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ChemicalBook >> CAS DataBase List >> Dimethyl (1-Diazo-2-oxopropyl)phosphonate

Dimethyl (1-Diazo-2-oxopropyl)phosphonate

Dimethyl (1-Diazo-2-oxopropyl)phosphonate price.
  • $10 - $1707
  • Product name: Dimethyl (1-Diazo-2-oxopropyl)phosphonate
  • CAS: 90965-06-3
  • MF: C5H9N2O4P
  • MW: 192.11
  • EINECS:
  • MDL Number:MFCD07368360
  • Synonyms:dimethyl 1-(1-diazo-2-oxopropyl)phosphonate;DIMETHYL (1-DIAZO-2-OXOPROPYL)PHOSPHONATE;(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER BESTMANN OHIRA REAGENT;1-Diazoacetonylphosphonic Acid Dimethyl Ester;Dimethyl 1-Diazoacetonylphosphonate;diMethyl(1-diazo-2-oxopropyl)phosphanate;(1-Diazo-2-oxopropyl)phosphonic Acid Dimethyl Ester Dimethyl 1-Diazoacetonylphosphonate 1-Diazoacetonylphosphonic Acid Dimethyl Ester Ohira-Bestmann Reagent;Phosphonic acid,P-(1-diazo-2-oxopropyl)-, diMethyl ester
Price74 Properties Safety Information Description
74 prices
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Brand
  • aablocks
  • Absolute Chiral
  • ACHEMBLOCK
  • Acrotein
  • Adipogen Life Sciences
  • AK Scientific
  • Anichem
  • Apolloscientific
  • AstaTech
  • Biosynth
  • Chemenu
  • Chem-Impex
  • Frontier Specialty Chemicals
  • JR MediChem
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • SynQuest Laboratories
  • Synthonix
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 250mg
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  • 1g
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  • 2.5g
  • 5g
  • 10ml
  • 10g
  • 25g
  • 50g
  • 50mL
  • 100g
  • 250g
  • 1 g
  • 5 g
  • Manufactureraablocks
  • Product numberAA003638
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging5g
  • Price$30
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003638
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging1g
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003638
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging25g
  • Price$120
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003638
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging50g
  • Price$200
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003638
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging100g
  • Price$360
  • Updated2026-05-28
  • Buy
  • ManufacturerAbsolute Chiral
  • Product numberO1750-00-N
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 95%
  • Packaging250mg
  • Price$18
  • Updated2026-05-23
  • Buy
  • ManufacturerAbsolute Chiral
  • Product numberO1750-00-N
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 95%
  • Packaging500mg
  • Price$98
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberQ52639
  • Product descriptiondimethyl (1-imino-2-oxopropyl)phosphonate 95%
  • Packaging25G
  • Price$80
  • Updated2026-05-27
  • Buy
  • ManufacturerAcrotein
  • Product numberAC-3733
  • Product descriptionDimethyl (1-diazo-2-oxopropyl)phosphonate 97%
  • Packaging5g
  • Price$39.2
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberAC-3733
  • Product descriptionDimethyl (1-Diazo-2-oxopropyl)phosphonate 97%
  • Packaging1g
  • Price$30.25
  • Updated2021-12-16
  • Buy
  • ManufacturerAcrotein
  • Product numberAC-3733
  • Product descriptionDimethyl (1-diazo-2-oxopropyl)phosphonate 97%
  • Packaging25g
  • Price$117.6
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberAC-3733
  • Product descriptionDimethyl (1-diazo-2-oxopropyl)phosphonate 97%
  • Packaging100g
  • Price$441
  • Updated2026-05-25
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-D0502-L010
  • Product descriptionOhira-Bestmann Reagent Solution ≥96%(HPLC)
  • Packaging10ml
  • Price$338
  • Updated2026-05-06
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-D0501-G005
  • Product descriptionOhira-Bestmann Reagent ≥96%(HPLC)
  • Packaging5g
  • Price$791
  • Updated2026-05-06
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-D0502-L050
  • Product descriptionOhira-BestmannReagentSolution ≥96%(HPLC)
  • Packaging50mL
  • Price$941
  • Updated2021-12-16
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-D0501-G001
  • Product descriptionOhira-Bestmann Reagent ≥96%(HPLC)
  • Packaging1g
  • Price$198
  • Updated2026-05-06
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003638 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 5g $30 2026-05-28 Buy
aablocks AA003638 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 1g $10 2026-05-28 Buy
aablocks AA003638 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 25g $120 2026-05-28 Buy
aablocks AA003638 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 50g $200 2026-05-28 Buy
aablocks AA003638 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 100g $360 2026-05-28 Buy
Absolute Chiral O1750-00-N Dimethyl (1-Diazo-2-oxopropyl)phosphonate 95% 250mg $18 2026-05-23 Buy
Absolute Chiral O1750-00-N Dimethyl (1-Diazo-2-oxopropyl)phosphonate 95% 500mg $98 2021-12-16 Buy
ACHEMBLOCK Q52639 dimethyl (1-imino-2-oxopropyl)phosphonate 95% 25G $80 2026-05-27 Buy
Acrotein AC-3733 Dimethyl (1-diazo-2-oxopropyl)phosphonate 97% 5g $39.2 2026-05-25 Buy
Acrotein AC-3733 Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97% 1g $30.25 2021-12-16 Buy
Acrotein AC-3733 Dimethyl (1-diazo-2-oxopropyl)phosphonate 97% 25g $117.6 2026-05-25 Buy
Acrotein AC-3733 Dimethyl (1-diazo-2-oxopropyl)phosphonate 97% 100g $441 2026-05-25 Buy
Adipogen Life Sciences CDX-D0502-L010 Ohira-Bestmann Reagent Solution ≥96%(HPLC) 10ml $338 2026-05-06 Buy
Adipogen Life Sciences CDX-D0501-G005 Ohira-Bestmann Reagent ≥96%(HPLC) 5g $791 2026-05-06 Buy
Adipogen Life Sciences CDX-D0502-L050 Ohira-BestmannReagentSolution ≥96%(HPLC) 50mL $941 2021-12-16 Buy
Adipogen Life Sciences CDX-D0501-G001 Ohira-Bestmann Reagent ≥96%(HPLC) 1g $198 2026-05-06 Buy
Next Last

Properties

Density :1.28
refractive index :n20/D1.352-1.354
Flash point :2℃
storage temp. :2-8°C
solubility :Chloroform, Methanol (Slightly)
form :Oil
color :Pale Yellow to Yellow
Merck :14,1177
BRN :4247670
Stability :Light Sensitive
InChI :InChI=1S/C5H9N2O4P/c1-4(8)5(7-6)12(9,10-2)11-3/h1-3H3
InChIKey :SQHSJJGGWYIFCD-UHFFFAOYSA-N
SMILES :P(=O)(OC)(OC)C(=[N+]=[N-])C(=O)C

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Reagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.

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(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
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(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER CAS:90965-06-3
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