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| CAS No.: | 1646-75-9 |
|---|---|
| Name: | ALDICARB-OXIME |
| Molecular Structure: | |
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| Formula: | C5H11 N O S |
| Molecular Weight: | 133.214 |
| Synonyms: | Propionaldehyde,2-methyl-2-(methylthio)-, oxime (7CI,8CI);2-(Methylthio)-2-methylpropionaldehyde oxime; 2-Methyl-2-(methylthio)propanaloxime; 2-Methyl-2-(methylthio)propionaldehyde oxime;2-Methyl-2-(methylthio)propionaldoxime; Aldicarb oxime; Temik oxime |
| Density: | 1g/cm3 |
| Melting Point: | 21.1°C |
| Boiling Point: | 210.5°Cat760mmHg |
| Flash Point: | 81.1°C |
| Safety: | Poison by intraperitoneal route. Moderately toxic by ingestion, skin contact and inhalation routes. Mutation data reported. When heated to decomposition it emits toxic vapors of SOx. |
| PSA: | 57.89000 |
| LogP: | 1.58800 |
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Chemistry
Chemistry informtion about 2-Methyl-2-(Methylthio)Propanal Oxime (CAS NO.1646-75-9) is:
IUPAC Name: (Ne)-N-(2-Methyl-2-Methylsulfanylpropylidene)Hydroxylamine
Synonyms: 2-Methyl-2-(Methylthio)Propionaldehydeoxime ; Aldicarb-Oxime ; Propanal, 2-Methyl-2-(Methylthio)-, Oxime ; Propionaldehyde, 2-Methyl-2-(Methylthio)-, Oxime. ; 2-Methyl-2-(Methylthio)-Propanal Oxime
MF: C5H11NOS
MW: 133.21
EINECS: 216-709-5
Density: 1 g/cm3
Flash Point: 81.1 °C
Boiling Point: 210.5 °C at 760 mmHg
Vapour Pressure: 0.0762 mmHg at 25°C
Enthalpy of Vaporization: 49.23 kJ/mol
Storage temp.: 0-6°C
Following is the molecular structure of 2-Methyl-2-(Methylthio)Propanal Oxime (CAS NO.1646-75-9) is:
Production
Raw Materials are Isobutylene --> Isobutyraldehyde --> Hydroxylamine Sulfate --> Sodium Thiomethoxide --> Storage Tank --> 2-Chloro-2-Methyl Propanal Oxime Dimer --> Vacuum/Pressure Econo-Pump:Vacuum(In Hg),20:Max Pressure(Psig),18:Tubin Adapters(In),3/8:Lxwxh(In),7x4x5:Volt,115:Hz,60--> Nitrosyl Chloride .
Preparation Products is Aldicarb.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | intraperitoneal | 100mg/kg (100mg/kg) | Office of Toxic Substances Report. Vol. FYI-OTS-0885-0443, | |
| rabbit | LD50 | skin | 1900mg/kg (1900mg/kg) | Office of Toxic Substances Report. Vol. FYI-OTS-0885-0443, | |
| rat | LC50 | inhalation | 1230mg/m3/4H (1230mg/m3) | sense organs and special senses: lacrimation: eye lungs, thorax, or respiration: dyspnea | Office of Toxic Substances Report. Vol. FYI-OTS-0885-0443, |
| rat | LD50 | oral | 742mg/kg (742mg/kg) | sense organs and special senses: lacrimation: eye sense organs and special senses: chromodacyrorrea: eye behavioral: food intake (animal) | Office of Toxic Substances Report. Vol. FYI-OTS-0885-0443, |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion, skin contact and inhalation routes. Mutation data reported. When heated to decomposition it emits toxic vapors of SOx.
Specification
2-Methyl-2-(Methylthio)Propanal Oxime (CAS NO.1646-75-9) is a clear colorless,viscous liquid with an unpleasant sulfurous or musty odor.It is sensitive to heat and water soluble. It may decompose with prolonged exposure to moisture.It 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.Also it is combustible.