Sodium Hydroxide
- CAS Number
- 1310-73-2
- HSN Code
- 28151190
- Molecular Formula
- NaOH
- Catalogue Number
- AL4159
- Purity
- 98%
- 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 solution appears as a colorless liquid. More dense than water.
Also known as Caustic soda, Lye.
- Catalogue No.
- AL4159
- CAS Number
- 1310-73-2
- Molecular Formula
- NaOH
- Molecular Weight
- 40.00 g/mol
- HSN Code
- 28151190
- Grade
- AR grade
- Product Form
- Substance
Melting point: 323 °C; Boiling point: greater than 266 °F at 760 mmHg; Density: 2.13 g/cu cm 25 °C; Solubility: 111 %.
- Appearance
- White, orthogonal crystals
- Shelf Life
- No specific shelf life; store in a cool, dry place.
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container, 50 kg plastic container
- Storage
- Separated from food and feedstuffs, strong acids and metals. Store only in original container. Dry. Well closed. Store in an area without drain or sewer access.
1.1 — Product identifier
- Chemical Name
- Sodium Hydroxide
- Catalogue No.
- AL4159
- Product form
- Substance
- CAS Number
- 1310-73-2
- EC Number
- 215-185-5
- Grade
- AR grade
- EC Index Number
- Na
- Chemical Formula
- NaOH
- HSN Code
- 28151190
- Synonyms
- Caustic soda, Lye
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 chemical reactions and analytical applications.
- 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
- Skin Corr. 1A
- Classification source
- ECHA C&L Inventory via PubChem CID 14798 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive
- Signal word
- Danger
- Hazard statements
- H314: Causes severe skin burns and eye damage
2.3 — Other hazards
- Other hazards
- Corrosive to metals; may cause severe burns to skin and eyes.
3.1 — Substance
- Name
- Sodium Hydroxide
- CAS No.
- 1310-73-2
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
- Flush with water, then rinse with dilute vinegar (acetic acid).
- First-aid measures after eye contact
- Flush with water at once for at least 15 min.
- First-aid measures after ingestion
- Give water and milk. Do NOT induce vomiting.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Severe burns, irritation, and damage to skin, eyes, and respiratory tract.
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 produce heat and caustic solutions.
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 dilute acid. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into covered plastic containers. Carefully collect remainder.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Wear appropriate personal protective equipment, including gloves and eye protection. Avoid inhalation of dust.
- 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
- Separated from food and feedstuffs, strong acids and metals. Store only in original container. Dry. Well closed. Store in an area without drain or sewer access.
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 dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 13 (1M solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 323 °C
- Freezing point
- Not applicable
- Boiling point
- greater than 266 °F at 760 mmHg
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- VP: 1 Pa at 513 °C; 10 Pa at 605 °C; 100 Pa at 722 °C; 1kPa at 874 °C; 10 kPa at 1080 °C; 100 kPa at 1377 °C
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.13 g/cu cm 25 °C
- Solubility
- 111 %
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts violently with acids and generates heat upon contact with water.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The solution in water is a strong base. It reacts violently with acid and is corrosive to metals such as aluminium, tin, lead and zinc. This produces a combustible/explosive gas (hydrogen).
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Acids, organic materials, and metals.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits toxic fumes of sodium oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 140-340 mg/kg; LD50 Rabbit dermal 1,350 mg/kg; LD50 Mouse ip 40 mg/kg
- 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)
- 1823
- UN-No. (IMDG)
- 1823
- UN-No. (IATA)
- 1823
- UN-No. (ADN)
- 1823
- UN-No. (RID)
- 1823
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium hydroxide, solid
- Proper Shipping Name (IMDG)
- Sodium hydroxide, solid
- Proper Shipping Name (IATA)
- Sodium hydroxide, solid
- Proper Shipping Name (ADN)
- Sodium hydroxide, solid
- Proper Shipping Name (RID)
- Sodium hydroxide, solid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
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
Sodium hydroxide is extensively used in various industries, including chemical manufacturing, pharmaceuticals, and food processing. In laboratories, it serves as an analytical-grade strong base reagent for titrations and pH adjustments. It is also employed in the production of biodiesel, as a catalyst in transesterification reactions. Additionally, sodium hydroxide is used in the manufacture of soaps and detergents, as well as in the treatment of wastewater to neutralize acidic effluents.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01384
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 40.00 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 98% min | 98.5% |
| Moisture Content | <1% | 0.5% |
| Residue on Ignition | <0.5% | 0.3% |
| pH of 1M solution | 13 | 13.1 |
| Solubility in water | Soluble | Fully soluble |
The above product is expected to comply with AR grade grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR grade | 98% | m.p. 323 °C; b.p. greater than 266 °F at 760 mmHg | <1% | <0.5% | None detected | 111 % |
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