Tannic acid (CAS 5424-20-4) — formula C76H52O46, molecular weight 1701.2; category food additives.
| CAS Number | 5424-20-4 |
|---|---|
| Molecular Formula | C76H52O46 |
| Molecular Weight | 1701.2 |
| Melting Point | 200 °C |
| LogP | 6.2 |
| Applications | 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], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Photographic Processing [Category: Other], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], MORDANT IN DYEING, MFR INK, SIZING PAPER & SILK, PRINTING FABRICS, TANNING, AS COAGULANT IN RUBBER MFR, WITH GELATIN & ALBUMIN FOR MFR OF IMITATION HORN & TORTOISE SHELL, CLARIFYING BEER OR WINE, IN PHOTOGRAPHY, MFR GALLIC ACID & PYROGALLOL, AS REAGENT IN ANALYTICAL CHEMISTRY, TO TREAT WASTE-WATER CONTAINING POLY(VINYL ALC), IN TREATMENT OF WASTE-WATER, CHEMICALS (TANNATES, GALLIC ACID, PYROGALLIC ACID, HYDROSOLS OF THE NOBLE METALS), ALCOHOL DENATURANT, TEXTILES (MORDANT AND FIXATIVE), ELECTROPLATING, WRITING INKS, DEODORIZATION OF CRUDE OIL, For more Uses (Complete) data for TANNIC ACID (7 total), please visit the HSDB record page., Use Classification: Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Cosmetics -> Astringent, Household Products: Information on 1 consumer products that contain Tannic Acid in the following categories is provided:, • Inside the Home, Methods of Manufacturing: ...PREPARED COMMERCIALLY IN US ALMOST ENTIRELY BY SOLVENT EXTRACTION FROM ALEPPO GALL-NUTS FROM EAST MEDITERRANEAN REGION & FROM TARA PODS FROM SOUTH AMERICA. ASIAN GALL-NUTS, LARGELY PRODUCT OF PEOPLES' REPUBLIC OF CHINA, ARE USED IN OTHER COUNTRIES., ...USUALLY OBTAINED FROM NUTGALLS, EXCRESCENCES ON YOUNG TWIGS OF VARIOUS SPECIES OF QUERCUS (OAK)., Formulations, Preparations: TANNIC ACID OF COMMERCE USUALLY CONTAINS ABOUT 10% WATER. ... IT IS PRODUCED FROM TURKISH OR CHINESE NUTGALL, FORMER CONTAINING 50-60%, LATTER ABOUT 70%., TECHNICAL C.P., N.F., FLUFFY, F.C.C., U.S. Production: (1986) No Data, U.S. Imports: (1984) 1.45X10+8 g, COMBINATIONS OF TANNIC ACID 50% OR OVER BY wt AS SPEC NATION FORMULARY AND AS NSPF, U.S. Exports: (1986) No Data, General Manufacturing Information: TANNINS MAY BE DIVIDED INTO 2 GROUPS: (A) DERIV OF FLAVANOLS, SO-CALLED CONDENSED TANNINS & (B) HYDROLYZABLE TANNINS (MORE IMPORTANT GROUP) WHICH ARE ESTERS OF SUGAR, USUALLY GLUCOSE, WITH ONE OR MORE TRIHYDROXYBENZENECARBOXYLIC ACIDS., HYDROLYZABLE TANNINS ARE SUB-DIVIDED, ON BASIS OF PHENOLIC ACIDS WHICH THEY CONTAIN, INTO TWO GROUPS, GALLOTANNINS & ELLAGITANNINS., SPECIFICATIONS FOR...COMMERCIAL GRADE...RESIDUE AFTER IGNITION, 1% MAX, LOSS ON DRYING, 8-12%, TANNIN, 86.1%, NON-TANNIN, 4.5%, INSOL MATERIALS, 0.4%, WATER, 9.0%, TOTAL SOLIDS, 91.0%, SOL SOLIDS, 95.0%., TERM "TANNIN" WAS INTRODUCED IN 1796 BY SEQUIN TO DENOTE SUBSTANCES WITH CAPACITY TO CONVERT ANIMAL SKIN TO LEATHER. TANNINS OF VEGETABLE ORIGIN CONSTITUTE LARGE GROUP OF PHENOLIC COMPD... VARY FROM SIMPLE PHENOLS SUCH AS GALLIC ACID TO MACROMOLECULES WITH MOLECULAR WT OF BETWEEN 500 & 3000., For more General Manufacturing Information (Complete) data for TANNIC ACID (10 total) |
| Category | Food Processing Aids |
