Hydrofluoric Acid

Hydrofluoric Acid Specification

Poisonous
No

Ph Level
<1

Molecular Formula
HF

Density
0.99 Gram per cubic centimeter(g/cm3)

Molecular Weight
20.01 g/mol

Smell
Strong pungent odor

Melting Point
-83.6C

Form
Colorless liquid

Purity
99.9%

HS Code
28111100

Other Names
HF; Fluoric Acid

Solubility
Miscible with water

Shape
Liquid

Storage
Store in tightly closed containers in a cool ventilated area

Refractive Rate
1.00045

Structural Formula
H-F

Boiling point
19.5C

Classification
Inorganic Acid

Chemical Name
Hydrofluoric Acid

CAS No
7664-39-3

EINECS No
231-634-8

Grade
Industrial Grade

Standard
ASTM D1209

Type
Corrosive Chemical

Usage
Etching glass metal cleaning electronics manufacturing

Main Material
Hydrogen Fluoride

Application
Glass industry electronics chemical manufacturing

About Hydrofluoric Acid

Usage/Application	Manufacturing Fluorochemicals
Purity/Concentration	60%
Brand	PANFAC, NAVEEN
Form	Liquid
Grade	Industrial Grade
Packaging Details	38Kg Can

Dilute Hydrofluoric Acid (HF) is a solution of hydrofluoric acid mixed with water. Hydrofluoric acid is a highly corrosive and toxic acid derived from the dissolution of hydrogen fluoride (HF) in water. When diluted, it typically contains a lower concentration of HF compared to concentrated forms, making it slightly less aggressive but still very dangerous. Hydrofluoric acid is commonly used in various industrial, chemical, and laboratory applications due to its unique ability to dissolve silica, metals, and other materials.

Versatile Applications Across Industries

Hydrofluoric Acid is foundational in the glass industry for etching and frosting processes, plays a key role in electronic component manufacturing, and serves as an efficient agent for metal cleaning. Its unique ability to react with silica distinguishes it in specialized chemical applications, positioning it as indispensable in various technological sectors.

Safe Storage and Handling Guidelines

Given its strong corrosive nature, Hydrofluoric Acid should always be stored in tightly sealed containers within a cool, well-ventilated environment, isolated from incompatible substances. Appropriate protective equipment such as gloves, goggles, and chemical-resistant clothing must be used during handling to mitigate health and safety risks.

FAQs of Hydrofluoric Acid:

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

A: Hydrofluoric Acid must be stored in tightly closed containers, situated in a cool, ventilated area separate from reactive substances. Always use personal protective equipment, including gloves, goggles, and chemical-resistant gear, to avoid contact with skin and eyes during handling.

Q: What are the main industrial applications of Hydrofluoric Acid?

A: Hydrofluoric Acid is primarily used in the glass industry for etching and frosting, in electronics for manufacturing components, and for cleaning metals. Its reactivity with silica makes it essential for these specialized processes.

Q: When should Hydrofluoric Acid be used in the manufacturing process?

A: Hydrofluoric Acid is utilized during phases requiring precise etching, cleaning, or surface preparation, such as prior to coating or assembly in glass fabrication and electronic component manufacturing.

Q: Where is Hydrofluoric Acid commonly produced and supplied?

A: Hydrofluoric Acid is manufactured and supplied by specialty chemical companies worldwide, with India being a significant producer and exporter, adhering to industrial standards like ASTM D1209.

Q: What benefits does Hydrofluoric Acid provide in glass etching and electronics manufacturing?

A: Hydrofluoric Acid delivers effective and controlled etching, especially on glass and silica-based materials. This ensures precision patterns in electronic and glass products, improving both aesthetic and functional qualities.

Q: How is Hydrofluoric Acid processed for industrial use?

A: For industrial applications, Hydrofluoric Acid is synthesized from hydrogen fluoride and purified to ensure high quality (99.9% purity) as required for critical uses in electronics, glass, and metal processing industries.

Q: What is the difference between Hydrofluoric Acid and other acids used in industry?

A: Unlike many common acids, Hydrofluoric Acid uniquely dissolves silica and glass. Its strong corrosiveness and low pH (less than 1) set it apart, making it indispensable for specialized etching not achievable with other acids.

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