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CAS RN: 999-97-3 | Product Number: H0089

1,1,1,3,3,3-Hexamethyldisilazane


Purity: >96.0%(GC)
Synonyms:
  • HMDS
Documents:
25ML
$18.00
Contact Us Contact Us ≥100 
100ML
$34.00
14   3   ≥100 
500ML
$86.00
6   12   ≥100 

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Product Number H0089
Purity / Analysis Method >96.0%(GC)
Molecular Formula / Molecular Weight C__6H__1__9NSi__2 = 161.40 
Physical State (20 deg.C) Liquid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 999-97-3
Reaxys Registry Number 635752
PubChem Substance ID 87570537
SDBS (AIST Spectral DB) 5567
Merck Index (14) 4689
MDL Number

MFCD00008259

Specifications
Appearance Colorless to Almost colorless clear liquid
Purity(GC) min. 96.0 %
Properties (reference)
Boiling Point 126 °C
Flash point 8 °C
Specific Gravity (20/20) 0.77
Refractive Index 1.41
Solubility (miscible with) Ether, Benzene
GHS
Pictogram Pictogram Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H311 + H331 : Toxic in contact with skin or if inhaled.
H302 : Harmful if swallowed.
H314 : Causes severe skin burns and eye damage.
H370 : Causes damage to organs.
H335 : May cause respiratory irritation.
H336 : May cause drowsiness or dizziness.
H412 : Harmful 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.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
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.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P307 + P311 : IF exposed: Call a POISON CENTER or doctor/ physician.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P362 : Take off contaminated clothing and wash before reuse.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P403 + P235 : Store in a well-ventilated place. Keep cool.
P405 : Store locked up.
Related Laws:
RTECS# JM9230000
Transport Information:
UN Number (DOT-AIR) UN3286
Class (DOT-AIR) 3/6.1,8
Packing Group (TCI-A) II
HS Number 2931.90.9010
Application
Trimethylsilylation of Alcohols using TMS Reagents

H0089

Reference

  • Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
    • P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.


Application
Reactivity of Trimethylsilylating Reagents : Trimethylsilylation of Alcohols

H0089

Reference

  • Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
    • P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.


Application
Mono-TMS Protection of Diols using TMS Chloride and HMDS

H0089

Reference

  • Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
    • P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.


PubMed Literature


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