Hydrofluoric Acid
- CAS Number
- 7664-39-3
- HSN Code
- 28111100
- Molecular Formula
- HF
- Catalogue Number
- AL2466
- Purity
- 48%
- Molecular Weight
- 20.01 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Hydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue.
Also known as HF, Fluorhydric acid.
- Catalogue No.
- AL2466
- CAS Number
- 7664-39-3
- Molecular Formula
- HF
- Molecular Weight
- 20.01 g/mol
- HSN Code
- 28111100
- Grade
- Electronic Grade
- Product Form
- Substance
Melting point: -83.57 °C; Boiling point: 19.51 °C; 2.5 °C at 400 mm Hg; -13.2 °C at 200 mm Hg; -28.2 °C at 100 mm Hg;; Density: 1.002 at 0 °C/4 °C; Solubility: Miscible with water.
- Appearance
- Colorless gas, fumes in air
- Shelf Life
- 1 year
- Packaging
- Available in: 500 ml plastic bottle, 2.5 Lt plastic bottle
- Storage
- Cool. Well closed. Fireproof if in building. Ventilation along the floor. Separated from food and feedstuffs and incompatible materials. Store in an area without drain or sewer access. See Chemical Dangers.
1.1 — Product identifier
- Chemical Name
- Hydrofluoric Acid
- Catalogue No.
- AL2466
- Product form
- Substance
- CAS Number
- 7664-39-3
- EC Number
- 231-634-8
- Grade
- Electronic Grade
- EC Index Number
- 009-001-00-0
- Chemical Formula
- HF
- HSN Code
- 28111100
- Synonyms
- HF, Fluorhydric acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Etching agent in semiconductor manufacturing
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 2; Acute Tox. 1; Skin Corr. 1A
- Classification source
- ECHA C&L Inventory via PubChem CID 14917 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H310: Fatal in contact with skin; H314: Causes severe skin burns and eye damage; H330: Fatal if inhaled
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause severe skin burns and eye damage.
3.1 — Substance
- Name
- Hydrofluoric Acid
- CAS No.
- 7664-39-3
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Remove contaminated clothing. Rinse skin with water for at least 15 minutes. Seek medical attention immediately.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention immediately.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Burning sensation, redness, and pain on contact; respiratory distress if inhaled.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Hazardous decomposition products formed under fire conditions. - Hydrogen fluoride.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area. Wear appropriate protective equipment. Contain and neutralize spill with calcium carbonate or sodium bicarbonate.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Evacuate danger area! Consult an expert! Personal protection: gas-tight chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Ventilation. Remove vapour with fine water spray.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use only in a fume hood. Wear appropriate PPE including gloves, goggles, and face shield.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Cool. Well closed. Fireproof if in building. Ventilation along the floor. Separated from food and feedstuffs and incompatible materials. Store in an area without drain or sewer access. See Chemical Dangers.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Strong, irritating odor
- Odour threshold
- Not applicable
- pH value
- < 1
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- -83.57 °C
- Freezing point
- -83.6 °C
- Boiling point
- 19.51 °C; 2.5 °C at 400 mm Hg; -13.2 °C at 200 mm Hg; -28.2 °C at 100 mm Hg;
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 150 mmHg at 77 °F (partial pressure for 70% solution) (ICSC, 2024)
- Relative vapour density at 20°C
- 1.27 (Air = 1) at 34 °C
- Density
- 1.002 at 0 °C/4 °C
- Solubility
- Miscible with water
- Log Pow
- 0.23 (estimated)
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts violently with water, releasing heat and forming hydrofluoric acid.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance is a weak acid. Reacts violently with many compounds. This generates fire and explosion hazard.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong bases, metals, and oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomp it emits highly corrosive fumes of hydrogen fluoride.
11.1 — Information on toxicological effects
- Acute toxicity
- LC50 Rat inhalation 996 ppm/1 hr; LC50 Mouse inhalation 342 ppm/1 hr; LC50 Monkey inhalation 1774 ppm/1 hr
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1790
- UN-No. (IMDG)
- UN 1790
- UN-No. (IATA)
- UN 1790
- UN-No. (ADN)
- UN 1790
- UN-No. (RID)
- UN 1790
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Hydrofluoric Acid
- Proper Shipping Name (IMDG)
- Hydrofluoric Acid
- Proper Shipping Name (IATA)
- Hydrofluoric Acid
- Proper Shipping Name (ADN)
- Hydrofluoric Acid
- Proper Shipping Name (RID)
- Hydrofluoric Acid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8 (6.1)
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as a high-purity etchant in semiconductor wafer processing research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00810
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 20.01 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 48% | 48.2% |
| Density | 1.15 g/mL | 1.15 g/mL |
| pH | < 1 | < 1 |
| Moisture Content | < 0.5% | 0.3% |
| Related Substances | None detected | None detected |
The above product is expected to comply with Electronic Grade grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Electronic Grade | 48% | m.p. -83.57 °C; b.p. 19.51 °C; 2.5 °C at 400 mm Hg; -13.2 °C at 200 mm Hg; -28.2 °C at 100 mm Hg; | < 0.5% | Not applicable | None detected | Miscible with water |
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