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Home > Inorganic Chemistry > Inorganic Bases > Sodium hydroxide for Sale > Caustic Soda Flakes 99% Sodium Hydroxide NaOH Industrial Grade
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Caustic Soda Flakes 99% Sodium Hydroxide NaOH Industrial Grade

636 Inquiries

Unit Price:

$450/MT FOB

Get Latest Price
CAS No.:

1310-73-2

Grade:

Industrial Grade

Port:

Durban

Packaging:

25 kg industrial bags

Price valid (until):

2026-09-15

Company Type:
Manufactory
Location:
South Africa
Qualification:
Main Products:

Ammonium Bicarbonate,Caustic Soda Flakes,Citric Acid,HEDP Liquid,LABSA,Magnesium Chroide

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


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    Caustic Soda Flakes 99% | Sodium Hydroxide NaOH | Industrial Grade 

    PHARRIS CHEMICAL SOLUTIONS supplies Caustic Soda Flakes 99% (Sodium Hydroxide / NaOH) for industrial, manufacturing, chemical processing and commercial applications. Our Caustic Soda Flakes are supplied in convenient export packaging and are available for bulk orders, container shipments and long-term supply contracts.

    PRODUCT DETAILS

    Product Name: Caustic Soda Flakes 99%
    Chemical Name: Sodium Hydroxide
    Common Name: Caustic Soda / Lye
    Chemical Formula: NaOH
    CAS No.: 1310-73-2
    EC No.: 215-185-5
    Molecular Weight: 40.00 g/mol
    Purity: 99% Min.
    Grade: Industrial Grade
    Physical Form: White flakes / solid flakes
    Appearance: White crystalline solid
    Packaging: 25 kg bags
    Sample: 1 kg sample available subject to arrangement
    Supplier: PHARRIS CHEMICAL SOLUTIONS
    Supply Type: Bulk / Wholesale / Export
    Price: USD 450/MT FOB South Africa, negotiable
    MOQ: 1 MT or as agreed with buyer
    Payment Terms: T/T or other mutually agreed terms
    Port: South African ports, subject to quotation and availability

    KEY PRODUCT FEATURES

    • 99% minimum Sodium Hydroxide
    • High-purity industrial-grade Caustic Soda Flakes
    • White crystalline flakes
    • Strong alkaline chemical
    • Suitable for industrial processing and manufacturing
    • 25 kg export packaging
    • 1 kg sample available for buyer evaluation
    • Bulk and container quantities available
    • Competitive pricing for commercial orders
    • Export documentation available according to shipment requirements

    MAIN APPLICATIONS

    Caustic Soda Flakes 99% is widely used in:

    • Chemical manufacturing
    • Soap and detergent production
    • Pulp and paper processing
    • Textile processing
    • Water and wastewater treatment
    • Petroleum and petrochemical processing
    • Alumina and mineral processing
    • Industrial cleaning and degreasing
    • pH adjustment and neutralization
    • Chemical processing
    • Manufacturing of sodium-based chemicals

    Sodium hydroxide is a widely used industrial chemical and is commonly supplied as a solid or concentrated solution.

    PACKAGING

    Standard: 25 kg industrial bags

    Sample: 1 kg sample packaging available for qualified buyers, subject to sample and shipping arrangements.

    For larger commercial requirements, customized packaging and bulk-loading arrangements can be discussed.

    QUALITY & DOCUMENTATION

    Available upon request and subject to the actual shipment:

    • Certificate of Analysis (COA)
    • Safety Data Sheet (SDS/MSDS)
    • Product Specification Sheet
    • Commercial Invoice
    • Packing List
    • Certificate of Origin
    • Shipping documents
    • Other export documentation as required

    Important: Only select certifications or documents that PHARRIS CHEMICAL SOLUTIONS can actually provide for the specific shipment.

    SHIPPING & EXPORT

    We welcome inquiries for:

    1 MT | 5 MT | 10 MT | 20 MT | 25 MT | 40 MT+

    Final shipping terms and freight costs can be quoted according to the buyer's destination port and order quantity.

    Available trade terms can include FOB, CFR/CNF or CIF, subject to destination and shipping arrangements.

    SAFETY INFORMATION

    Caustic Soda Flakes are a corrosive hazardous chemical and must be handled, stored and transported in accordance with applicable safety and dangerous-goods requirements.

    For solid sodium hydroxide, the applicable UN dangerous-goods designation is UN 1823 — SODIUM HYDROXIDE, SOLID, Class 8, Packing Group II.

    WHY BUY FROM PHARRIS CHEMICAL SOLUTIONS?

    PHARRIS CHEMICAL SOLUTIONS focuses on reliable industrial chemical supply for international buyers, distributors, wholesalers and manufacturers.

    We welcome:

    • Importers
    • Chemical distributors
    • Industrial users
    • Manufacturers
    • Wholesalers
    • Chemical traders
    • Water-treatment companies
    • Soap and detergent manufacturers
    • Long-term commercial buyers

    Request a quotation today for Caustic Soda Flakes 99% with your required quantity, packaging and destination port.


    Items Specifications






    ECHEMI Editorial Reference
    Colorless to white, odorless solid (flakes, beads, granular form).

