1, 2 Butanediol

1, 2 Butanediol is produced industrially by hydration of 1, 2-epoxybutane. A colorless transparent liquid that has low toxicity among glycols. It can be used as a humectant, also It is excellent in antibacterial properties that able to use as a preservative.

APPLICATIONS

1, 2 Butanediol has been patented for the production of polyester resins and plasticizers. It is a potential feed-stock for the industrial production of α-ketobutyric acid, a precursor to some amino acids. 1,2-butanediol is used as a skin conditioning agent (humectant), solvent and is used to decrease the overall viscosity of a product.

SPECIFICATIONS

Parameter Measurement Scale Value
Colour APHA 10 max.
Purity Percentage 99.00 min.
Acid Value Percentage (as acetic acid) 0.01 max
Water content Percentage 0.05 max.
Parameter Specification
Form Liquid
Colour Colourless
Odour Odourless
pH N/A
Boiling Point 193 °C (760mmHg)
Melting Point/Freezing Point < -50 °C
Flash Point 110 °C
Auto-ignition Temperature 394 °C
Vapour Sressure 2133 Pa (100°C)
Specific gravity Sensity 1.002 (20°C)
Specific gravity Sensity N/A
Solubility in Sater Soluble
Solubility in Solvent N/A

TOXICITY

Animal studies have been performed on the oral and dermal toxicity of the substance and it was shown that 1, 2-butanediol was not significantly toxic by topical administration. Irritation did occur with ocular application when pure; however irritation was not found when lowered to a concentration of 10%.

Antibacterial activity

Moisturizing data

VISCOSITY

viscocity

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