| Agent Name |
Tannic acid |
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| CAS Number |
1401-55-4 |
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| Major Category |
Other Classes |
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| Synonyms |
Acacia mollissima tannin; Acid, tannic; Acide tannique [French]; Castanea sativa Mill tannin; Gallotannic acid; Gallotannin; Glycerite; Liquidambar styraciflua; Quebracho wood extract; Schinopsis lorentzii tannin; Tannic acid; Tannic acid (Quercus spp.); Tannic acid; Tannin; Tannin; Tannin from chestnut; Tannin from mimosa; Tannin from quebracho; Tannin from sweet gum; Tannins; d'Acide tannique [French]; Chestnut tannin; Mimosa tannin; Quebracho tannin; Sweet gum; Hydrolyzable gallotannin; Quebracho extract; [ChemIDplus] Tannin; Gallotannin; Gallotannic acid; [Merck Index] |
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| Category |
Other Organic Compounds |
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| Description |
Yellowish to light brown solid; [HSDB] |
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| Sources/Uses |
Used as a dye mordant and to make ink, sizing paper, silk, and printed fabrics; Also used in tanning, rubber manufacturing, beer and wine clarifying, photography, and medicine (astringent and topical treatment of burns); Extracted from nutgall; Occurs in bark and fruit of many plants; [Merck Index] Also used in treatment of waste water and boiler water; [HSDB] |
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| Comments |
Commercial tannic acid (C76-H52-O46) usually contains about 10% water; [Merck Index] Corrosive to skin; [Quick CPC] A skin, eye, and respiratory tract irritant; [CAMEO] |
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| Exposure Assessment |
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| Explanatory Notes |
Flash point = 390 deg F; [HSDB] |
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| Flammability (NFPA) |
1: must be preheated |
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| Adverse Effects |
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| Dermatotoxin |
Skin Burns |
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| IARC Carcinogen |
Not Classifiable |
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| Links to Other NLM Databases |
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