Methyltrichlorosilane Chemical Storage Specifications

Compliant storage and rental solutions for Methyltrichlorosilane (CH3CI3Si). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.

Flammable hazardFlammable Storage

Chemical formula

About Methyltrichlorosilane

Methyltrichlorosilane, also known as trichloromethylsilane, is a monomer and organosilicon compound with the formula CH₃SiCl₃. It is a colorless liquid with a sharp odor similar to that of hydrochloric acid.

Structured hazard data

Hazard class
Flammable Liquids Category 2
Storage category
Flammable Storage
Flammable
Yes
Flash point
-15 °C / 5 °F
Storage temperature
See SDS
Recommended extinguishing agent
Dry Chemical
Compatibility / segregation
Incompatible Materials: Strong oxidizing agents, Water, Strong acids, Strong bases, Amines, Alcohols, Metals

Acute oral toxicity Category 4 Acute dermal toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1

Fire Suppression System

Dry Chemical fire suppression is recommended for Methyltrichlorosilane

  • Water

    Water

  • Dry Chemical

    Dry Chemical · Recommended

  • CO₂ / Other

    CO₂ / Other

Guidance: Dry Chemical fire suppression is generally recommended for Methyltrichlorosilane (CH3CI3Si). *Please consult your raw material manufacturer's safety data sheet (SDS) and your local authority having jurisdiction to verify the most adequate fire suppression extinguisher for your specific storage or use.

Additional extinguishing notes: Powder. Water mist may be used to cool closed containers. CO 2, dry chemical, drysand,alcohol-resistant foam

Always confirm extinguishing agents against the manufacturer SDS and your authority having jurisdiction before specifying a rental building fire-suppression package.

Storage & segregation guidance

Compliant storage and rental solutions for Methyltrichlorosilane should account for its listed hazards (Flammable Liquids Category 2), climate control needs, and segregation requirements. Incompatible Materials: Strong oxidizing agents, Water, Strong acids, Strong bases, Amines, Alcohols, Metals

Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.

Properties: Melting Point/Range -77 °C / -106.6 °F Boiling Point/Range 66 °C / 150.8 °F

Matched to this chemical

Recommended storage solutions for Methyltrichlorosilane

Fire rating, footprint, and containment options from the US Hazmat Rentals fleet — sized for compliant chemical storage.

  • Fire-rated4 HourChemical Storage

    FireSAFE 4X

    • 4-Hour Fire-Rated
    • 8 ft x 40 ft
    • 57 Barrels
    • 55 Gal Storage Drums
    • 228 Square Feet storage
    View product
  • Fire-rated4 HourChemical Storage

    FireSAFE 4X

    • 4-Hour Fire-Rated
    • 8 ft x 10 ft
    • 12 Barrels
    • 55 Gal Storage Drums
    • 48 Square Feet storage
    View product
  • Fire-rated4 hourChemical Tote Storage

    Single Tote & Pallet Storage

    • 4-Hour Fire-Rated 6' Deep 1-Tote-Deep
    View product

Material handling

How do you manage your bulk chemical storage?

US Hazmat Rentals buildings are designed around the primary storage formats teams use in the field — each path opens the matching storage solution on ushazmatrentals.com.

We have solutions designed for your workflow process needs.

Frequently asked questions

How should Methyltrichlorosilane be stored?

Store Methyltrichlorosilane in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Flammable Liquids Category 2). Climate range guidance: Follow the temperature range listed on the manufacturer SDS.. Compatibility notes: Incompatible Materials: Strong oxidizing agents, Water, Strong acids, Strong bases, Amines, Alcohols, Metals US Hazmat Rentals provides compliant chemical storage buildings available for rental.

Is Methyltrichlorosilane flammable?

Yes — Methyltrichlorosilane is flagged as a flammable hazard in this database (Yes). Flash point: -15 °C / 5 °F. Use fire-rated storage and follow NFPA 30 / applicable flammable-liquid rules where they apply.

What hazard class is Methyltrichlorosilane?

Methyltrichlorosilane is listed as: Flammable Liquids Category 2. Acute oral toxicity Category 4 Acute dermal toxicity Category 4 Acute Inhalation Toxicity - Vapors Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1

What fire suppression is recommended for Methyltrichlorosilane?

Dry Chemical fire suppression is generally recommended for Methyltrichlorosilane (CH3CI3Si). *Please consult your raw material manufacturer's safety data sheet (SDS) and your local authority having jurisdiction to verify the most adequate fire suppression extinguisher for your specific storage or use.

Is compliant Methyltrichlorosilane storage available for rent?

Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Methyltrichlorosilane. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.