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Alfa Aesar™ 1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate, tech. 90%

Chemical Identifiers

Chemical Name or Material 1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate
CAS 135204-19-2
Purity Grade Technical Grade
Molecular Formula C10H7ClO4S
Formula Weight 258.68g/mol
MDL Number MFCD01090984
UN Number UN3261
Beilstein 8258946
Synonym Benzo[b]thiophenesulfone-2-methoxycarbonyl chloride; Bsmoc-Cl
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1955903

 
alfa aesar™
L19559-03
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.
Description & Specifications

Specifications

Melting Point 76° to 77°C
Quantity 1g
Chemical Name or Material 1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate
CAS 135204-19-2
Purity Grade Technical Grade
Assay 90%
Molecular Formula C10H7ClO4S
Formula Weight 258.68g/mol
MDL Number MFCD01090984
UN Number UN3261
Beilstein 8258946
Synonym Benzo[b]thiophenesulfone-2-methoxycarbonyl chloride; Bsmoc-Cl
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.
Recommended Storage 2° to 8°C
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.

Applications
1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate is used for protection of amino acids as their benzothiophenesulfone-2-methoxycarbonyl (Bsmoc) derivatives, which represent a significant improvement in solid-phase peptide synthesis over the corresponding Fmoc derivatives.

Solubility
Reacts with water.

Notes
Store under inert gas. It is sensitive to moisture. Store in a cool, dry conditions in well sealed containers. Incompatible with oxidizing agents and bases.

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.

2° to 8°C