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Hydrofluoric Acid 40%

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Hydrofluoric Acid 40% Specification

Boiling point
Approximately 108C (40% solution)

Smell
Pungent, Irritating Odor

Structural Formula
HF

HS Code
28111100

Molecular Weight
20.01 g/mol

Refractive Rate
1.25 (approximate)

Molecular Formula
HF (aq)

Taste
Not Applicable (Toxic & Corrosive)

Classification
Inorganic Acid

Inorganic Acid Types
Hydrofluoric Acid

Purity
40%

Application
Glass Etching, Metal Cleaning, Electronics Industry, Chemical Synthesis

Appearance
Colorless, Fuming Liquid

EINECS No
231-634-8

Other Names
Hydrogen Fluoride Solution

Usage
Used as an industrial reagent, in etching glass, cleaning metals, and in other specialized chemical applications

Melting Point
-83.6C

Density
1.13 Gram per cubic centimeter(g/cm3)

Solubility
Miscible with Water

Raw Material
Hydrogen Fluoride, Water

Storage Conditions
Cool, ventilated area, away from incompatible substances such as glass and strong bases

pH Value
Less than 2.0 (Very Acidic)

Stability
Stable under normal conditions, reacts with glass and metals

Corrosivity
Highly corrosive to skin, eyes, and mucous membranes

Transport Hazard Class
8 (Corrosive)

Vapor Pressure
Noted for fuming; emits hazardous vapors at room temperature

Packaging
Supplied in Plastic or Teflon Containers

Hazard Identification
Corrosive, Toxic, Causes Severe Burns

UN Number
UN1790 (Hydrofluoric Acid Solution)

Shelf Life
24 Months (if stored properly in airtight containers)

About Hydrofluoric Acid 40%

We are a reputed organization that caters to the diversified requirements of clients by offering our clients Hydrofluoric Acid 40%. This chemical is known for its exceptionally high chemical purity and far superior kinetics and reaction mechanics. We use finest quality compounds, sourced from trusted vendors to process this chemical. Hydrofluoric Acid 40% is highly effective in analysis of trace metals. It is used in mining, chemical, glass manufacturing and ceramic industry.

Features :

Colorless solution
Miscible in water
Longer shelf life

Composition :

Tests	Specifications	Results
Description	Colourless to brown fuming liquid	Colourless to brown fuming liquid
Assay (Min)	55.0%	55.93%
Arsenic (As)	<5ppm	<5ppm
Chloride &bromide (as Cl)	<0.05%	<0.05%
Heavy metals (as Pb)	<0.001%	<0.001%
Iron (Fe)	<0.001%	0.0005%
Stabilizer (H3PO2)	<1.5%	<1.5%
Sulphate (SO4)	<0.005%	<0.005%

Industry Applications

Hydrofluoric Acid 40% is essential in several industrial processes. Commonly used for glass etching, it also plays a key role in cleaning metals and as a reagent in electronic manufacturing and specialized chemical synthesis. Its high reactivity makes it valuable for processes demanding precision and strong etching capabilities.

Safe Handling and Packaging

Due to its corrosivity and reactivity with glass and metals, Hydrofluoric Acid 40% is exclusively supplied in plastic or Teflon containers. These materials prevent dangerous chemical reactions and ensure product integrity during storage and transport, minimizing hazards to users and the environment.

Storage and Shelf Life

Proper storage is essential for maintaining stability and safety. Store Hydrofluoric Acid 40% in a cool, well-ventilated area away from incompatible substances like glass and strong bases. Airtight containers extend its shelf life to 24 months, reducing the risk of hazardous vapor emissions.

FAQ's of Hydrofluoric Acid 40%:

Q: How should Hydrofluoric Acid 40% be handled and stored safely?

A: Handle Hydrofluoric Acid 40% wearing full protective equipment, including gloves, goggles, and a chemical-resistant apron. Store it in airtight plastic or Teflon containers in a cool, ventilated area, away from incompatible materials like glass and strong bases. Immediate cleanup of spills is crucial due to its highly toxic and corrosive nature.

Q: What are the main industrial uses of Hydrofluoric Acid 40%?

A: Hydrofluoric Acid 40% is primarily used for glass etching, cleaning metals, manufacturing electronics components, and serving as a reagent in various chemical synthesis processes. Its ability to react with silicates and metals is especially valued in specialized industrial applications.

Q: When does Hydrofluoric Acid 40% pose the most significant hazards?

A: Hazards are greatest when Hydrofluoric Acid 40% is handled without proper protective equipment or when it comes into contact with unsuitable materials, such as glass or metals. Fumes emitted at room temperature also pose inhalation risks, making adequate ventilation and airtight storage critical at all times.

Q: Where does Hydrofluoric Acid 40% need to be stored to maintain its quality?

A: To preserve its stability and extend shelf life, Hydrofluoric Acid 40% should be kept in a cool, ventilated, and dedicated chemical storage area-always within airtight plastic or Teflon containers and far from incompatible substances like glass, metals, and strong bases.

Q: What is the process for disposing of Hydrofluoric Acid 40% safely?

A: Disposal of Hydrofluoric Acid 40% must comply with local hazardous waste regulations. Transfer residual acid to designated hazardous waste containers and coordinate with licensed disposal professionals to neutralize and treat the waste, preventing environmental contamination and health hazards.

Q: How does Hydrofluoric Acid 40% benefit specific industrial applications?

A: Hydrofluoric Acid 40% is uniquely capable of etching glass and dissolving oxides on metals, making it indispensable for precise glass artwork, microfabrication in the electronics industry, and cleaning specialized equipment in manufacturing settings.

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