Sodium propionate CAS 137-40-6

ECTOINE CAS 96702-03-3
4-Aminobutyric acid CAS 56-12-2

Sodium propionate paramete

CAS No.: 137-40-6
MF: C3H5NaO2
Place of Origin: Shandong, China
Brand Name: Lookchemical
Other Names: Napropion
EINECS No.: 205-290-4
Type: Preservatives
Model Number: HH-037-Sodium Propionate


Used as a preservative, used in cakes, waxberry and other mildew

Used as a binding agent in tanning to improve the alkali resistance of leather and the uniformity of tanning..

Used as a fungicide and mildew inhibitor

Fungicides, anti-mildew agents. Transaminase was determined. Food, fodder and anticorrosive and mildewproof agents.


Name of index Specifications
Content ≥ % 99.0
Iron ≤% 0.003
PH(10%) 7.0-9.0
Heavy Metals(as Pb)≤% 0.001
Loss on drying ≤% 1
Water insoluble ≤%



Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Every batch of products will be tested to ensureits quality.

* Sample testing support.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

* Any questions about the product can be consulted at any time.

*The fact of logistics information monitoring.

*Product has any problem can return.


Secure and discreet shipment. You have various choices of transportation methods.

1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What information should I let you know if I want to get a quotation
A :  Quality you require, eg. Assay, Purity, or single impurity -Quantity you need -Standard you want, such as USP, EP, JP etc.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
Q5: When will you deliver the goods
A :  For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
Q6: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Sodium propionate picture

Packaging and shipping