Sodium alginate CAS#9005-38-3

Sodium alginate CAS#9005-38-3

Wide Source Availability‌:Sodium alginate is derived from abundant natural sources, ensuring consistent supply and accessibility for diverse applications.


Non-Toxicity‌:It is inherently safe and non-toxic, making it suitable for use in sensitive industries like medicine and food.


Easy Degradation‌:The material undergoes natural degradation, aligning with environmental sustainability goals.


Excellent Biocompatibility‌:Its compatibility with biological systems enhances its utility in medical and biomaterial applications.


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product description

Product Description of ‌Sodium alginate CAS#9005-38-3

Sodium alginate (CHONa) is mainly composed of the sodium salt of alginic acid and belongs to polysaccharide biopolymers. It features abundant natural sources, non-toxicity, biodegradability and good biocompatibility. It has high application value in many fields including medicine, food processing, packaging, textiles and biomaterials.


Product Application of Sodium alginate CAS#9005-38-3

Sodium alginate is a seaweed-derived gum and the sodium salt of alginic acid. It is soluble in both cold and hot water, and can form solutions with different viscosities. It forms irreversible gels when reacted with calcium salts or acids. It functions as a thickener, binder and gelling agent, widely used in dessert gels, puddings, sauces, toppings and edible films. In ice cream, it acts as a stabilizer to deliver creamy texture and prevent ice crystal formation.
Product Information

Parameters


Melting point

99 °C

density

1.0 g/cm3(Temp: 25 °C)

FEMA

2014 | ALGIN (LAMINARIA SPP. AND OTHER KELPS)

storage temp.

2-8°C

solubility

Slowly soluble in water forming a viscous, colloidal solution, practically insoluble in ethanol (96 per cent).

form

powder

color

White to Off-white

Odor

odorless

PH

6.0-8.0 (10mg/mL in H2O)

biological source

synthetic

Water Solubility

Soluble in water. Insoluble in alcohol, chloroform and ether.

Sensitive

Hygroscopic

Merck

14,241

Stability:

Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.

LogP

-2.88

CAS DataBase Reference

9005-38-3(CAS DataBase Reference)

EPA Substance Registry System

Sodium alginate (9005-38-3)


Safety Information


Hazard Codes

Xi

Risk Statements

36/37/38

Safety Statements

24/25-36-26

WGK Germany

1

RTECS

AZ5820000

F

3

TSCA

Yes

HS Code

39131000

Hazardous Substances Data

9005-38-3(Hazardous Substances Data)

Toxicity

LD50 oral in rat: > 5gm/kg


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FAQ
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Are you a manufacturer or a trader?

A:
We are a supply chain service provider rather than a single manufacturer. Instead of being tied to one specific factory, we have established deep partnerships with numerous high-quality domestic chemical enterprises that hold certifications such as ISO and REACH. This allows us to flexibly match the most suitable supply sources to your needs while independently conducting third-party quality inspections to ensure delivery quality and price competitiveness.
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How do your overseas warehouses operate, and what are the practical benefits?

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We maintain transit warehouses with standing inventory in Southeast Asia, the Middle East, and Eastern Europe.
For you: You can pick up goods directly from local warehouses without the need for full-container orders; delivery times are reduced from the standard 30–45 days to just 3–5 days.
Reduced inventory pressure: You can purchase small batches for trial and quality verification before scaling up orders, avoiding the need to tie up large amounts of capital upfront.
Emergency restocking: If your production line faces a sudden material shortage, we can urgently dispatch supplies from our regional warehouses to prevent production downtime.
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What is the Minimum Order Quantity (MOQ)?

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For standard products, the MOQ is typically one 20-foot container (approx. 16–20 tons) for direct shipments from China. However, for stock picked up from overseas warehouses, we support orders starting from 1 ton—ideal for sample testing or small-batch production. Specific MOQs depend on the product category and packaging type; please contact us for details.
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How do you ensure product quality?

A:
We implement a "three-level quality control" system:
Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
Before shipment: We commission international third-party agencies like SGS or Intertek to conduct random inspections, with costs covered by us (for long-term partners).
After arrival: If quality issues arise, we commit to unconditional negotiation regarding returns, exchanges, or compensation, and we assume full responsibility. All terms are stipulated in the contract.
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What payment methods do you accept? Do you offer credit terms?

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We accept T/T (Telegraphic Transfer), L/C (Letter of Credit at sight or usance), and D/P (Documents against Payment). For clients with a long-standing partnership and good credit standing, we offer partial credit terms (e.g., 30–60 days), subject to negotiation based on transaction history and due diligence results. Cash on Delivery (COD) is available for local customers ordering in-stock items from our overseas warehouses.
Q:

What is the typical delivery lead time?

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FOB (China Port): Goods are prepared and shipped within 7–15 working days after the contract is signed and the prepayment is received.
Overseas Warehouse Stock: Items are dispatched within 1–3 working days of order confirmation and payment; local delivery typically takes 2–5 days (depending on the country).
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Which trade terms do you offer? Do you support DDP (Delivered Duty Paid)?

A:
We are proficient in handling common terms such as FOB, CIF, CFR, and EXW. Additionally, for regions covered by our overseas warehouses, we offer DDP services (including duties and door-to-door delivery), allowing you to receive goods without the hassle of complex import customs clearance procedures. Please consult your sales manager for specific costs.
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How can I obtain samples? What are the costs?

A:
If stock is available at an overseas warehouse, we can provide 1–2 kg of samples for free; you only need to cover the local courier fees.
If shipping from China, we can arrange delivery via DHL or FedEx; samples are free, but you bear the international shipping costs. Once a clear intent to cooperate is established, these shipping costs can be deducted from your first order.
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Can the contract price be adjusted if product prices fluctuate?

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We offer a price protection mechanism:
For fixed-price contracts, we do not unilaterally raise prices due to market increases.
If you anticipate a market downturn, we can negotiate floating pricing—settling based on a benchmark price on the date of shipment or arrival—to flexibly manage fluctuations.
Q:

What does your after-sales service include?

A:
We provide full-lifecycle service:
Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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