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Sulfur and phosphorus compounds

Phosphine, diethyl-

Also known as Diethylphosphine, diethylphosphane, Phosphine, diethyl-(6CI,7CI,8CI,9CI)

CAS 627-49-6Formula C4H11PMolar mass 90.11 g/molEC 663-755-0
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant 1 supplier listed
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Phosphine, diethyl- chemical structure, C4H11P, CAS 627-49-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
627-49-6
Formula
C4H11P
Molar mass
90.11 g/mol
EC number
663-755-0
HS code
293149
Category
Sulfur and phosphorus compounds

What is Phosphine, diethyl-?

Plain description, key identifiers and synonyms

Phosphine, diethyl- is a chemical substance with the molecular formula C4H11P and a molar mass of 90.11 g/mol. Its CAS registry number is 627-49-6. The IUPAC name is diethylphosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethylphosphane
CAS number
627-49-6 CAS number cross-checked
EC number
663-755-0
Molecular formula
C4H11P
MDL number
MFCD00015169
InChIKey
VZZJVOCVAZHETD-UHFFFAOYSA-N
InChI
InChI=1S/C4H11P/c1-3-5-4-2/h5H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CCPCC

Synonyms

  • Diethylphosphine
  • diethylphosphane
  • Phosphine, diethyl-(6CI,7CI,8CI,9CI)
  • diethyl-phosphine
  • Et2PH
  • Diethylphosphine, 98%
  • (C2H5)2PH

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
90.11 g/molcalc.
Exact mass
90.0598 Dacalc.
LogP (octanol/water)
1.7calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
2calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H250Catches fire spontaneously if exposed to air.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H332Harmful if inhaled.
Precautionary statements (27)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P231Handle and store contents under inert gas.
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P335 + P334If on skin: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Phosphine, diethyl- suppliers

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Where suppliers are based

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Phosphine, diethyl- price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phosphine, diethyl- is traded under.

HS 2931.49Indicative HS code

Non-halogenated organo-phosphorous derivatives, other

World exports in 2024
$3.44B
−6.5% vs 2023, imports $3.07B
2022 to 2024
Top exporters
  1. China54.9%
  2. United States25.4%
  3. Germany5.1%
Top importers
  1. United States20.9%
  2. Argentina14.9%
  3. Brazil14.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Phosphine, diethyl- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phosphine, diethyl-, based on the data on this page

What is Phosphine, diethyl-?

Phosphine, diethyl- is a chemical substance with the molecular formula C4H11P and a molar mass of 90.11 g/mol. Its CAS registry number is 627-49-6. The IUPAC name is diethylphosphane.

What is the CAS number of Phosphine, diethyl-?

The CAS registry number of Phosphine, diethyl- is 627-49-6.

What is the molecular formula and weight of Phosphine, diethyl-?

The molecular formula of Phosphine, diethyl- is C4H11P and its molar mass is 90.11 g/mol.

Is Phosphine, diethyl- hazardous?

Phosphine, diethyl- carries the GHS signal word "Danger". Main hazards: catches fire spontaneously if exposed to air, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Phosphine, diethyl-?

Phosphine, diethyl- is usually classified under HS code 293149 (Non-halogenated organo-phosphorous derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phosphine, diethyl-?

CompoundList lists 1 supplier of Phosphine, diethyl- in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phosphine, diethyl-?

Suppliers quote Phosphine, diethyl- on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Phosphine, diethyl-

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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