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Alfa Aesar™ 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane, 97%

Chemical Identifiers

Chemical Name or Material 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
CAS 69304-37-6
Molecular Formula C12H28Cl2OSi2
Formula Weight 315.43g/mol
MDL Number MFCD00009655
UN Number UN1760
Beilstein 1934216
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1117103

 
alfa aesar™
L11171-03
1g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL1117106

 
alfa aesar™
L11171-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL1117114

 
alfa aesar™
L11171-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Boiling Point 69° to 70°C (0.5mmHg)
Quantity 1g
Flash Point >110°C (230°F)
Chemical Name or Material 1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane
CAS 69304-37-6
Assay 97%
Molecular Formula C12H28Cl2OSi2
Formula Weight 315.43g/mol
MDL Number MFCD00009655
UN Number UN1760
Beilstein 1934216
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.
Health Hazard 3 GHS P Statement
P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUIDS, N.O.S.

Applications
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane is a silylating reagent used for simultaneous protection of 3′- and 5′-hydroxy functions of ribonucleosides. It is used in the analysis of Watson-Crick and Hoogstein base pairing in nucleotides. It is also employed in the formation of ribavirin chemical delivery systems. Further, it serves as a protecting group reagent for open-chain polyhydroxy compounds. In addition to this, it is involved in the preparation of cyclic bridged peptides.

Solubility
Miscible with dimethylformamide, hexane, ethyl acetate, chloroform and dichloromethane.

Notes
Incompatible with strong oxidizing agents and water.

Safety and Handling

Danger

GHS P Statement
P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.