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DIETHOXYPHOSPHINYL ISOCYANATE

Also known as: Diethyl isocyanatidophosphate, Diethyl phosphorisocyanatidate, Diethoxyphosphoryl isocyanate, Phosphorisocyanatidic acid, diethyl ester, Ethyl phosphorisocyanatidate, Diethyl isocyanatophosphate

DIETHOXYPHOSPHINYL ISOCYANATE (CAS 20039-33-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10NO4P and a molecular weight of 179.11100 g/mol. Key properties include a boiling point of 212.7ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 48.3ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20039-33-2
Jingsj CID
J-1012327-0
Molecular Formula
C5H10NO4P
Molecular Weight
179.11100 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point212.7ºC at 760mmHg
Density1.24g/cm3
Flash Point48.3ºC
Exact Mass179.03500
PSA74.77000
LogP1.50330
Vapor Pressure0.248mmHg at 25°C
Refractive Indexn20/D 1.416(lit.)

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of DIETHOXYPHOSPHINYL ISOCYANATE?

The CAS number of DIETHOXYPHOSPHINYL ISOCYANATE is 20039-33-2.

What are the molecular formula and molecular weight of DIETHOXYPHOSPHINYL ISOCYANATE?

DIETHOXYPHOSPHINYL ISOCYANATE has molecular formula C5H10NO4P and molecular weight 179.11100 g/mol.

Is DIETHOXYPHOSPHINYL ISOCYANATE hazardous?

DIETHOXYPHOSPHINYL ISOCYANATE has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of DIETHOXYPHOSPHINYL ISOCYANATE?

For DIETHOXYPHOSPHINYL ISOCYANATE, Upstream Products: Oxalyl chloride, Diethyl phosphoramidate; Downstream Products: Diethyl N-(tert-Butoxycarbonyl)phosphoramidate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "DIETHOXYPHOSPHINYL ISOCYANATE (CAS 20039-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012327-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.