Gallic Acid (3,4,5-trihydrox) Gallic Acid - 500g

GALLIC ACID (3,4,5-trihydroxybenzoic acid)

CAS Number: 149-91-7

Description:
Gallic acid is a naturally occurring organic compound with the chemical formula C₆H₄(OH)₃COOH. It is a colorless to pale yellow crystalline solid that is widely distributed in plants, where it is found as a free acid or as part of tannins. Gallic acid is an important intermediate in the synthesis of various other chemicals and is used in several industries, including pharmaceuticals, food, and cosmetics. It is known for its antioxidant properties and is often used as a preservative in food and beverages.

Chemical Properties:

• Molecular Formula: C₆H₄(OH)₃COOH
• CAS Number: 149-91-7
• Molar Mass: 170.12 g/mol
• Appearance: White to pale yellow crystalline powder
• Solubility: Soluble in water, ethanol, and acetone
• Melting Point: 253°C
• Density: 1.65 g/cm³

Applications:

1. Antioxidant and Antimicrobial: It is known for its antioxidant properties and is used in both industrial and laboratory settings as a standard for evaluating the antioxidant capacity of various substances.
2. Dyeing and Tanning: Gallic acid is used in the leather industry for the tanning of hides and skins. It is also used in the production of certain dyes.

SAFETY - GHS Classification:

Warning Pictograms GHS07

Hazard statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary statements Precautionary statements - prevention P261 Avoid breathing dust/fume/gas/mist/vapours/spray P280 Wear protective gloves Precautionary statements - response P302+P352 IF ON SKIN: Wash with plenty of soap and water P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P312 Call a POISON CENTRE/doctor if you feel unwell Precautionary statements - storage P403+P233 Store in a well-ventilated place. Keep container tightly closed Precautionary statements - disposal P501 Dispose of contents/container to industrial combustion plant

Pictograms:

• GHS07 (Exclamation Mark): Number 03 – Indicates irritation or toxicity.

Notes:

Although gallic acid is generally considered safe, prolonged exposure to dust or contact with eyes and skin should be avoided. It is important to wear appropriate personal protective equipment (PPE) when handling this compound. In case of accidental exposure, rinse the affected area with water and seek medical attention if necessary. Always refer to the Safety Data Sheet (SDS) for detailed safety information regarding gallic acid.