Sodium Hydroxide Solution
- CAS Number
- -
- HSN Code
- 38229090
- Molecular Formula
- NaOH
- Catalogue Number
- AL1385F
- Purity
- 99.5% min
- Molecular Weight
- 40.00 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium Hydroxide 0.25M (0.25N) Standardized Solution is a highly pure and certified aqueous solution of sodium hydroxide, specifically prepared for use in precise volumetric analysis. This solution is essential in various analytical chemistry applications, particularly in titrations where accurate measurements of base concentration are required. The standardized nature of this solution ensures that it meets rigorous quality control standards, making it suitable for laboratory and industrial use. Its molecular formula is NaOH, and it has a molecular weight of 40.00 g/mol, which is critical for stoichiometric calculations in chemical reactions.
Also known as Lye, Caustic Soda.
- Catalogue No.
- AL1385F
- CAS Number
- -
- Molecular Formula
- NaOH
- Molecular Weight
- 40.00 g/mol
- HSN Code
- 38229090
- Grade
- 0.25M (0.25N)
- Product Form
- Mixture
The solution is a clear, colorless liquid with a density of approximately 1.01 g/mL. It has a boiling point of around 100 °C (212 °F) and a freezing point of 0 °C (32 °F). Sodium hydroxide is highly soluble in water, with solubility exceeding 1000 g/L at 20 °C. The solution has a pH value of approximately 13, indicating its strong basicity. It is important to note that sodium hydroxide solutions are hygroscopic and can absorb moisture from the air, which may affect concentration over time if not stored properly.
- Appearance
- Clear, colorless liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL and 1 L bottles
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Sodium Hydroxide Solution
- Catalogue No.
- AL1385F
- Product form
- Mixture
- CAS Number
- Not applicable
- EC Number
- 215-185-5
- Grade
- 0.25M (0.25N)
- EC Index Number
- Na
- Chemical Formula
- NaOH
- HSN Code
- 38229090
- Synonyms
- Lye, Caustic Soda
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a strong base in various chemical reactions and titrations.
- 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
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause severe skin burns and eye damage.
3.1 — Substance
- Name
- Sodium Hydroxide Solution
- CAS No.
- Not applicable
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash skin thoroughly with soap and water. Remove contaminated clothing. Seek medical attention if irritation develops.
- 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
- Rinse mouth. Do NOT induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Burning sensation, redness, and pain in contact areas; 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
- Non-flammable, but may react with water to release heat.
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
- Contain spill and neutralize with acid. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Absorb spill with inert material and dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Wear protective gloves, eye protection, and face protection. Avoid contact with skin and eyes.
- 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
- Store in a cool, dry place, in a tightly closed container, away from incompatible materials.
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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- ~13
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- Not applicable
- Freezing point
- 0 °C (32 °F)
- Boiling point
- 100 °C (212 °F)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.01 g/mL
- Solubility
- Soluble in water
- Log Pow
- Not applicable
- 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 acids and is exothermic when mixed with water.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Acids, metals, and organic materials.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Not classified as acutely toxic; however, it can cause severe burns.
- Skin corrosion/irritation
- Causes severe skin burns.
- Serious eye damage/irritation
- Causes serious eye damage.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
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 1824
- UN-No. (IMDG)
- UN 1824
- UN-No. (IATA)
- UN 1824
- UN-No. (ADN)
- UN 1824
- UN-No. (RID)
- UN 1824
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium Hydroxide Solution
- Proper Shipping Name (IMDG)
- Sodium Hydroxide Solution
- Proper Shipping Name (IATA)
- Sodium Hydroxide Solution
- Proper Shipping Name (ADN)
- Sodium Hydroxide Solution
- Proper Shipping Name (RID)
- Sodium Hydroxide Solution
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
Sodium Hydroxide 0.25M (0.25N) Standardized Solution is primarily used as a certified standardized base titrant in volumetric analysis, particularly in acid-base titrations. It is widely utilized in laboratories for the determination of acidity in various samples, including food and beverages, as well as in the analysis of water quality. Additionally, this solution is employed in the pharmaceutical industry for the preparation of various formulations and in the chemical industry for neutralization processes. Its precise concentration makes it an invaluable tool for chemists and quality control analysts.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1385F
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 40.00 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (NaOH) | 99.0% - 100.5% | 99.8% |
| pH | 12.5 - 13.5 | 13.0 |
| Density | 1.00 - 1.02 g/mL | 1.01 g/mL |
| Moisture Content | 0.5% max | 0.3% |
| Residue on Ignition | 0.1% max | 0.05% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 0.25M (0.25N) grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 0.25M (0.25N) | 99.5% min | Not applicable | 0.5% max | 0.1% max | None detected | Completely soluble in water |
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