Harcros Hydrofluorosilicic Acid 23%

Harcros Hydrofluorosilicic Acid 23% is a liquid chemical used in water treatment processes, including water fluoridation. It is also applied in electroplating and glass etching.

Chemical Name: Hexafluorosilicic Acid

CAS Number: 16961-83-4, 7732-18-5, 7664-39-3

Labeling Claims: Not Listed In California Proposition 65

Safety Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Hexafluorosilicic Acid23.0 - 25.0%-
HFmax. 1.0%-
Arsenic Contentmax. 50.0ppm-
Ironmax. 70.0ppm-
Leadmax. 200ppm-
Phosphatemax. 4000ppm-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
pH1 - 2--
pH17.5°C-
Relative Density (at 21 - 25% solution)1.185 - 1.225g/cm³-
Specific Gravity (at 16°C, 25% solution, HFS)1.234--
Decomposition Temperature100°C-
Boiling Point105°C-
Relative Density17.5°C-
Viscosity Temperature20°C-
Vapor Pressure (at 35% solution, 20°C)3kPa-
Viscocity6.5cPs-
Vapor Pressure68°F-
AppearanceClear--
ColorColorless--
Soluble inWater--
Physical StateLiquid--
Freezing Pointmax. -20°C-
Vapor Density (at 20°C)min. 1--
OdorPungent--

Regulatory & Compliance

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