltrichlorosilane price.
  • $15 - $636
  • Product name: Methyltrichlorosilane
  • CAS: 75-79-6
  • MF: CH3Cl3Si
  • MW: 149.47
  • EINECS:200-902-6
  • MDL Number:MFCD00000481
  • Synonyms:METHYLTRICHLOROSILANE;Methyltriehlorosilane;Methyl silicochloroform;METHYLSILICON TRICHLORIDE;CH3SiCl3;CM9000;Methylsilichloroform ;methylsilyltrichloride
29 prices
Selected condition:
Brand
  • Chem-Impex
  • Matrix Scientific
  • Sigma-Aldrich
  • Strem Chemicals
  • SynQuest Laboratories
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 500mg
  • 1g
  • 2.500g
  • 5g
  • 25G
  • 50g
  • 100G
  • 250ML
  • 500G
  • 1l
  • 10 mL
  • 500 mL
  • ManufacturerChem-Impex
  • Product number42390
  • Product descriptionTrichloro(methyl)silane,98%(GC) 98%(GC)
  • Packaging25G
  • Price$15.68
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number42390
  • Product descriptionTrichloro(methyl)silane,≥98%(GC)Hazmat ≥98%(GC)
  • Packaging100G
  • Price$24.46
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number42390
  • Product descriptionTrichloro(methyl)silane,98%(GC) 98%(GC)
  • Packaging500G
  • Price$67.2
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135041
  • Product descriptionTrichloro(methyl)silane 95%+
  • Packaging1g
  • Price$195
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135041
  • Product descriptionTrichloro(methyl)silane 95%+
  • Packaging2.500g
  • Price$420
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135041
  • Product descriptionTrichloro(methyl)silane 95%+
  • Packaging5g
  • Price$636
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number440299
  • Product descriptionMethyltrichlorosilane ≥96%
  • Packaging1l
  • Price$135
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number8.08255
  • Product descriptionTrichloromethylsilane for synthesis
  • Packaging1L
  • Price$141
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberM85301
  • Product descriptionMethyltrichlorosilane 99%
  • Packaging500g
  • Price$84.9
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number679208
  • Product descriptionMethyltrichlorosilane deposition grade, ≥98% (GC), ≥99.99% (as metals)
  • Packaging50g
  • Price$68.3
  • Updated2026-04-30
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  • ManufacturerSigma-Aldrich
  • Product numberM85301
  • Product descriptionMethyltrichlorosilane 99%
  • Packaging100g
  • Price$68.5
  • Updated2026-04-30
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  • ManufacturerSigma-Aldrich
  • Product number8.08255
  • Product descriptionTrichloromethylsilane for synthesis
  • Packaging250ML
  • Price$39.3
  • Updated2026-04-30
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  • ManufacturerSigma-Aldrich
  • Product numberM85301
  • Product descriptionMethyltrichlorosilane 99%
  • Packaging5g
  • Price$50.3
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1417
  • Product descriptionTrichloromethylsilane, min. 97%
  • Packaging100g
  • Price$30
  • Updated2024-03-01
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  • ManufacturerStrem Chemicals
  • Product number93-1417
  • Product descriptionTrichloromethylsilane, min. 97% min.97%
  • Packaging100g
  • Price$32
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1417
  • Product descriptionTrichloromethylsilane, min. 97%
  • Packaging500g
  • Price$116
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Chem-Impex 42390 Trichloro(methyl)silane,98%(GC) 98%(GC) 25G $15.68 2021-12-16 Buy
Chem-Impex 42390 Trichloro(methyl)silane,≥98%(GC)Hazmat ≥98%(GC) 100G $24.46 2021-12-16 Buy
Chem-Impex 42390 Trichloro(methyl)silane,98%(GC) 98%(GC) 500G $67.2 2021-12-16 Buy
Matrix Scientific 135041 Trichloro(methyl)silane 95%+ 1g $195 2021-12-16 Buy
Matrix Scientific 135041 Trichloro(methyl)silane 95%+ 2.500g $420 2021-12-16 Buy
Matrix Scientific 135041 Trichloro(methyl)silane 95%+ 5g $636 2021-12-16 Buy
Sigma-Aldrich 440299 Methyltrichlorosilane ≥96% 1l $135 2026-04-30 Buy
Sigma-Aldrich 8.08255 Trichloromethylsilane for synthesis 1L $141 2026-04-30 Buy
Sigma-Aldrich M85301 Methyltrichlorosilane 99% 500g $84.9 2026-04-30 Buy
Sigma-Aldrich 679208 Methyltrichlorosilane deposition grade, ≥98% (GC), ≥99.99% (as metals) 50g $68.3 2026-04-30 Buy
Sigma-Aldrich M85301 Methyltrichlorosilane 99% 100g $68.5 2026-04-30 Buy
Sigma-Aldrich 8.08255 Trichloromethylsilane for synthesis 250ML $39.3 2026-04-30 Buy
Sigma-Aldrich M85301 Methyltrichlorosilane 99% 5g $50.3 2026-04-30 Buy
Strem Chemicals 93-1417 Trichloromethylsilane, min. 97% 100g $30 2024-03-01 Buy
Strem Chemicals 93-1417 Trichloromethylsilane, min. 97% min.97% 100g $32 2026-04-30 Buy
Strem Chemicals 93-1417 Trichloromethylsilane, min. 97% 500g $116 2024-03-01 Buy

Properties

Melting point :-77 °C
Boiling point :66 °C (lit.)
Density :1.273 g/mL at 25 °C (lit.)
vapor density :5.2 (vs air)
vapor pressure :150 mm Hg ( 25 °C)
refractive index :n20/D 1.411
Flash point :5 °F
storage temp. :Flammables area
solubility :sol methylene chloride.
form :liquid
color :colorless
Specific Gravity :1.275
Odor :Sharp, irritating odor
explosive limit :5.5-10.4%(V)
Water Solubility :REACTS
FreezingPoint :-77.8℃
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
Sensitive :Moisture Sensitive
BRN :1361381
Stability :Stable, but reacts violently with water. Highly flammable. Incompatible with moisture, water, strong bases, strong acids, strong oxidizing agents.
InChI :1S/CH3Cl3Si/c1-5(2,3)4/h1H3
InChIKey :JLUFWMXJHAVVNN-UHFFFAOYSA-N
SMILES :C[Si](Cl)(Cl)Cl
CAS DataBase Reference :75-79-6(CAS DataBase Reference)
NIST Chemistry Reference :Silane, trichloromethyl-(75-79-6)
EPA Substance Registry System :Methyltrichlorosilane (75-79-6)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H290 May be corrosive to metals Corrosive to Metals Category 1 Warning GHS hazard pictograms P234, P390, P404
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger GHS hazard pictograms P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P234 Keep only in original container.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
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.
P284 Wear respiratory protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P390 Absorb spillage to prevent material damage.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P405 Store locked up.
P406 Store in corrosive resistant/… container with a resistant inner liner.
P501 Dispose of contents/container to..…

Description

Methyltrichlorosilane is used in production of methyl silicone resins, its vapor reacts with water on surfaces to give a thin layer of methylpolysiloxane which make it a water-repellent film. A combination of methyltrichlorosilane and sodium iodide can be used to cleave carbon-oxygen bonds such as methyl ethers. It is used as a precursor for forming various cross-linked siloxane polymers. Trichloromethylsilane is the starting material for the production of pure silicon for manufacture of semiconductors and optical fibers.

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