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IdentificationBack Directory
[Name]

N-METHYL-AZA-2,2,4-TRIMETHYLSILACYCLOPENTANE
[Synonyms]

dow corning x2-8189
1,2,2,4-tetramethyl-1-aza-2-silacyclopentan
1,2,2,4-Tetramethyl-1-aza-2-silacyclopentane
N-METHYL-AZA-2,2,4-TRIMETHYLSILACYCLOPENTANE
1,1,2,4-tetramethyl-1-sila-2-azacyclopentane
1-Aza-2-silacyclopentane, 1,2,2,4-tetramethyl-
[MDL Number]

MFCD01937238
[MOL File]

18387-19-4.mol
Chemical PropertiesBack Directory
[Boiling point ]

137°C
[pka]

11.06±0.40(Predicted)
[Specific Gravity]

0.813
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
[EPA Substance Registry System]

1-Aza-2-silacyclopentane, 1,2,2,4-tetramethyl- (18387-19-4)
Safety DataBack Directory
[Symbol(GHS) ]


GHS06
[Signal word ]

Danger
[Hazard statements ]

H315-H319-H335-H301
[Precautionary statements ]

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P310-P321-P330-P405-P501
[Toxicity]

rat,LD50,oral,200mg/kg (200mg/kg),National Technical Information Service. Vol. OTS0539329,
Hazard InformationBack Directory
[Toxics Screening Level]

The initial threshold screening level (ITSL) for 1,1,2,4-tetramethyl-1-1-sila-2-aza-cyclopentane (X2-8189) is 0.7 μg/m3 based on an annual averaging time.
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