1,4-Phenylene diisocyanate
1,4-Phenylene diisocyanate (CAS 104-49-4), molecular formula C6H4(NCO)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
| Molecular weight | 160.13 |
|---|---|
| Linear formula | C6H4(NCO)2 |
| Boiling point | 260 °C(lit.) |
| Solubility | THF: solubleacetone: solubleethyl acetate: solubletoluene: soluble |
| Vapour pressure | <0.01 mmHg (20 °C) |
| Application | 1,4-Phenylene diisocyanate has been used:• as croos-linking reagent to investigate the mechanism of enzyme immobilization on silanized surfaces1• in the synthesis of dipodal bis-urea receptor, a selective receptor for hydrogen sulfate2• in deposition of polyurea resists films via molecular layer deposition3 |
| Melting point | 96-99 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-38-41-42 |
| Safety statements (S) | 22-26-36/37-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 1,4-Phenylene diisocyanate?
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1,4-Phenylene diisocyanate (CAS 104-49-4), molecular formula C6H4(NCO)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 1,4-Phenylene diisocyanate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Phenylene diisocyanate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 1,4-Phenylene diisocyanate?
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1,4-Phenylene diisocyanate has CAS number 104-49-4 and molecular formula C6H4(NCO)2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 1,4-Phenylene diisocyanate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 1,4-Phenylene diisocyanate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 1,4-Phenylene diisocyanate be stored?
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Store 1,4-Phenylene diisocyanate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 1,4-Phenylene diisocyanate used for?
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1,4-Phenylene diisocyanate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 1,4-Phenylene diisocyanate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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