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CAS RN: 50-78-2 | Product Number: A2262

Acetylsalicylic Acid

Purity: >98.0%(GC)(T)
  • ASA
  • 2-Acetoxybenzoic Acid
5   ≥20 
2   8  

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Product Number A2262
Purity / Analysis Method >98.0%(GC)(T)
Molecular Formula / Molecular Weight C__9H__8O__4 = 180.16  
Physical State (20 deg.C) Solid
CAS RN 50-78-2
Reaxys Registry Number 779271
PubChem Substance ID 87561583
Merck Index (14) 851
MDL Number


Appearance White to Almost white powder to crystal
Purity(GC) min. 98.0 %
Purity(Neutralization titration) min. 98.0 %
Melting point 133.0 to 138.0 °C
Properties (reference)
Melting Point 134 °C
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 : Toxic if swallowed.
H319 : Causes serious eye irritation.
H360 : May damage fertility or the unborn child.
H371 : May cause damage to organs.
H373 : May cause damage to organs through prolonged or repeated exposure.
H334 : May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P304 + P340 : IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
Related Laws: / Compliance with laws, Regulations
Enzyme Commission 200-064-1
RTECS# VO0700000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
HS Number 2923900090
Reagent for gastropathy (gastric mucosal injury) model

Protective effect of exogenous phospholipid on aspirin-induced gastric mucosal injury

R. A. Swarm, S. W. Ashley, D. I. Soybel, F. S. Ordway, L. Y. Cheung, Am. J. Surg. 1987, 153, 48.

Prevention of aspirin-induced gastric mucosal injury by histamine H2 receptor antagonists: a crossover endoscopic and intragastric pH study in the dog

R. L. Cavanagh, J. P. Buyniski, S. E. Schwartz, J. Pharmacol. Exp. Ther. 1987, 243, 1179.

Aspirin-induced acute gastric mucosal injury is a neutrophil-dependent process in rats

M. Lee, K. Aldred, E. Lee, M. Feldman, Am. J. Physiol. 1992, 263, G920.

The protective effects of rutaecarpine on gastric mucosa injury in rats

L. Wang, C. P. Hu, P. Y. Deng, S. S. Shen, H. Q. Zhu, J. S. Ding, G. S. Tan, Y. J. Li, Planta. Med. 2005, 71, 416.

PubMed Literature

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