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Alfa Aesar™ 2-Chloro-4H-1,3,2-benzodioxaphosphorin-4-one, 97%

Chemical Identifiers

Chemical Name or Material 2-Chloro-4H-1,3,2-benzodioxaphosphorin-4-one
CAS 5381-99-7
Molecular Formula C7H4ClO3P
Formula Weight 202.54g/mol
MDL Number MFCD00013353
UN Number UN3261
Synonym Salicyl chlorophosphite
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2108606

 
alfa aesar™
B21086-06
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.

AAB2108614

 
alfa aesar™
B21086-14
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

Melting Point 36° to 40°C
Boiling Point 127° to 128°C (11mmHg)
Quantity 5g
Flash Point >110°C (230°F)
Chemical Name or Material 2-Chloro-4H-1,3,2-benzodioxaphosphorin-4-one
CAS 5381-99-7
Assay 97%
Molecular Formula C7H4ClO3P
Formula Weight 202.54g/mol
MDL Number MFCD00013353
UN Number UN3261
Synonym Salicyl chlorophosphite
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
2-Chloro-4H-1,3,2-benzodioxaphosphorin-4-one is a reagent used in phosphorylation and phosphitylation of alcohols and in the formation of H-phosphonates. It is also reactive cyclic phosphitylating reagent involved in fast coupling rates and hydrolytic cleavage more readily compare to that of a acyclic analog.

Solubility
Soluble in acetonitrile, dichloromethane, tetrahydrofuron and dimethylformamide.

Notes
Light and heat sensitive. Incompatible with water and strong oxidizing agents.

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