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Gallic Acid (3,4,5-trihydrox) Gallic Acid - 100g
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 Gallic Acid - 100g "Pin It")
Description
Gallic Acid
Other Names: 3,4,5-Trihydroxybenzoic Acid
CAS Number: 149-91-7
Sum Formula: C₇H₆O₅
Molar Mass: 170.12 g/mol
Appearance: White to off-white crystalline powder
Chemical and Physical Properties
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Density: ~1.7 g/cm³
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Melting Point: 251–253°C (decomposes)
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Boiling Point: Not applicable (decomposes)
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Solubility in Water: Soluble (11.9 g/L at 20°C)
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Solubility in Other Solvents: Soluble in alcohol, acetone, and ether
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Odor: Odorless
Applications
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Dye and Ink Production: Used in the manufacture of inks (e.g., iron gall ink) and as a dye mordant
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Organic Synthesis: Serves as a building block in the synthesis of various organic compounds
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Chemical Analysis: Employed in analytical chemistry as a standard for phenolic content
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Tanning and Leather Processing: Utilized for its tanning properties in processing hides and skins
⚠️ No reference to food or pharmaceutical industries included.
Safety
Signal Word: Warning
H315 (75.1%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (19.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 (75.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (71.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Handling and Storage
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Storage Conditions: Keep in a tightly sealed container in a cool, dry, and well-ventilated area
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Handling Precautions: Avoid inhalation of dust. Use appropriate PPE to prevent contact with eyes and skin