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HomeProduct name listO-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

Synonym(s):Aminoxy-tert-butyldimethylsilane

O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE Structural

What is O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE?

Physical properties

mp 62–65°C; bp 87–90°C/40 mmHg.

The Uses of O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

O-(tert-Butyldimethylsilyl)hydroxylamine (tert-butyldimethylsilyl-O-hydroxylamine)is used to induce the cleavage, during solid supported synthesis of hydroxamic acids. It also finds it uses as a chemical additive and an intermediate.

The Uses of O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

O-(tert-Butyldimethylsilyl)hydroxylamine (tert-butyldimethylsilyl-O-hydroxylamine) may be used to induce the cleavage, during solid supported synthesis of hydroxamic acids.

Preparation

the reagents are most conveniently prepared by treatment of hydroxylamine hydrochloride with ethylenediamine in dichloromethane, followed by the appropriate chlorosilane.A two-step procedure using ammonia in place of ethylenediamine has also been reported.

Properties of O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

Melting point: 62-65 °C (lit.)
Boiling point: 87-90 °C/40 mmHg (lit.)
Density  0.849±0.06 g/cm3(Predicted)
Flash point: 54°C
storage temp.  2-8°C
solubility  freely sol hexane, chloroform, and most organic solvents; insol water.
form  solid
pka 4.75±0.70(Predicted)
Water Solubility  Hydrolyzes in water.
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  2424306
CAS DataBase Reference 41879-39-4(CAS DataBase Reference)

Safety information for O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for O-(TERT-BUTYLDIMETHYLSILYL)HYDROXYLAMINE

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