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Alfa Aesar™ O-Acetylsalicyloyl chloride, 97%

Chemical Identifiers

Chemical Name or Material O-Acetylsalicyloyl chloride
CAS 5538-51-2
Molecular Formula C9H7ClO3
Formula Weight 198.61
MDL Number MFCD00000663
UN Number UN3261
Beilstein 880372
Synonym 2-Acetoxybenzoyl chloride; Aspirin chloride
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL0091914

  SDS
alfa aesar™
L0091914
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.

AAL0091922

  SDS
alfa aesar™
L0091922
100g 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

Formula Weight 198.61
Chemical Name or Material O-Acetylsalicyloyl chloride
MDL Number MFCD00000663
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
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.
Assay 97%
Boiling Point 134° to 136°C (12mmHg)
Beilstein 880372
CAS 5538-51-2
Synonym 2-Acetoxybenzoyl chloride; Aspirin chloride
Molecular Formula C9H7ClO3
Odor Pungent, Makes Eyes Water
Flash Point >110°C (230°F)
Quantity 25g
Melting Point 47° to 50°C
UN Number UN3261
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.

Applications
O-Acetylsalicyloyl chloride was used in the synthesis of enantiomerically pure bidentate heteroorganic ligands built on simple achiral skeletons and containing an aziridine moiety. It was used in the general synthesis of acetoxybenzamides. It was used in the chemical synthesis of 2,2,6,6-tetramethyl-1-piperidinyloxy(TEMPO)-aspirin conjugate via condensation reaction with 4-hydroxy-TEMPO. It was used as reagent in acylation of cyclobutenediones.

Solubility
Soluble in toluene. Reacts with water.

Notes
Moisture Sensitive. Store under dry inert gas. Store away from strong 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-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.