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ALDICARB-OXIME

CAS No.
1646-75-9
Chemical Name:
ALDICARB-OXIME
Synonyms
Temik Oxime;ALDICARB-OXIME;2-methyl-2-(methylthio)-propanal oxime;2-methyl-2-(methylsulfanyl)propanaldoxime;Propanal, 2-methyl-2-(methylthio)-, oxime;Aldicarb-oxime, 10 μg /μL in acetonitrile;2-methyl-2-(methylthio)propionaldehydeoxime;LA10079500ALAldicarb-oximE10μg/mLin Acetonit;Propionaldehyde, 2-methyl-2-(methylthio)-, oxime.;N-[2-methyl-2-(methylsulfanyl)propylidene]hydro xylamine
CBNumber:
CB7258255
Molecular Formula:
C5H11NOS
Molecular Weight:
133.21
MDL Number:
MFCD00221593
MOL File:
1646-75-9.mol
MSDS File:
SDS
Last updated:2025-12-31 14:38:37

ALDICARB-OXIME Properties

Melting point 21.1°C
Boiling point 210°C
Density 1.037 (estimate)
refractive index 1.5216 (estimate)
storage temp. 0-6°C
form liquid
FDA UNII 44OY94U09A
EPA Substance Registry System Aldicarb oxime (1646-75-9)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed
Hazardous Substances Data 1646-75-9(Hazardous Substances Data)

ALDICARB-OXIME price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA00APJ4 N-[2-methyl-2-(methylsulfanyl)propylidene]hydroxylamine 95.00% 1646-75-9 50mg $434 2026-05-28 Buy
aablocks AA00APJ4 N-[2-methyl-2-(methylsulfanyl)propylidene]hydroxylamine 95.00% 1646-75-9 100mg $628 2026-05-28 Buy
aablocks AA00APJ4 N-[2-methyl-2-(methylsulfanyl)propylidene]hydroxylamine 95.00% 1646-75-9 250mg $880 2026-05-28 Buy
aablocks AA00APJ4 N-[2-methyl-2-(methylsulfanyl)propylidene]hydroxylamine 95.00% 1646-75-9 500mg $1363 2026-05-28 Buy
aablocks AA00APJ4 N-[2-methyl-2-(methylsulfanyl)propylidene]hydroxylamine 95.00% 1646-75-9 1g $1737 2026-05-28 Buy
Product number Packaging Price Buy
AA00APJ4 50mg $434 Buy
AA00APJ4 100mg $628 Buy
AA00APJ4 250mg $880 Buy
AA00APJ4 500mg $1363 Buy
AA00APJ4 1g $1737 Buy

ALDICARB-OXIME Chemical Properties, Uses, Production

Chemical Properties

2-methyl-2-(methylthio)propionaldehyde oxime pure product is colorless slightly thiol odor oily liquid, b.p. 71 ℃/0.667mPa, below 15 ℃ condensed into colorless crystals, n19.5D 1.5662, relative density 1.34, 20 ℃ when the viscosity of 27.8mPa-s. Industrial products for the light yellow or light brown liquid, pH = 6, soluble in ethanol, benzene, chloroalkane, and other organic solvents, slightly soluble in water, 27 ℃ water solubility of 2.7% to 3%. Industrial product is light yellow or light brown liquid, pH=6, soluble in ethanol, benzene, chloroalkane and other organic solvents, slightly soluble in water, solubility in water at 27℃ is 2.7%~3%.

Uses

Temik Oxime is an intermediate in the synthesis of Aldicarb-d3 Sulfoxide (A514667), which is a labeled Aldicarb Sulfoxide (A514665). Aldicarb Sulfoxide is an analog of Aldicarb (A514650) detected in agricultural products as pesticide residue.

Definition

ChEBI: The oxime resulting from the formal condensation of 2-methyl-2-(methylsulfanyl)propanal with hydroxylamine. Addition of the oxime group to methyl isocyanate forms the final step in the synthesis of the systemic insecticide aldicarb.

General Description

Clear colorless,viscous liquid with an unpleasant sulfurous or musty odor.

Air & Water Reactions

Sensitive to heat. Water soluble. May decompose with prolonged exposure to moisture.

Reactivity Profile

ALDICARB-OXIME is incompatible with oxidizers, acids and alkalis [(NTP, 1992]. Several explosions or violent decompositions have occurred during distillation of alkoxides, which may be attributable to the formation of peroxides of various types. This is especially the case in the presence of acid, Chem. Eng. News, 1974, 52(35), 3. A nickel catalyzed aldoxime rearrangement to an amide, went out of control after changing the solvent employed, J. Loss Prev., 1993, 6(2), 69.

Fire Hazard

ALDICARB-OXIME is combustible.

Global Suppliers ( 27)
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2-methyl-2-(methylthio)propionaldehydeoxime ALDICARB-OXIME Aldicarb-oxime, 10 μg /μL in acetonitrile Propanal, 2-methyl-2-(methylthio)-, oxime Propionaldehyde, 2-methyl-2-(methylthio)-, oxime. 2-methyl-2-(methylthio)-propanal oxime 2-methyl-2-(methylsulfanyl)propanaldoxime N-[2-methyl-2-(methylsulfanyl)propylidene]hydro xylamine Temik Oxime TIANFU-CHEM_Propanal,2-methyl-2-(methylthio)-, oxime 1646-75-9 LA10079500ALAldicarb-oximE10μg/mLin Acetonit 1646-75-9