Documented applications: 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], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Photographic Processing [Category: Other], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], MORDANT IN DYEING, MFR INK, SIZING PAPER & SILK, PRINTING FABRICS, TANNING, AS COAGULANT IN RUBBER MFR, WITH GELATIN & ALBUMIN FOR MFR OF IMITATION HORN & TORTOISE SHELL, CLARIFYING BEER OR WINE, IN PHOTOGRAPHY, MFR GALLIC ACID & PYROGALLOL, AS REAGENT IN ANALYTICAL CHEMISTRY, TO TREAT WASTE-WATER CONTAINING POLY(VINYL ALC), IN TREATMENT OF WASTE-WATER, CHEMICALS (TANNATES, GALLIC ACID, PYROGALLIC ACID, HYDROSOLS OF THE NOBLE METALS), ALCOHOL DENATURANT, TEXTILES (MORDANT AND FIXATIVE), ELECTROPLATING, WRITING INKS, DEODORIZATION OF CRUDE OIL, For more Uses (Complete) data for TANNIC ACID (7 total), please visit the HSDB record page., Use Classification: Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Cosmetics -> Astringent, Household Products: Information on 1 consumer products that contain Tannic Acid in the following categories is provided:, • Inside the Home, Methods of Manufacturing: ...PREPARED COMMERCIALLY IN US ALMOST ENTIRELY BY SOLVENT EXTRACTION FROM ALEPPO GALL-NUTS FROM EAST MEDITERRANEAN REGION & FROM TARA PODS FROM SOUTH AMERICA. ASIAN GALL-NUTS, LARGELY PRODUCT OF PEOPLES' REPUBLIC OF CHINA, ARE USED IN OTHER COUNTRIES., ...USUALLY OBTAINED FROM NUTGALLS, EXCRESCENCES ON YOUNG TWIGS OF VARIOUS SPECIES OF QUERCUS (OAK)., Formulations, Preparations: TANNIC ACID OF COMMERCE USUALLY CONTAINS ABOUT 10% WATER. ... IT IS PRODUCED FROM TURKISH OR CHINESE NUTGALL, FORMER CONTAINING 50-60%, LATTER ABOUT 70%., TECHNICAL C.P., N.F., FLUFFY, F.C.C., U.S. Production: (1986) No Data, U.S. Imports: (1984) 1.45X10+8 g, COMBINATIONS OF TANNIC ACID 50% OR OVER BY wt AS SPEC NATION FORMULARY AND AS NSPF, U.S. Exports: (1986) No Data, General Manufacturing Information: TANNINS MAY BE DIVIDED INTO 2 GROUPS: (A) DERIV OF FLAVANOLS, SO-CALLED CONDENSED TANNINS & (B) HYDROLYZABLE TANNINS (MORE IMPORTANT GROUP) WHICH ARE ESTERS OF SUGAR, USUALLY GLUCOSE, WITH ONE OR MORE TRIHYDROXYBENZENECARBOXYLIC ACIDS., HYDROLYZABLE TANNINS ARE SUB-DIVIDED, ON BASIS OF PHENOLIC ACIDS WHICH THEY CONTAIN, INTO TWO GROUPS, GALLOTANNINS & ELLAGITANNINS., SPECIFICATIONS FOR...COMMERCIAL GRADE...RESIDUE AFTER IGNITION, 1% MAX, LOSS ON DRYING, 8-12%, TANNIN, 86.1%, NON-TANNIN, 4.5%, INSOL MATERIALS, 0.4%, WATER, 9.0%, TOTAL SOLIDS, 91.0%, SOL SOLIDS, 95.0%., TERM "TANNIN" WAS INTRODUCED IN 1796 BY SEQUIN TO DENOTE SUBSTANCES WITH CAPACITY TO CONVERT ANIMAL SKIN TO LEATHER. TANNINS OF VEGETABLE ORIGIN CONSTITUTE LARGE GROUP OF PHENOLIC COMPD... VARY FROM SIMPLE PHENOLS SUCH AS GALLIC ACID TO MACROMOLECULES WITH MOLECULAR WT OF BETWEEN 500 & 3000., For more General Manufacturing Information (Complete) data for TANNIC ACID (10 total).
Tannic acid is a food-grade compound with CAS registry number 5424-20-4 and molecular formula C76H52O46 (molecular weight 1701.2), belonging to the food additives segment of chemical raw materials.
CAS number: 5424-20-4
Its molecular formula C76H52O46 comprises 76 C, 52 H, 46 O atoms.
