1,2-Benzenedimethanethiol

CAS 2388-68-3C6H4(CH2SH)2Chemical Synthesis

1,2-Benzenedimethanethiol (CAS: 2388-68-3) is an organic sulfur compound with the linear formula C6H4(CH2SH)2. This chemical serves as a valuable building block in organic synthesis. It has demonstrated utility in stabilizing lead sulfide quantum dots and in the preparation of heterocyclic compounds such as 1,3-dihydrobenzo[c]thiophene. Its thiol functional groups make it reactive in various chemical transformations.

Synonyms: C6H4(CH2SH)2

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1,2-Benzenedimethanethiol (C6H4(CH2SH)2) — chemical structure, CAS 2388-68-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksSulfur CompoundsThiols/Mercaptans

01 /Applications

Quantum Dot Stabilisation

Used for the stabilisation of lead sulfide (PbS) quantum dots, influencing their properties and stability in various applications.

Organic Synthesis Intermediate

Employed as a key intermediate in the synthesis of complex organic molecules, including heterocyclic structures like 1,3-dihydrobenzo[c]thiophene.

Sulfur Compound Research

A useful reagent for researchers working with sulfur-containing organic compounds and exploring new synthetic routes.

02 /Properties

Molecular weight	170.30
Linear formula	C6H4(CH2SH)2
Assay	95%
Boiling point	160 °C/20 mmHg(lit.)
Application	1,2-Benzenedimethanethiol was used to stabilize lead sulfide (PbS) quantum dots1. It was also used in the synthesis of 1,3-dihydrobenzo[c]thiophene2.
Melting point	43-45 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Flash point	113 °C / 235.4 °F
Transport (UN / ADR)	UN 3335
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

2388-68-3

MDL number

MFCD00010017

PubChem substance

24858497

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 1,2-Benzenedimethanethiol used for?

1,2-Benzenedimethanethiol is used in chemical synthesis, notably for stabilising lead sulfide quantum dots and in the creation of compounds like 1,3-dihydrobenzo[c]thiophene.

What is the CAS number and formula for 1,2-Benzenedimethanethiol?

The CAS number is 2388-68-3 and the linear formula is C6H4(CH2SH)2.

What is the purity or grade of 1,2-Benzenedimethanethiol offered by TSS?

This product is supplied at an assay of 95%.

What are the primary hazards associated with 1,2-Benzenedimethanethiol?

1,2-Benzenedimethanethiol is classified as a Warning for skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (NIOSH N95), eyeshields, and gloves, should be used.

How is 1,2-Benzenedimethanethiol typically shipped?

As per UN 3335 classification, it is shipped as a miscellaneous hazardous material. TSS complies with all regulations for global export.

How can I request a quote for 1,2-Benzenedimethanethiol?

Please contact our sales department or use the online enquiry form, providing your required quantity and delivery details to receive a prompt quotation.