| Identification | Back Directory | [Name]
FORMOXIME | [CAS]
75-17-2 | [Synonyms]
CH2=NOH
FORMOXIME
FORMALDOXIME
formaldehydeoxime
Formaldehyde,oxime
Formaldoximesolution
methyleneaminen-oxide
Methyleneamine N-oxide
N-Hydroxymethyleneimine
Formoxime (10% in water)
N-Methylenehydroxylamine
FORMALDOXIME COLOUR REAGENT
FORMOXIME ISO 9001：2015 REACH
Formoxime (10% in Water, ca. 2.4mol/L)
Formaldoxime (10% in Water， ca. 2.4mol|L) | [EINECS(EC#)]
200-845-7 | [Molecular Formula]
CH3NO | [MDL Number]
MFCD00058969 | [MOL File]
75-17-2.mol | [Molecular Weight]
45.04 |
| Chemical Properties | Back Directory | [Melting point ]
1.3°C | [Boiling point ]
48.9°C (rough estimate) | [density ]
1.1330 | [refractive index ]
1.4400 (estimate) | [storage temp. ]
0-10°C | [solubility ]
frequently used in aqueous solution or in admixture with aqueous methanolic solution | [form ]
clear liquid | [pka]
11.10±0.10(Predicted) | [color ]
Colorless to Almost colorless | [Water Solubility ]
170g/L(20 ºC) | [CAS DataBase Reference]
75-17-2 | [EPA Substance Registry System]
Formaldehyde, oxime (75-17-2) |
| Hazard Information | Back Directory | [Uses]
FORMOXIME is used for formylation of arenes via diazonium salts; 1,3-dipolar cycloaddition with electron-deficient alkenes and alkynes to form isoxazolidines.
| [Synthesis]
FORMOXIME is synthesized by reactioning of 37% aqueous formaldehyde with hydroxylamine hydrochloride to which sodium hydroxide in 30% aqueous methanol is added (eq 1).3-5 This procedure affords useful solutions of formaldoxime in aqueous methanol.3 Alternatively, paraformaldehyde with hydroxylamine hydrochloride in the presence of sodium acetate in aqueous medium produces a 10% solution of formaldoxime.
| [Precautions]
Formoxime is stable as hydrochloride; the oxime readily polymerizes at room temperature and is more stable in aqueous solution. Handle in a fume hood.
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Energy Chemical
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Maya High Purity Chemicals
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