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Sodium Sulfate Anhydrous  CAS# 7757-82-6

Sodium Sulfate Anhydrous CAS# 7757-82-6

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product description

Item

Description

Product Name

Sodium Sulfate Anhydrous (Glauber's Salt, Thenardite)

CAS No.

7757-82-6

EINECS No.

231-820-9

Molecular Formula

Na₂SO₄

Molecular Weight

142.04

Appearance

White fine granules or powder; odorless, salty and slightly bitter taste

Main Grades

Industrial Grade, Pharmaceutical Grade, Reagent Grade, Feed Grade

Physical & Chemical Properties

Easily soluble in water, aqueous solution neutral (pH 6-8), insoluble in ethanol. Density approx. 2.68 g/cm³, melting point 884°C, boiling point 1429°C. Effloresces in dry air; hydrates to form sodium sulfate decahydrate upon contact with water.

Product Features

High purity (≥98% or ≥99%), good flowability, low caking tendency, stable chemical properties, provides interfacial tension reduction and filling function.

Main Applications

Detergent / Laundry Powder : Key filler (20%-40% content), improves flowability, reduces dust, adjusts density.Paper Industry : Used in kraft pulping process, partially replaces caustic soda, neutralizes alkaline waste liquor.Glass Manufacturing : Acts as a fining agent, eliminates bubbles, improves transparency.Dyeing / Textile : Reducing assistant for sulfur dyes, cotton boiling agent, accelerator for direct dyeing.Chemical Raw Material : Manufacture of sodium sulfide, sodium silicate (water glass), ammonium sulfate, etc.Leather / Tanning : Used in chrome tanning and as tanning auxiliary.Pharmaceutical / Veterinary : Laxative (as decahydrate), excipient for antiallergic drugs.Feed Additive : Carrier and diluent for trace minerals.Others : Water treatment, cooling agents, antifreeze, metal smelting, etc.

Packaging

25 kg/bag (PP woven bag with PE liner or paper-plastic composite bag), 50 kg/bag, 1000 kg jumbo bag; custom packaging available upon request.

Storage Condition

Store in a cool, dry, well-ventilated warehouse, protected from moisture and rain; avoid mixing with acids and ammonium salts; keep sealed to prevent efflorescence.

Transportation Requirements

Not dangerous goods; transport as general cargo. Protect from moisture, rain and sunlight; handle gently.

Quality Standards

Industrial Grade: GB/T 6009-2014 (Class I premium ≥99.0%, Class II ≥97.0%), specifications include Na₂SO₄, chlorides, iron, moisture, whiteness, water insolubles, etc.Pharmaceutical Grade: Chinese Pharmacopoeia or USP/EP standardsFeed Grade: HG 2932-1999 (Na₂SO₄ ≥99.0%, As ≤2 mg/kg, heavy metals ≤10 mg/kg)

Minimum Order Quantity (MOQ)

Regular MOQ: 20 MT (1×20'FCL); trial order: 5-10 MT available

Delivery Time

Regular order: 7-15 working days; custom packaging/special specifications: 15-25 working days

Payment Terms

T/T (30% deposit, 70% against copy of B/L), sight L/C; FOB, CFR, CIF terms supported


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FAQ

1. What are Jinyu Chemical primary product lines?
Our company specializes in petrochemicals (methanol, styrene, ethylene glycol), plastic resins (PP, PE, PVC, ABS), fine chemicals (pharmaceutical/pesticide intermediates, additives, solvents), chemical fiber raw materials (PTA, polyester filament, polyester staple fiber), inorganic chemicals (soda ash, caustic soda, titanium dioxide), as well as rubber, paraffin wax, and other products. We offer one-stop procurement services covering a wide range of categories.


2. Are you a trading company or a manufacturer?
We are a professional chemical trading company specializing in international trade. We have established long-term strategic partnerships with numerous high-quality domestic manufacturers to ensure a stable supply of goods and competitive pricing, while also providing comprehensive export services throughout the entire process.


3. Can you provide third-party inspection reports?
Yes. We provide a Certificate of Analysis (COA) with every shipment. Additionally, upon a client's request, we can arrange for inspections by third-party agencies such as SGS, BV, or ITS; the associated costs and details are negotiable.


4. What is the Minimum Order Quantity (MOQ)?
For plastic resins and chemical fiber raw materials, the MOQ typically starts at 1–5 tons, and we welcome small-batch trial orders. For liquid chemicals, bulk shipments start at 20 tons, while drummed shipments can be consolidated (LCL). For fine chemicals, the MOQ is determined on a case-by-case basis depending on the specific product.


5. From which ports do you primarily ship?
Our company is located in close proximity to the Port of Tianjin. We can also arrange shipments from other major domestic ports—such as Qingdao or Shanghai—to meet our clients' specific requirements.


6. Can you handle the export of hazardous materials?
Yes. Our company holds a valid license for the operation of hazardous chemicals. We are well-versed in the procedures for hazardous material declaration, obtaining hazardous packaging certificates, and booking cargo space, thereby ensuring full compliance with all export regulations.


7. What payment methods do you accept?
Our standard payment terms are T/T (30% upfront deposit, with the remaining 70% payable upon presentation of a copy of the Bill of Lading) or Sight L/C (Letter of Credit). For small-batch sample orders, we also accept Western Union. For long-term partners—subject to a credit assessment—we may negotiate deferred L/C or Open Account (OA) terms.


8. What is your typical lead time?
For standard products, the lead time is typically 7–15 business days. For customized products or those with special specifications, it is 15–25 business days. For in-stock items, shipments can be dispatched within 3–7 business days after receipt of payment.

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