
Caustic Soda (Sodium Hydroxide) Flakes 99%
Caustic Soda Flakes (Sodium Hydroxide, NaOH) 99% is a highly alkaline, white, crystalline solid that is widely used in industrial and chemical processes. It is highly soluble in water, generating heat when dissolved, and is also soluble in ethanol and methanol.
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Borax Decahydrate is a white crystalline inorganic compound widely used as a buffering agent, cleaner, pH stabilizer, flux, and multifunctional additive in industrial, household, and laboratory applications.
Chemical Name:
Sodium Tetraborate Decahydrate
Chemical Formula:
Na₂B₄O₇·10H₂O
CAS Number:
1303-96-4
Appearance:
White crystalline granules or powder; odorless.
Key Properties:
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Chemical Formula: NaOH
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Purity: 99%
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Appearance: White, flaky solid
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Odor: Odorless
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Solubility: Highly soluble in water, forming a strong alkaline solution
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Density: ~2.13 g/cm³
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Melting Point: 318°C (604°F)
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Boiling Point: 1,388°C (2,530°F)
Common Uses:
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Chemical Manufacturing: Used in the production of soaps, detergents, and dyes
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Water Treatment: Adjusts pH levels and neutralizes acidic wastewater
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Petroleum Industry: Helps in refining and processing crude oil
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Paper & Pulp Industry: Used in paper bleaching and pulping processes
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Textile Industry: Assists in fabric processing and dyeing
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Food Processing: Used in food preparation (e.g., peeling fruits and vegetables, cocoa processing)
Safety & Handling:
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Highly Corrosive: Can cause severe burns to skin and eyes
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Health Hazards:
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Inhalation can cause respiratory irritation
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Contact with skin and eyes can cause severe damage
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Personal Protective Equipment (PPE):
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Wear gloves, goggles, face shield, and protective clothing
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Storage:
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Store in a dry, airtight container away from moisture and acids
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Keep in a well-ventilated area
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Section 1: Identification
- Product Name: Caustic Soda (Sodium Hydroxide) Flakes 99%
- Synonyms: Sodium hydroxide, Lye, NaOH
- CAS Number: 1310-73-2
- Intended Use: Industrial applications, chemical manufacturing, pH adjustment
Section 2: Hazard(s) Identification
- Hazard Classification:
- Corrosive to metals: Category 1
- Skin corrosion/irritation: Category 1A
- Serious eye damage/eye irritation: Category 1
- Signal Word: Danger
- Hazard Statements:
- H290: May be corrosive to metals
- H314: Causes severe skin burns and eye damage
- Precautionary Statements:
- P280: Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
- P310: Immediately call a POISON CENTER or doctor/physician
Section 3: Composition/Information on Ingredients
- Chemical Composition:
- Sodium Hydroxide (NaOH): 99% (CAS Number: 1310-73-2)
- Impurities: May contain minor impurities not relevant for classification
Section 4: First-Aid Measures
- Inhalation: Move to fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration. Seek medical attention.
- Skin Contact: Remove contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes. Seek medical attention.
- Eye Contact: Rinse cautiously with water for at least 15 minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek immediate medical attention.
- Ingestion: Do NOT induce vomiting. Rinse mouth with water. Seek immediate medical attention.
Section 5: Fire-Fighting Measures
- Suitable Extinguishing Media: Use extinguishing media appropriate for the surrounding fire.
- Specific Hazards: Reacts with water to produce heat. Contact with metals may evolve flammable hydrogen gas.
- Protective Equipment: Firefighters should wear self-contained breathing apparatus (SCBA) and full protective clothing.
Section 6: Accidental Release Measures
- Personal Precautions: Use personal protective equipment. Avoid contact with skin and eyes. Ensure adequate ventilation. Evacuate personnel to safe areas.
- Environmental Precautions: Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
- Clean-up Methods: Contain and collect spillage with non-combustible absorbent material (e.g., sand, earth, diatomaceous earth, vermiculite). Sweep up and shovel into suitable containers for disposal.