    Basic Info
    Product Name:

    Sodium hydroxide

    Other Name:

    Sodium hydroxide (Na(OH));NaOH;Sodium hydroxide;Caustic soda;White caustic;Ascarite;Collo-Grillrein;Collo-Tapetta;Aetznatron;Soda,caustic;GR;GR (alkali reagent);NSC 135799;E 33;E 33 (degreasing agent);MO 67;FC 4370;StamperPrep;Tosoh Pearl;DL α;Promoter 3308B;ma-D 331;BO-200B;Caustic Solution 70TW;Reasol;S/4920/AP1;8012-01-9;1418731-95-9;2319645-49-1;2391974-94-8

    CAS No.:

    1310-73-2

    UN No.:

    1824

    Molecular Formula:

    HNaO

    InChIKeys:

    InChIKey=HEMHJVSKTPXQMS-UHFFFAOYSA-M

    Molecular Weight:

    39.99710

    Exact Mass:

    39.99250

    EC Number:

    923-604-4

    HScode:

    2815110000

    Categories:

    Inorganic Bases

    Characteristics
    PSA:

    23.06000

    XLogP3:

    -0.17680

    Appearance:

    Non white solid

    Density:

    2.13 g/cm3 @ Temp: 25 °C

    Melting Point:

    323 °C

    Boiling Point:

    1388 °C

    Flash Point:

    N/A

    Refractive Index:

    1.473-1.475

    Water Solubility:

    H2O: 418 g/L (0 °C), 1110 g/L (20 °C), 3370 g/L (100 °C);soluble in methanol and glycerol, negligible in ammonia, insoluble in ether

    Storage Conditions:

    Storage Room low temperature ventilation drying ,Separate storage of flammable, combustible, and acids

    Vapor Pressure:

    24.5mmHg at 25°C

    Vapor Density:

    <1 (vs air)

    Flammability characteristics:

    Noncombustible Solid, but when in contact with water may generate sufficient heat to ignite combustible materials.

    Odor:

    ... Odorless ...

    Taste:

    Detection - the minimum physical intensity detection by a subject where he or she is not required to identify the stimulus but just detect the existence of the stimulus - in water: 8.00X10-3 mol/L.

    PH:

    Strongly alkaline (1 % solution)

    Hazard Identification

    Classification of the substance or mixture

    Skin corrosion, Sub-category 1A

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H314 Causes severe skin burns and eye damage

    Precautionary statement(s)
    Prevention

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P264 Wash ... thoroughly after handling.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P363 Wash contaminated clothing before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P316 Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    NO contact with water. NO contact with incompatible materials: See Chemical Dangers Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    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.

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Ammonium Bicarbonate,Caustic Soda Flakes,Citric Acid,HEDP Liquid,LABSA,Magnesium Chroide

    Location:

    matata street, old cross rd, nyanga, western cape, South africa

    Total Annual Revenue:

    Less than $1 million

    Total Employees:

    11-50

    Year of Establishment:

    2026

    As a trusted wholesaler and manufacturer integrating R&D, production, and global sales, Pharris Chemical steadfastly adheres to the principle of “Sincerity to customers, integrity in quality” as the cornerstone of business operations. With full accountability for every product and service, we have established 10+ years of pharmaceutical intermediate expertise while expanding capabilities across 8 major chemical sectors.
    Main product:
    Pharris Chemical operates at the intersection of pharmaceutical innovation and bulk chemical manufacturing. With a proprietary R&D platform sustaining 330+ pharmaceutical intermediates across therapeutic domains — spanning anti-infectives, cardiovascular/cerebrovascular agents, and oncology compounds — we simultaneously deliver cross-industry solutions through eight core product lines: inorganic salts (industrial/electronic grade), daily chemical raw materials (surfactants, emulsifiers), organic synthesis precursors, agrochemical actives, GMP-standard pharmaceutical ingredients, standardized plant extracts, catalytic systems, and food-grade additives.

    Our vertically integrated model combines in-house production capabilities with a 4,000+ partner factory network, enabling cost-optimized procurement of 50,000+ chemicals under unified quality control. This supply chain synergy, enhanced by automated logistics and regulatory expertise (REACH/FDA/ISO documentation), reduces clients’ sourcing costs by 30-50% while ensuring compliance across 70+ export markets.

  • Inquiry History
    636 Inquiries
    Country Product Purchase Quantity Date Posted
    Russia

    Sodium Hydroxide Caustic Soda CAS 1310-73-2 Naoh

    5000 KG Jan 21, 2025
    India

    Caustic soda

    3500 KG May 17, 2024
    South Africa

    Sodium Hydroxide

    1.00 MT Sep 4, 2024
    India

    Sodium Hydroxide

    20 TON Dec 26, 2023
    Bangladesh

    Sodium Hydroxide

    1 20' Fcl Dec 31, 2024
    India

    Sodium Hydroxide

    1.00 20' Fcl Feb 22, 2024
    India

    Sodium Hydroxide

    1.00 20' Fcl Feb 19, 2024
    India

    Sodium Hydroxide

    500.00 KG Feb 22, 2024
    India

    Sodium Hydroxide

    10.00 MT Feb 19, 2024
    India

    Sodium Hydroxide

    15.00 MT Feb 29, 2024
    United Arab Emirates

    SODIUM HYDROXIDE

    120 KG Sep 30, 2023
    India

    Sodium Hydroxide

    1.00 20' Fcl Feb 1, 2024
    Thailand

    Sodium Hydroxide

    50.00 KG May 31, 2025
    India

    Sodium Hydroxide

    1.00 20' Fcl Dec 29, 2023
    India

    Sodium Hydroxide

    1.00 20' Fcl Jan 31, 2024
    India

    Sodium Hydroxide

    10.00 MT Feb 21, 2024
    India

    Sodium Hydroxide

    25.00 MT Feb 20, 2024
    India

    Sodium Hydroxide

    10.00 MT Feb 19, 2024
    Singapore

    Sodium Hydroxide

    1.00 MT Sep 14, 2024
    India

    Sodium Hydroxide

    1.00 20' Fcl Feb 8, 2024
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