Dibutyl phosphite
Dibutyl phosphite (CAS 1809-19-4), molecular formula (CH3CH2CH2CH2O)2P(O)H, 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 | 194.21 |
|---|---|
| Linear formula | (CH3CH2CH2CH2O)2P(O)H |
| Assay | 96% |
| Boiling point | 118-119 °C/11 mmHg(lit.) |
| Density | 0.995 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.423(lit.) |
| Solubility | H2O: soluble7.3 g/L at 25 °C |
| Vapour pressure | <0.1 mmHg (20 °C) |
| Impurities tested | ≤1% butanol |
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
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 Dibutyl phosphite?
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Dibutyl phosphite (CAS 1809-19-4), molecular formula (CH3CH2CH2CH2O)2P(O)H, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Dibutyl phosphite does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dibutyl phosphite 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 Dibutyl phosphite?
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Dibutyl phosphite has CAS number 1809-19-4 and molecular formula (CH3CH2CH2CH2O)2P(O)H. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Dibutyl phosphite?
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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 Dibutyl phosphite 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 Dibutyl phosphite be stored?
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Store Dibutyl phosphite 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 Dibutyl phosphite used for?
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Dibutyl phosphite 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 Dibutyl phosphite?
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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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