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C₉H₈O₄
Active Pharmaceutical IngredientsPharmaceutical Grade
Aspirin
2-acetoxybenzoic acid
CAS Number
50-78-2
Formula
C₉H₈O₄
Mol. Weight
180.16 g/mol
Purity
≥99.0%
142verified suppliers
Description
Aspirin (acetylsalicylic acid) is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and inflammation. It is one of the most widely used medications globally and is also used as an antiplatelet agent to prevent cardiovascular events.
Key Identifiers
CAS Registry Number50-78-2
Molecular FormulaC₉H₈O₄
Molecular Weight180.16 g/mol
IUPAC Name2-acetoxybenzoic acid
CategoryActive Pharmaceutical Ingredients
GradePharmaceutical
Purity≥99.0%
Physical & Chemical Properties
AppearanceWhite crystalline powder
Melting Point135–136 °C
Boiling Point140 °C (decomposes)
Density1.40 g/cm³
SolubilitySlightly soluble in water; freely soluble in ethanol
pH2.4 (saturated aqueous solution)
Flash Point250 °C
Hazard Classification
Hazard ClassIrritant
UN NumberUN 3077
GHS PictogramsGHS07
Hazard Statements
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Storage Conditions
Store in a cool, dry, well-ventilated area. Keep away from moisture.
Showing 4 of 142 verified suppliers
Sigma-Aldrich
GermanyMin. order: 25 gLead time: 2–5 days
TCI Chemicals
JapanMin. order: 100 gLead time: 5–10 days
Alfa Aesar
USAMin. order: 50 gLead time: 3–7 days
Merck KGaA
GermanyMin. order: 500 gLead time: 7–14 days