Section 7: Handling and Storage
- Handling: Avoid contact with skin, eyes, and clothing. Avoid breathing dust. Use only in well-ventilated areas. Wear appropriate personal protective equipment.
- Storage: Store in a cool, dry, well-ventilated place. Keep container tightly closed. Store away from incompatible materials such as acids, organic materials, and metals.
Section 8: Exposure Controls/Personal Protection
- Exposure Limits:
- OSHA PEL: 2 mg/m³ (TWA)
- ACGIH TLV: 2 mg/m³ (Ceiling)
- Engineering Controls: Ensure adequate ventilation, especially in confined areas. Use local exhaust ventilation if necessary.
- Personal Protective Equipment (PPE):
- Respiratory Protection: Use NIOSH-approved respirators if ventilation is inadequate.
- Hand Protection: Chemical-resistant gloves.
- Eye Protection: Safety goggles or face shield.
- Skin and Body Protection: Long-sleeved clothing, lab coat, or suitable protective clothing.
Section 9: Physical and Chemical Properties
- Appearance: White flakes
- Odor: Odorless
- Odor Threshold: Not applicable
- pH: 13.5 (0.05 M solution)
- Melting Point/Freezing Point: 318°C (604°F)
- Boiling Point/Range: 1,390°C (2,534°F)
- Flash Point: Not applicable
- Evaporation Rate: Not applicable
- Flammability: Non-flammable
- Upper/Lower Flammability or Explosive Limits: Not applicable
- Vapor Pressure: 0 mmHg at 20°C
- Vapor Density: Not applicable
- Relative Density: 2.13 g/cm³
- Solubility: Soluble in water
- Partition Coefficient (n-octanol/water): Not available
- Auto-ignition Temperature: Not applicable
- Decomposition Temperature: Not available
- Viscosity: Not applicable
Section 10: Stability and Reactivity
- Reactivity: Reacts with water to produce heat.
- Chemical Stability: Stable under recommended storage conditions.
- Possibility of Hazardous Reactions: Reacts violently with acids. Contact with metals may produce hydrogen gas.
- Conditions to Avoid: Moisture, excessive heat.
- Incompatible Materials: Acids, organic materials, metals.
- Hazardous Decomposition Products: Sodium oxides.
Section 11: Toxicological Information
- Acute Toxicity:
- Oral LD50: 140-340 mg/kg (rat)
- Skin Corrosion/Irritation: Causes severe burns.
- Serious Eye Damage/Irritation: Causes severe eye damage.
- Respiratory or Skin Sensitization: Not classified as a sensitizer.
- Germ Cell Mutagenicity: Not classified.
- Carcinogenicity: Not classified.
- Reproductive Toxicity: Not classified.
- Specific Target Organ Toxicity – Single Exposure: Not classified.
- Specific Target Organ Toxicity – Repeated Exposure: Not classified.
- Aspiration Hazard: Not classified.
Section 12: Ecological Information
- Ecotoxicity: Harmful to aquatic life.
- Persistence and Degradability: Readily biodegradable.
- Bioaccumulative Potential: Not expected to bioaccumulate.
- Mobility in Soil: High mobility in soil.
- Other Adverse Effects: None known.
Section 13: Disposal Considerations
- Waste Treatment Methods: Dispose of contents/container in accordance with local/regional/national/international regulations. Do not discharge into drains or the environment.
Section 14: Transport Information
- UN Number: UN1823
- UN Proper Shipping Name: Sodium hydroxide, solid
- Transport Hazard Class(es): 8 (Corrosive)
- Packing Group: II
- Environmental Hazards: Not regulated
- Special Precautions for User: None
Section 15: Regulatory Information
- TSCA Inventory: All components are listed or exempt.
- SARA 302/304: Not regulated
- SARA 311/312: Acute health hazard
- SARA 313: Not regulated
- California Proposition 65: Not listed.
| Weight | N/A |
|---|---|
| size | 5KG, 25KG |
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