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CAS RN: 107-46-0 | Product Number: H0091

Hexamethyldisiloxane


Purity: >98.0%(GC)
Synonyms:
Documents:
25ML
$17.00
Contact Us Contact Us ≥100 
100ML
$20.00
Contact Us 1   ≥100 
500ML
$55.00
6   3   ≥100 

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Product Number H0091
Purity / Analysis Method >98.0%(GC)
Molecular Formula / Molecular Weight C__6H__1__8OSi__2 = 162.38 
Physical State (20 deg.C) Liquid
Storage Temperature Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 107-46-0
Reaxys Registry Number 1736258
PubChem Substance ID 87570539
SDBS (AIST Spectral DB) 5566
MDL Number

MFCD00008265

Specifications
Appearance Colorless to Almost colorless clear liquid
Purity(GC) min. 98.0 %
Properties (reference)
Boiling Point 100 °C
Flash point -6 °C
Specific Gravity (20/20) 0.76
Refractive Index 1.38
Solubility in water Insoluble
Solubility (soluble in) Alcohol
GHS
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H400 : Very toxic to aquatic life.
H411 : Toxic to aquatic life with long lasting effects.
H225 : Highly flammable liquid and vapor.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P240 : Ground/bond container and receiving equipment.
P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P233 : Keep container tightly closed.
P243 : Take precautionary measures against static discharge.
P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment.
P242 : Use only non-sparking tools.
P280 : Wear protective gloves/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P391 : Collect spillage.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P403 + P235 : Store in a well-ventilated place. Keep cool.
Related Laws:
RTECS# JM9237000
Transport Information:
UN Number (DOT-AIR) UN1993
Class (DOT-AIR) 3
Packing Group (TCI-A) II
HS Number 2931.90.9010
Application
Trimethylsilylating Reagent

Typical Procedure (Entry 1):
In a 100 mL flask equipped with a Dean-Stark trap are placed hexanoic acid (17.5 g, 151 mmol), hexamethyldisiloxane (48.7 g, 301 mmol), sulfuric acid (1.5 g, 15 mmol), and toluene (40 mL). The flask is then heated to gentle reflux, and the course of the reaction is monitored by GLC. After 72 h, the reaction mixture is distilled under reduced pressure to give trimethylsilyl hexanoate (20.2 g, Y. 71%) as a colorless liquid.

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