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Caustic Soda (Sodium Hydroxide) Flakes 99%

Name: Caustic Soda (Sodium Hydroxide) Flakes 99%
SKU: ESKLV3NS1313
Availability: InStock

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.

This item: Caustic Soda (Sodium Hydroxide) Flakes 99%

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Description

Key Properties:

Chemical Formula: NaOH
Purity: 99%
Appearance: White, flaky solid
Odor: Odorless
Solubility: Highly soluble in water, forming a strong alkaline solution
Density: ~2.13 g/cm³
Melting Point: 318°C (604°F)
Boiling Point: 1,388°C (2,530°F)

Common Uses:

Chemical Manufacturing: Used in the production of soaps, detergents, and dyes
Water Treatment: Adjusts pH levels and neutralizes acidic wastewater
Petroleum Industry: Helps in refining and processing crude oil
Paper & Pulp Industry: Used in paper bleaching and pulping processes
Textile Industry: Assists in fabric processing and dyeing
Food Processing: Used in food preparation (e.g., peeling fruits and vegetables, cocoa processing)

Safety & Handling:

Highly Corrosive: Can cause severe burns to skin and eyes
Health Hazards:
- Inhalation can cause respiratory irritation
- Contact with skin and eyes can cause severe damage
Personal Protective Equipment (PPE):
- Wear gloves, goggles, face shield, and protective clothing
Storage:
- Store in a dry, airtight container away from moisture and acids
- Keep in a well-ventilated area

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.