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ChemicalBook >> CAS DataBase List >> Diethyl phosphite

Diethyl phosphite

Diethyl phosphite price.
  • $10 - $863
  • Product name: Diethyl phosphite
  • CAS: 762-04-9
  • MF: C4H11O3P
  • MW: 138.1
  • EINECS:212-091-6
  • MDL Number:MFCD00044573
  • Synonyms:diethylfosfit ;Ethyl phosphonate ((EtO)2HPO);Phosphorous acid diethyl;Phosphorous acid hydrogen diethyl;Phosphonic acid diethyl;Phosphonic Acid Diethyl Ester Diethyl Phosphonate Phosphorous Acid Diethyl Ester;Diethyl phosphit;Phosphorous acidethyl ester two
15 prices
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Brand
  • Biosynth Carbosynth
  • BroadPharm
  • Oakwood
  • Sigma-Aldrich
  • Strem Chemicals
  • SynQuest Laboratories
Package
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • 500g
  • 1kg
  • 1l
  • ManufacturerBiosynth Carbosynth
  • Product numberFD49698
  • Product descriptionDiethyl phosphite
  • Packaging50g
  • Price$82
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD49698
  • Product descriptionDiethyl phosphite
  • Packaging100g
  • Price$125
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD49698
  • Product descriptionDiethyl phosphite
  • Packaging250g
  • Price$200
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD49698
  • Product descriptionDiethyl phosphite
  • Packaging500g
  • Price$300
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD49698
  • Product descriptionDiethyl phosphite
  • Packaging1kg
  • Price$450
  • Updated2021-12-16
  • Buy
  • ManufacturerBroadPharm
  • Product numberBP-20528
  • Product descriptionDiethyl phosphite 97%
  • Packaging25g
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number094551
  • Product descriptionDiethyl phosphite
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number094551
  • Product descriptionDiethyl phosphite
  • Packaging25g
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerOakwood
  • Product number094551
  • Product descriptionDiethyl phosphite
  • Packaging100g
  • Price$36
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberD99234
  • Product descriptionDiethyl phosphite 98%
  • Packaging250g
  • Price$71.8
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number365920
  • Product descriptionDiethyl phosphite technical grade, 94%
  • Packaging1l
  • Price$146.3
  • Updated2025-07-31
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1521
  • Product descriptionDiethylphosphite, min. 95%
  • Packaging100g
  • Price$49
  • Updated2024-03-01
  • Buy
  • ManufacturerStrem Chemicals
  • Product number93-1521
  • Product descriptionDiethylphosphite, min. 95%
  • Packaging500g
  • Price$148
  • Updated2024-03-01
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number6177-1-42
  • Product descriptionDiethyl phosphite
  • Packaging10g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number6177-1-42
  • Product descriptionDiethyl phosphite
  • Packaging50g
  • Price$15
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Biosynth Carbosynth FD49698 Diethyl phosphite 50g $82 2021-12-16 Buy
Biosynth Carbosynth FD49698 Diethyl phosphite 100g $125 2021-12-16 Buy
Biosynth Carbosynth FD49698 Diethyl phosphite 250g $200 2021-12-16 Buy
Biosynth Carbosynth FD49698 Diethyl phosphite 500g $300 2021-12-16 Buy
Biosynth Carbosynth FD49698 Diethyl phosphite 1kg $450 2021-12-16 Buy
BroadPharm BP-20528 Diethyl phosphite 97% 25g $30 2021-12-16 Buy
Oakwood 094551 Diethyl phosphite 5g $10 2021-12-16 Buy
Oakwood 094551 Diethyl phosphite 25g $15 2021-12-16 Buy
Oakwood 094551 Diethyl phosphite 100g $36 2021-12-16 Buy
Sigma-Aldrich D99234 Diethyl phosphite 98% 250g $71.8 2025-07-31 Buy
Sigma-Aldrich 365920 Diethyl phosphite technical grade, 94% 1l $146.3 2025-07-31 Buy
Strem Chemicals 93-1521 Diethylphosphite, min. 95% 100g $49 2024-03-01 Buy
Strem Chemicals 93-1521 Diethylphosphite, min. 95% 500g $148 2024-03-01 Buy
SynQuest Laboratories 6177-1-42 Diethyl phosphite 10g $10 2021-12-16 Buy
SynQuest Laboratories 6177-1-42 Diethyl phosphite 50g $15 2021-12-16 Buy

Properties

Melting point :-70 °C
Boiling point :50-51 °C/2 mmHg (lit.)
Density :1.072 g/mL at 25 °C (lit.)
vapor pressure :7hPa at 20℃
refractive index :n20/D 1.407(lit.)
Flash point :180 °F
form :Liquid
color :Colorless
Specific Gravity :1.072
Water Solubility :miscible (hydrolysis)
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
BRN :605759
Stability :Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, strong bases. May decompose on exposure to moisture. Combustible.
InChIKey :MJUJXFBTEFXVKU-UHFFFAOYSA-N
LogP :-0.15
CAS DataBase Reference :762-04-9(CAS DataBase Reference)
NIST Chemistry Reference :Phosphonic acid, diethyl ester(762-04-9)
EPA Substance Registry System :Diethyl phosphite (762-04-9)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger GHS hazard pictograms P280, P305+P351+P338, P310
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention.

Description

Diethyl phosphite used as intermediate for extraction agent and phosphoric acid esters. It is also used as solvent and acid acceptor in the synthesis of polypeptide. It is also used in the synthetic reaction. It is a precursor of phosphorous which is used for the synthesis of various organophosphorus compounds.

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