4,4′-Oxybis(benzenesulfonyl hydrazide)

zinc bis[p-toluenesulphinate]


4,4'-Oxybis(benzenesulfonyl hydrazide) paramete

CAS No.: 80-51-3
MF: C12H14N4O5S2
Place of Origin: Shandong
Purity: 99%
Model Number: 80-51-3
Appearance: white powder
Sample: Available
Certificate: ISO9001
Form: powder
Other Names: 80-51-3
EINECS No.: 201-286-1
Type: Industrial intermediate
Brand Name: guanlang
Application: foaming agent
moq: 1kg
express delivery: Sea land and air
COA: Availiable
Color: white


Test Specification Result
 Appearance  White powder White powder
Decomposition temperature  158-164℃  160.4℃
Gas production  125-140ml/g  128ml/g
Average granularity 5-15um 8.745um
Water  ≤1%  0.61%


1.when we use the product only, it can create tiny, high quality and uniform stomatal structure. The foam product is odourless, tasteless, non-pollution and colourstay, so it is very suitable for the foam products which are without smell and with light colour.

2.The product can apply to natural rubber (e.g. EPDM, SBR, CR, FKM, IIR, NBR), synthetic rubber (e.g. PVC, PE, PS, ABS) and thermoplastic products. It’s also used for making rubber-resin mixture.

3.The product has fine insulativity and can be used for making wire and cable.

4.In certain situations, it can be used as foaming agent as well as corss-lingking agent in curing mechanism.

5.This product is the most commonly used foaming agent. It can play its role with other foaming agent. As its wide use, OBSH is also known as universal foaming agent.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

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

* Sample testing support.

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

*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

*The fact of logistics information monitoring.

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

*Product has any problem can return.


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 is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
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: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: 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.



H228 : Flammable solid [Danger Flammable solids]

H302 : Harmful if swallowed [Warning Acute toxicity, oral]

H315: Causes skin irritation [Warning Skin corrosion/irritation]

H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]


Store in cool place.


Stability:≥ 2 years


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.


1kg or 5kgs/Aluminium bag


25 tons/20ft

Packing as your request, with photos before delivery.

Our professional forwarder could confirm goods arrives you without custom problems.

Delivery detail

   Having stock and can ship it out within 3 days when getting the payment.

4,4'-Oxybis(benzenesulfonyl hydrazide) picture

Packaging and shipping

Honor Certificate

Professional team