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Dibenzothiazole Disulfide (MBTS)

Thiazole vulcanization accelerator for selected natural and synthetic rubber compounds.

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ZXCHEM China supplier Dibenzothiazole Disulfide (MBTS), CAS 120-78-5, White to light-yellow powder or granules
PRODUCT IDENTIFICATION

Dibenzothiazole Disulfide (MBTS) at a Glance

ZXCHEM is a dibenzothiazole disulfide (MBTS) supplier and exporter in China. Dibenzothiazole Disulfide (MBTS) (CAS 120-78-5) is supplied as white to light-yellow powder or granules with Initial melting point ≥166°C. Thiazole vulcanization accelerator for selected natural and synthetic rubber compounds.

CAS No.120-78-5
Synonyms2,2′-Dithiobis(benzothiazole)
Assay / GradeInitial melting point ≥166°C
EC / EINECS204-424-9
HS Code293420
Dangerous Goods ClassClass 9 — Environmentally hazardous solid
AppearanceWhite to light-yellow powder or granules
MF (component)C14H8N2S4
MW (component)332.49 g/mol

Request a free sample for testing.

Standard lead time is approximately 14 days from order confirmation.

TECHNICAL DATA

Dibenzothiazole Disulfide (MBTS) Specifications

ParameterSpecification
Appearance
White to light-yellow powder or granules
Initial melting point
≥166 °C
Heating loss
≤0.40 %
Ash
≤0.50 %
Residue on 150 µm sieve
≤0.10 %

Supply specifications follow the stated ZXCHEM TDS. Select the grade against the intended process and evaluate the complete formulation.

Commercial Information

OriginChina
MOQ1,000 kg
Packing25 kg woven bags with inner liners
Lead timeApproximately 14 days from order confirmation
SamplesContact us for free samples

Storage & Shipping

Storage Conditions

Keep sealed in a cool, dry, ventilated warehouse. Protect from moisture, heat and contamination; store away from incompatible chemicals.

Packaging Integrity

Inspect bag seams, liners and pallet wrapping before unloading. Protect from rain and punctures, retain lot identification and reseal opened liners promptly.

Packaging

25 kg woven bags with inner liners

Handling & Protection

Use enclosed powder feeding or local extraction. Wear suitable protective gloves, eye protection and work clothing; avoid dust inhalation and direct contact. Provide controls for fumes during hot processing.

What Is Dibenzothiazole Disulfide (MBTS)?

MBTS is dibenzothiazole disulfide, a thiazole-family rubber accelerator identified by CAS 120-78-5. It is used in selected sulfur-vulcanization packages for natural rubber and synthetic elastomers. The disulfide differs from mercaptobenzothiazole, often abbreviated MBT.

The TDS sets initial melting point ≥166°C, heating loss ≤0.40%, ash ≤0.50% and residue on a 150 µm sieve ≤0.10%. The melting-point value is a temperature, correcting the percentage unit shown in the old web table. Powder and granule handling should be matched to the mixer and feeding system.

For NR, SBR and related elastomer compounds, evaluate MBTS with sulfur, activators and the complete accelerator system. Compare scorch time, cure rate, crosslink development and processing safety using rheometer and application trials. Determine addition levels from the actual recipe rather than a universal dosage.

Tires, molded rubber and industrial elastomer articles require evaluation of mechanical properties and service ageing after cure. Protect powder from moisture and contamination. For sea and air shipment the matched reference identifies Class 9, UN 3077; prevent skin exposure and environmental release.

See related plastics and rubber chemicals in our catalog.

FORMULATION

Dibenzothiazole Disulfide (MBTS) Applications

Sulfur vulcanization packages

Thiazole accelerator for selected natural rubber and synthetic elastomers. Compare scorch safety, cure rate and the complete sulfur package.

Tires and molded rubber

Ingredient for selected tire and molded-rubber development. Test mixing dispersion, cure response, mechanical properties and ageing.

Industrial elastomer articles

Accelerator for selected seals, hoses and technical rubber. Evaluate processing time, cured modulus and service-condition retention.

WHY ZXCHEM

Why Source Dibenzothiazole Disulfide (MBTS) from ZXCHEM

Combined chemical orders

Source several chemical raw materials through one ZXCHEM contact. We coordinate product selection, quotations and suitable consolidated shipments so you can plan the order with one team.

Dedicated R&D Laboratory

Discuss specifications, sample results and application questions with our technical team. Our dedicated R&D laboratory supports product testing and helps clarify material selection.

Experienced Chemical Logistics

ZXCHEM has more than 30 years of experience in dangerous-goods transportation. We coordinate suitable shipments through logistics companies in which we hold equity interests in Qingdao, Shanghai, Guangzhou and Tianjin.

Dedicated Purchasing Support

Your account manager follows the order from quotation and contract signing through shipment and after-sales support. One contact coordinates technical documents, commercial details and delivery updates.

BUYER FAQ

Dibenzothiazole Disulfide (MBTS) FAQ

Which Dibenzothiazole Disulfide (MBTS) grade should I choose?

Compare Initial melting point ≥166°C and the complete specification with the intended process. Check incoming quality, formulation compatibility and performance in application trials.

Can I request a Dibenzothiazole Disulfide (MBTS) sample for testing?

Yes. We can provide free samples for testing. Tell us the application, the grade you need and the tests you plan to run.

How is Dibenzothiazole Disulfide (MBTS) packed and shipped?

Standard packing is 25 kg woven bags with inner liners. The usual MOQ is 1,000 kg, with a lead time of approximately 14 days from order confirmation. The stated bulk transport classification is Class 9 — Environmentally hazardous solid.

Which documents are available for Dibenzothiazole Disulfide (MBTS)?

The TDS lists the supply specification and the SDS covers safety and transport; both can be downloaded on this page. Each shipment comes with a batch COA.

Request a Quote for Dibenzothiazole Disulfide (MBTS)

Tell us the required grade, quantity, destination port and documents. We reply within one business day.

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