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O-Acetylsalicylic acid, 99% - CAS 50-78-2 - Formula C9H8O4


Certificate of Analysis

O-Acetylsalicylic acid, 99%

CAS: 50-78-2 MDL: MFCD00002430  EINECS: 200-064-1
Not regulated for shipping
Alternate Name: 2-Acetoxybenzoic acid


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Chemical Properties

Formula: C9H8O4  Flash point: 250°(482°F)
Formula weight: 180.15  Density: 1.400
Melting point: 133-140° 

Other References

Merck: 14,851
Beilstein: 779271
Harmonized Tariff Code:   2918.22

GHS Hazard and Precautionary Statements

Hazard Statements : H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Risk & Safety

Risk Phrases: 22-36/37/38
Harmful if swallowed. Irritating to eyes, respiratory system and skin.
Safety Phrases: 26-36/37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves. This material and/or its container must be disposed of as hazardous waste.
RTECS: VO0700000