Sodium Hydroxide
- CAS Number
- 1310-73-2
- HSN Code
- 28151190
- Molecular Formula
- NaOH
- Catalogue Number
- AL4158
- Purity
- 97%
- 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.
- AL4158
- CAS Number
- 1310-73-2
- Molecular Formula
- NaOH
- Molecular Weight
- 40.00 g/mol
- HSN Code
- 28151190
- Grade
- Extra Pure
- 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
- -
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container, 50 Kg fiber drum
- 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.
- AL4158
- Product form
- Substance
- CAS Number
- 1310-73-2
- EC Number
- 215-185-5
- Grade
- Extra Pure
- EC Index Number
- NaOH
- 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 various chemical processes and 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.
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.
- 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
- Burns to skin, eyes, and respiratory tract; may cause nausea and vomiting if ingested.
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. Avoid water contact.
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
- Handle with care, using appropriate personal protective equipment (gloves, goggles). 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
- 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 or mist 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)
- Not 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 explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts violently with acids and generates heat upon dissolution in 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, metals, and water.
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 widely used as a strong base reagent in general laboratory acid-base chemistry, making it essential for titrations and neutralization reactions. It is also utilized in the soap and detergent manufacturing industry, where it plays a crucial role in saponification processes. Additionally, sodium hydroxide is employed in the production of biodiesel, paper, textiles, and various chemical syntheses. Its ability to act as a powerful dehydrating agent makes it valuable in organic chemistry and industrial applications.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01383
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 40.00 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 97% min | 97.5% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | 1110 g/L at 20 °C | 1120 g/L at 20 °C |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | 97% | m.p. 323 °C; b.p. greater than 266 °F at 760 mmHg | <0.5% | <0.1% | None detected | 111 % |
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“From ordering to shipping, every course of action was smooth. Timely delivery.”
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