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How to Read a WHMIS Safety Data Sheet

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HOW TO READ A WHMIS SAFETY DATA SHEET WSPS.CA 20 305-BST-01-IMDO © 2024, Workplace Safety & Prevention Services (WSPS) 1 877 494 WSPS (9777) | 905 614 1400 | WSPS.CA k) pH: 6.0 This hazardous product is a weak acid since its pH is 6.0. This means that the hazardous product is not likely to be highly corrosive (not likely to degrade/eat away at living tissues, metals and other materials). l) Kinematic Viscosity: Data not available. m) Solubility: Soluble in Water at 25 °C (77 °F) This hazardous product can dissolve in water more readily. This information can be used for spill response and fire fighting procedures. n) Partition Coefficient, n-Octanol/Water (Log Kow): -0.85 Since the Partition Coefficient (Log Kow = -0.85) is less than 1, this indicates that this product dissolves more easily in water. It also means that this product is not easily absorbed or stored in fatty tissues of the body. o) Vapor Pressure: 129 mm Hg at 25 °C (77 °F) This hazardous product has a high Vapor Pressure (as a point of reference, water has a low vapor pressure with 23.8 mmHg at 25 °C). The higher the vapor pressure, the higher the potential for the hazardous product to become a vapor or gas. Products with high vapor pressures are more dangerous as they can become airborne (inhaled and catch fire) more easily. p) Density and Relative Density – 0.782-0.790 g/mL at 25 °C (77 °F) This hazardous product is less dense than water (as a point of reference, the density of water is 0.9970 g/mL at 25 °C). This indicates the following: – Floats on water. – Can catch fire and spread flames more easily. – May spread through the air and water more easily. q) Relative Vapor Density: 1.11 This hazardous product's Vapor Density is heavier than air (1.11 > 1.0) and will sink. This indicates the following: – Vapors can flow along the ground and collect in low-lying areas or depressions. – Vapors can sink until it is at a concentration sufficent for ignition. – Vapors can collect to cause the displacement of air, presenting a risk of suffocation (especially in confined spaces). r) Particle Characteristics: No data available relating to particle size and distribution. 9.2 Other Information Vapors may form explosive mixtures with air.

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