1. Product Basic Information
वस्तु | Specification & विवरण |
|---|---|
प्रोडक्ट का नाम | Industrial Sodium Hydroxide / Caustic Soda Flakes |
रासायनिक सूत्र | NaOH |
CAS संख्या. | 1310-73-2 |
EC Number | 215-185-5 |
UN Number | 1823 (Solid Caustic Soda) |
एचएस कोड | 2815110000 |
कार्यकारी मानक | जीबी/टी 209-2018 (Latest National Standard for Industrial Sodium Hydroxide) |
उपस्थिति | White translucent flake solid, odorless, easy to deliquesce in air, strong hygroscopicity |
घुलनशीलता | पानी में आसानी से घुलनशील (releasing massive heat), soluble in ethanol and glycerol, insoluble in acetone and ether |
2. Product Purity & Core Content Index
We supply two mainstream industrial grades for global clients: 99% High Purity Grade (hot sale for most industries) and 98.5% Standard Grade (cost-effective for general use). All products meet international industrial chemical standards, with stable impurity control for long-term bulk export.
2.1 Main Content Specification
- NaOH Assay (Main Content): ≥99.0% (High Grade) / ≥98.5% (Standard Grade)
- Moisture: ≤0.5%
- Product Feature: Low impurity, high alkalinity, fast dissolution rate, no insoluble residue
3. सीओए (Certificate of Analysis) Full Test Report (Batch Standard Data)
This is the standard COA data for our regular export batch. We can provide original official signed & stamped COA matching each shipment batch for customs clearance, buyer inspection and third-party testing.
परीक्षण आइटम | Standard Requirement (99% Grade) | वास्तविक परीक्षण परिणाम | परिक्षण विधि |
|---|---|---|---|
Sodium Hydroxide (NaOH) | ≥99.00% | 99.21% | जीबी/टी 4348.1 |
सोडियम कार्बोनेट (Na₂CO₃) | ≤0.80% | 0.32% | जीबी/टी 7698 |
Sodium Chloride (NaCl) | ≤0.05% | 0.03% | जीबी/टी 4348.2 |
Ferric Oxide (Fe₂O₃) | ≤0.008% | 0.004% | जीबी/टी 4348.3 |
Silicon Dioxide (SiO₂) | ≤0.04% | 0.02% | Internal Standard Test |
उपस्थिति | White flake, no foreign impurity | योग्य | Visual Inspection |
Test Conclusion | जीबी/टी के अनुरूप 209-2018 Industrial Sodium Hydroxide Standard, Qualified for Export | ||
4. मुख्य औद्योगिक अनुप्रयोग
Caustic soda is one of the most essential inorganic alkaline chemicals, widely used in global industrial manufacturing, environmental protection and daily chemical industries. We classify applications by industry for buyers’ quick reference:
4.1 जल उपचार उद्योग (Largest Application)
- PH value adjustment for domestic sewage, industrial wastewater and circulating water
- Heavy metal precipitation, neutralization of acidic wastewater
- Desulfurization and denitrification for factory flue gas treatment
4.2 Paper Making & Pulp Industry
- Delignification and bleaching process for wood pulp and waste paper pulp
- Improve paper toughness and whiteness, reduce production cost
4.3 Textile & Dyeing Industry
- Mercerizing treatment for cotton fabric to enhance fabric gloss and tensile strength
- Dyeing auxiliaries, degreasing and impurity removal for textile raw materials
4.4 Petroleum & Chemical Industry
- Petroleum refining: remove sulfur compounds and acidic impurities from crude oil
- Raw material for synthetic detergent, साबुन, pesticide and other chemical products
- Neutralizer for chemical reaction, catalyst auxiliary
4.5 Metallurgy & Aluminum Industry
- Alumina production and aluminum smelting process
- Metal surface cleaning, rust removal and degreasing for steel and hardware
4.6 Other Industries
- Food processing auxiliary (food grade available separately, not for direct food contact)
- Leather dehairing and degreasing process
- Construction industry: concrete additive, ground hardener preparation
5. पैकेजिंग, Shipment & Storage Information
5.1 Standard Export Packaging
- 25KG/Bag: Inner PE plastic bag + outer woven bag (most popular for bulk sea shipment)
- 200KG/Iron Drum: Sealed galvanized iron drum, suitable for long-distance ocean transportation and moisture-proof requirement
- Custom packaging is acceptable according to buyers’ requirements
5.2 Loading Capacity
- 25KG bag: 27MT / 20GP container
- 200KG drum: 20MT / 20GP container
5.3 भंडारण & Transportation Notes
- सुखाकर भण्डारित करें, ventilated and waterproof warehouse; keep away from moisture, rain and direct sunlight
- Strictly forbidden to mix with acid substances, organic materials and food chemicals during transportation
- This product is corrosive hazardous goods; professional hazardous goods logistics required
6. Safety Warning & Handling Instruction
Hazard Characteristic: Strong corrosive alkaline chemical, can cause severe burns to skin, eyes and respiratory tract.
Emergency Treatment:
- Skin contact: Rinse with plenty of clean water for at least 15 minutes immediately
- Eye contact: Flush eyes with running water continuously and seek medical treatment quickly
- Inhalation: Move to fresh air area immediately; seek medical help if breathing difficulty occurs
PPE Requirement: Wear chemical resistant gloves, goggles and protective clothing during operation
7. Our Service Advantage for Global Buyers
- Batch-by-batch official COA, एमएसडीएस, वाणिज्यिक चालान, packing list provided for full customs clearance
- Stable supply capacity: 5000MT monthly output, support long-term contract order
- Third-party inspection (SGS, BV) acceptable before shipment
- Professional hazardous goods export document service, one-stop shipping arrangement
tira –
The service is very reassuring!