Toluene 3,4-dithiol, GR 99%+

Name: Toluene 3,4-dithiol, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-011000

About Toluene 3,4-dithiol, GR 99%+

Toluene 3,4-dithiol (CAS 496-74-2) is an organosulfur compound offered by Vaqora Chemicals in AR grade at a purity of ≥99%. The compound has the formula C7H8S2, corresponding to a molecular weight of 156.3 g/mol. The IUPAC name is 4-methylbenzene-1,2-dithiol. Common synonyms include 'Dithiol' and 3,4-Dimercaptotoluene.

The material typically appears as a solid or liquid. Literature values give a melting point of 28-33 °C and a density of 1.179 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Toluene 3,4-dithiol in 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Toluene 3,4-dithiol, GR 99%+
Catalogue No.	VQ-011000
CAS Number	496-74-2
IUPAC name	4-methylbenzene-1,2-dithiol
Molecular formula	C₇H₈S₂
Molecular weight	156.3 g/mol
Exact mass	156.0067
Grade	AR
Purity / assay	≥99%
HSN code	29420090
InChIKey	NIAAGQAEVGMHPM-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1)S)S
PubChem CID	10334

Physical properties
Physical form	Liquid
Appearance	Solid or liquid
Melting point	28-33 °C
Density	1.179 g/mL at 25 °C
LogP (XLogP3)	2.6
H-bond donors / acceptors	2 / 2
TPSA	2 Å²
Synonyms	'Dithiol', 3,4-Dimercaptotoluene, 4-Methyl-1,2-benzenedithiol, Dithiol, 1,2-Benzenedithiol, 4-methyl-, 3,4-Dimercaptotoluol, 1,2-Dimercapto-4-methylbenzene, 4-Methyl-1,2-dimercaptobenzene, 3,4-toluenedithiol, USAF B-59, 4-methyl-o-benzenedithiol, acs.jmedchem.1c00409_ST.258

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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 Toluene 3,4-dithiol, GR 99%+?

The CAS Registry Number of Toluene 3,4-dithiol, GR 99%+ is 496-74-2. It is also known as 'Dithiol', 3,4-Dimercaptotoluene, 4-Methyl-1,2-benzenedithiol.

What is the molecular formula and molecular weight of Toluene 3,4-dithiol, GR 99%+?

Toluene 3,4-dithiol, GR 99%+ has the molecular formula C7H8S2 and a molecular weight of 156.3 g/mol. Its IUPAC name is 4-methylbenzene-1,2-dithiol.

Which grade and pack sizes of Toluene 3,4-dithiol, GR 99%+ can I order?

We supply Toluene 3,4-dithiol, GR 99%+ in AR (≥99%) grade, in 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Toluene 3,4-dithiol, GR 99%+?

Yes. Every lot of Toluene 3,4-dithiol, GR 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 Toluene 3,4-dithiol, GR 99%+ be shipped internationally?

Yes. Toluene 3,4-dithiol, GR 99%+ is classified as hazardous, 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.