1,3-Phenylene diisothiocyanate
1,3-Phenylene diisothiocyanate (CAS: 3125-77-7) is an organic compound with the linear formula C6H4(NCS)2 and a molecular weight of 192.26 g/mol. It is recognised as a versatile organic building block utilised in chemical synthesis. Its distinct isothiocyanate functional groups make it valuable for creating more complex molecular structures.
- Synonyms
- C6H4(NCS)21,3-Diisothiocyanatobenzene
Organic Synthesis Intermediate
This compound serves as a crucial intermediate in the synthesis of various organic molecules. Its reactive isothiocyanate groups readily participate in addition reactions with nucleophiles.
Material Science Precursor
1,3-Phenylene diisothiocyanate can be employed in the development of novel polymers and materials due to the presence of two reactive sites, facilitating cross-linking or polymer chain extension.
Research Chemical
Available for laboratory research, it aids in exploring new synthetic pathways and investigating the properties of compounds derived from it.
| Molecular weight | 192.26 |
|---|---|
| Linear formula | C6H4(NCS)2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 56 °C (dec.)(lit.) |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-42 |
| Safety statements (S) | 22-26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 1,3-Phenylene diisothiocyanate used for?
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1,3-Phenylene diisothiocyanate is primarily used as an intermediate in organic synthesis and as a precursor in material science research.
What is the CAS number and formula for 1,3-Phenylene diisothiocyanate?
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The CAS number is 3125-77-7, and its linear formula is C6H4(NCS)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Phenylene diisothiocyanate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 1,3-Phenylene diisothiocyanate be handled safely?
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Handling requires caution due to hazards including H302 (harmful if swallowed), H315 (causes skin irritation), H319 (causes serious eye irritation), H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (may cause respiratory irritation). Use appropriate personal protective equipment, including a dust mask (N95 US), eyeshields, face shields, and gloves. Ensure adequate ventilation.
How is 1,3-Phenylene diisothiocyanate packed and exported?
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This chemical is typically stored at 2-8°C. Tech Serve Solutions exports chemicals globally, adhering to all relevant shipping regulations for hazardous materials, including UN 3335 classification.
How can I request a quote or sample for 1,3-Phenylene diisothiocyanate?
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To request a quote or sample, please contact our sales team through the website or by phone.
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