Glacial acetic acid is the concentrated, anhydrous (less than 1% water) form of Acetic Acid. It has the same chemical formula as Acetic Acid, CH₃COOH. It is called ‘glacial’ because it can form solid acetic acid crystals at slightly cooler than room temperature at 16.7°C. Unlike Acetic Acid, Glacial Acetic Acid is not naturally occuring, and has a wide variety of uses, from being used in the production of synthetic fibres to its use in laboratories to test blood.
| CAS Number: | 64-19-7 |
| UN Number: | 2789 |
| Hazard Class: | 8 |
| Packing Group: | II |
What is the CAS Number of Glacial Acetic Acid?
Chemicals with the same formula always share the same CAS (Chemical Abstracts Service) number, and therefore, glacial acetic acid shares the same CAS as a
Acetic Acid, which is 64-19-7. This unique identifier is used to identify a specific chemical compound and is widely recognised in chemical databases and regulatory systems. It is a clear, colourless liquid with a very strong odour of vinegar.
What is the UN Number of Glacial Acetic Acid?
The UN number for Glacial Acetic Acid is UN2790, which is the same as the UN number for Acetic Ccid of various concentrations. The UN number is an internationally recognised identifier assigned by the United Nations to hazardous substances or articles during transportation. UN2790 specifically refers to "Acetic Acid Solution" and is used for solutions of Acetic Acid with varying concentrations, including Glacial Acetic Acid. It helps in the identification and classification of the substance for transport and regulatory purposes.
What is the Hazard Class and packing group of Glacial Acetic Acid?
Much like Acetic Acid, Glacial Acetic Acid is inhazard Class 8, which indicates that Glacial Acetic Acid is corrosive. It has the potential to cause severe damage to the skin, eyes, and other materials it comes into contact with. It is assigned to Packing Group II E, which signifies a medium level of danger.
Physical properties of Acetic Acid, Glacial
Physical State:
Liquid
Appearance:
Coluorless
Odor:
Stinging
Odor Threshold:
No information available
pH:
2.5 at 50 g/l at 20 °C
Melting Point / Range:
16.64 °C
Boiling Point / Range:
117.9 °C
Molecular Formula:
No information available
Molecular Weight:
60.05 g/mol
Safety profile of Glacial Acetic Acid
All safety information for Glacial Acetic Acid can be found within our pdf. This includes measures for first aid, fire-fighting, accidental release, handling and storage and personal protection.
All the safety information for Glacial Acetic Acid can be found in our MSDS (material safety data sheet) below. It includes information on first aid, accidental release, fire-fighting, handling and storage, personal protection and much more. Please familiarise yourself with the hazards before handling it.
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