- Description
- Specifications
Citric acid (CAS #77-92-9), C6H8O7, is one of the Alpha Hydroxy Acids (AHA) and known as a weak organic acid. (don’t be deceived by the weak acid status as it is classified as such, due to being a carboxylic acid and it has limited disassociation). It is a natural preservative which is found in citrus fruits and is also used to add an acidic, or sour, taste to foods and soft drinks.
In biochemistry, it is important as an intermediate in the citric acid cycle and therefore occurs in the metabolism of virtually all living things. Citric acid is also used as a pH balancer in body and hair product in combination with other alkali products. This is one of the key ingredients in the bath-bomb / bath fizzies where it acts upon the sodium bicarbonate to produce the 'fizzing'' (Carbon Dioxide release (CO2)) of the product. It can also be used as an environmentally benign cleaning agent.
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Properties
Characteristics
Colourless crystals or a white, crystalline powder;
very soluble in water, freely soluble in ethanol (96%), sparingly soluble in ether
| Property | Value |
|---|---|
| Product name | Citric acid anhydrous |
| EC No. | 201-069-1 |
| CAS No. | 77-92-9 |
| E-No. | E 330 |
| Formula | C6H8O7 |
| Molar mass | 192.124 g/mol |
| Melting point | 153°C |
| Density | 1.67 g/cm³ |
| Boiling point | 175°C |
| Soluble in | Water |
