Harcros Caustic Soda 25% Membrane

Harcros Caustic Soda 25% Membrane is a liquid chemical used in acid neutralization processes. It is provided in a liquid form.

Chemical Name: Sodium Hydroxide

CAS Number: 1310-73-2

Grade: Membrane Grade

Labeling Claims: Kosher, Not Listed In California Proposition 65, Pareve

Synonyms: Caustic Soda, NaOH, Soda Lye, Sodium Hydrate, White Caustic

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Identification & Functionality

Features & Benefits

Applications & Uses

Applicable Processes

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Sodium Hydroxide24.0 - 26.0wt %-
Sodium Hydroxide24.0 - 26.0wt%-
Sodium Oxide18.5 - 20.5wt %-
Sodium Oxide18.5 - 20.5wt%-
Sodium Chloridemax. 60ppm-
Sodium Chloridemax. 60wt%-
Iron Contentmax. 2ppm-
Ironmax. 2.0ppm-
Sodium Sulfatemax. 60ppm-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Freezing Point (at 7%)-4°C-
Volatile Organic Compound0%-
Relative Density (at 7 - 8%)1.065 - 1.087g/cm³-
Relative Density (at 10 - 12%)1.109 - 1.131g/cm³-
Relative Density (at 14 - 0.16%)1.153 - 1.175g/cm³-
Relative Density (at 18 - 0.2%)1.197 - 1.219g/cm³-
Relative Density (at 22°C, 0.24%)1.241 - 1.263g/cm³-
Relative Density (at 26°C, 0.28%)1.285 - 1.306g/cm³-
Relative Density (at 30°C, 0.32%)1.328 - 1.349g/cm³-
Dynamic Viscosity1.51 - 16.844mPa s-
Boiling Point (at 7%)102°C-
Initial Boiling Point (at 20%)108°C-
Initial Boiling Point (at 32%)120°C-
pH20°C-
pHmin. 14--
Vapor Pressure (at 122°F)42 - 84mmHg-
Relative Density68°F-
Freezing Point (at 32%)8°C-
AppearanceClear--
ColorColorless--
Physical StateLiquid--
Freezing Point (at 20%)min. -28°C-
OdorOdorless--
Soluble inWater--

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