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Toxic Gases & Vapors -> Chlorosilanes

Corrosives

1.476

1.465 @25 °C

Trichloro(chloromethyl)silane is a liquid. (EPA, 1998)

Liquid; [CAMEO] Clear colorless liquid; [MSDSonline]

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P271, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 71 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Chemical: Silane, trichloro(chloromethyl)-

Status: Active Update: 02-12-2014 https://echa.europa.eu/registration-dossier/-/registered-dossier/6970

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

(Non-specific -- Methyl Trichloro- silane) Flammable/Combustible material; may be ignited by heat, sparks, or flames. Vapors may travel to a source of ignition and flash back. Container may explode in heat of fire. Vapor explosion hazard indoors, outdoors, or in sewers. Runoff to sewer may create fire or explosion hazard. May react violently with water. (EPA, 1998)

Reacts with water producing hydrogen chloride; May cause burns to skin and eyes; [CAMEO] Reacts violently with water; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline]

Chlorosilanes, such as TRICHLORO(CHLOROMETHYL)SILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. They may also produce flammable gaseous H2. They can serve as chlorination agents. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases.

Skin Corr. 1B (100%)

Corrosives, Flammable agents - 2nd degree, Reactive agents - 2nd degree

(Non-specific -- Methyl Trichlorosilane) Move container from fire area if you can do it without risk. Do not get water inside container. Cool containers that are exposed to flames with water from the side until well after fire is out. Stay away from ends of tanks. Withdraw immediately in case of rising sound from venting safety device or any discoloration of tank due to fire.

Signs and Symptoms of Acute Trichloro (Chloromethyl) Silane Exposure: Signs and symptoms of acute ingestion of trichloro (chloromethyl) silane may be severe, and include increased salivation, intense thirst, difficulty swallowing, chills, pain, and shock. Oral, esophageal, and stomach burns are common. Vomitus generally has a coffee-ground appearance. The potential for circulatory collapse is high following ingestion of trichloro (chloromethyl) silane. Acute inhalation exposure may result in sneezing, choking, laryngitis, dyspnea (shortness of breath), respiratory tract irritation, and chest pain. Bleeding of nose and gums, ulceration of the nasal and oral mucosa, pulmonary edema, chronic bronchitis, and pneumonia may also occur. If the eyes have come in contact with trichloro (chloromethyl) silane, irritation, pain, swelling, corneal erosion, and blindness may result. Dermatitis (red, inflamed skin), severe burns, pain, and shock generally follow dermal exposure.

TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016].

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

0.60 [ppm]

7.3 [ppm]

33 [ppm]

For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. (EPA, 1998)

AEGL 1: Notable discomfort, irritation, or certain asymptomatic non-sensory effects. However, the effects are not disabling and are transient and reversible upon cessation of exposure (Unit: ppm)

0.60

0.60

0.60

0.60

0.60