Benzene-1,4-dithiol, 99%

Name: Benzene-1,4-dithiol, 99%
Brand: Vaqora Chemicals
SKU: VQ-010825

About Benzene-1,4-dithiol, 99%

Listed under CAS 624-39-5, Benzene-1,4-dithiol is an organosulfur compound available from Vaqora Chemicals, specified at 99% purity. Its molecular formula is C6H6S2 and its molecular weight is 142.2 g/mol. Common synonyms include 1,4-Dimercaptobenzene and 1,4-Benzenedithiol.

The material typically appears as powder or crystals. Key physical data: a melting point of 92-97 °C. Keep the material at 2–8 °C and protect it from moisture. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span electronics and thin films and nanotechnology research. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and electronics and semiconductors.

Standard pack sizes are 1 g and 50 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Electronics & thin films
Nanotechnology research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Benzene-1,4-dithiol, 99%
Catalogue No.	VQ-010825
CAS Number	624-39-5
IUPAC name	benzene-1,4-dithiol
Molecular formula	C₆H₆S₂
Molecular weight	142.2 g/mol
Exact mass	141.9911
Purity / assay	99%
HSN code	29420090
InChIKey	WYLQRHZSKIDFEP-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1S)S
PubChem CID	4691729

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals
Melting point	92-97 °C
LogP (XLogP3)	2.1
H-bond donors / acceptors	2 / 2
TPSA	2 Å²
Storage	2–8 °C
UN number	UN 3335
Synonyms	1,4-Dimercaptobenzene, 1,4-Benzenedithiol, Dithiohydroquinone, 4-mercaptothiophenol, C6H6S2, 1,4-Benzenendithiol, 1,4-benzene dithiol, Benzene-1,4-dithiol, 99% (GC)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Benzene-1,4-dithiol, 99%?

The CAS Registry Number of Benzene-1,4-dithiol, 99% is 624-39-5. It is also known as 1,4-Dimercaptobenzene, 1,4-Benzenedithiol, Dithiohydroquinone.

What is the molecular formula and molecular weight of Benzene-1,4-dithiol, 99%?

Benzene-1,4-dithiol, 99% has the molecular formula C6H6S2 and a molecular weight of 142.2 g/mol. Its IUPAC name is benzene-1,4-dithiol.

Which grade and pack sizes of Benzene-1,4-dithiol, 99% can I order?

We supply Benzene-1,4-dithiol, 99% in (99%) grade, in 1 g, 50 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Benzene-1,4-dithiol, 99%?

Yes. Every lot of Benzene-1,4-dithiol, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Benzene-1,4-dithiol, 99% be shipped internationally?

Yes. Benzene-1,4-dithiol, 99% is classified as hazardous (UN 3335), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should Benzene-1,4-dithiol, 99% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.