Also known as: Tannic acid · (2S,3R,4S,5R,6R)-6-(((3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酰基)氧基)甲基)四氢-2H-吡喃-2,3,4,5-四基四(3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酸酯)
Category: food additives
The CAS registry number of Tannic acid is 5424-20-4.
Molecular formula C76H52O46, molecular weight 1701.2.
It is also registered under: Tannic acid, (2S,3R,4S,5R,6R)-6-(((3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酰基)氧基)甲基)四氢-2H-吡喃-2,3,4,5-四基四(3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酸酯).
Recorded applications: 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], Sewer and Wastewater Treatment [Category: Industry], Leather Tanning and Processing [Category: Industry], Photographic Processing [Category: Other], Textiles (Printing, Dyeing, or Finishing) [Category: Industry], MORDANT IN DYEING, MFR INK, SIZING PAPER & SILK, PRINTING FABRICS, TANNING, AS COAGULANT IN RUBBER MFR, WITH GELATIN & ALBUMIN FOR MFR OF IMITATION HORN & TORTOISE SHELL, CLARIFYING BEER OR WINE, IN PHOTOGRAPHY, MFR GALLIC ACID & PYROGALLOL, AS REAGENT IN ANALYTICAL CHEMISTRY, TO TREAT WASTE-WATER CONTAINING POLY(VINYL ALC), IN TREATMENT OF WASTE-WATER, CHEMICALS (TANNATES, GALLIC ACID, PYROGALLIC ACID, HYDROSOLS OF THE NOBLE METALS), ALCOHOL DENATURANT, TEXTILES (MORDANT AND FIXATIVE), ELECTROPLATING, WRITING INKS, DEODORIZATION OF CRUDE OIL, For more Uses (Complete) data for TANNIC ACID (7 total), please visit the HSDB record page., Use Classification: Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Flavouring Agent -> FLAVOURING_AGENTFood Additives -> FILTERING_AID -> JECFA Functional Classes, Cosmetics -> Astringent, Household Products: Information on 1 consumer products that contain Tannic Acid in the following categories is provided:, • Inside the Home, Methods of Manufacturing: ...PREPARED COMMERCIALLY IN US ALMOST ENTIRELY BY SOLVENT EXTRACTION FROM ALEPPO GALL-NUTS FROM EAST MEDITERRANEAN REGION & FROM TARA PODS FROM SOUTH AMERICA. ASIAN GALL-NUTS, LARGELY PRODUCT OF PEOPLES' REPUBLIC OF CHINA, ARE USED IN OTHER COUNTRIES., ...USUALLY OBTAINED FROM NUTGALLS, EXCRESCENCES ON YOUNG TWIGS OF VARIOUS SPECIES OF QUERCUS (OAK)., Formulations, Preparations: TANNIC ACID OF COMMERCE USUALLY CONTAINS ABOUT 10% WATER. ... IT IS PRODUCED FROM TURKISH OR CHINESE NUTGALL, FORMER CONTAINING 50-60%, LATTER ABOUT 70%., TECHNICAL C.P., N.F., FLUFFY, F.C.C., U.S. Production: (1986) No Data, U.S. Imports: (1984) 1.45X10+8 g, COMBINATIONS OF TANNIC ACID 50% OR OVER BY wt AS SPEC NATION FORMULARY AND AS NSPF, U.S. Exports: (1986) No Data, General Manufacturing Information: TANNINS MAY BE DIVIDED INTO 2 GROUPS: (A) DERIV OF FLAVANOLS, SO-CALLED CONDENSED TANNINS & (B) HYDROLYZABLE TANNINS (MORE IMPORTANT GROUP) WHICH ARE ESTERS OF SUGAR, USUALLY GLUCOSE, WITH ONE OR MORE TRIHYDROXYBENZENECARBOXYLIC ACIDS., HYDROLYZABLE TANNINS ARE SUB-DIVIDED, ON BASIS OF PHENOLIC ACIDS WHICH THEY CONTAIN, INTO TWO GROUPS, GALLOTANNINS & ELLAGITANNINS., SPECIFICATIONS FOR...COMMERCIAL GRADE...RESIDUE AFTER IGNITION, 1% MAX, LOSS ON DRYING, 8-12%, TANNIN, 86.1%, NON-TANNIN, 4.5%, INSOL MATERIALS, 0.4%, WATER, 9.0%, TOTAL SOLIDS, 91.0%, SOL SOLIDS, 95.0%., TERM "TANNIN" WAS INTRODUCED IN 1796 BY SEQUIN TO DENOTE SUBSTANCES WITH CAPACITY TO CONVERT ANIMAL SKIN TO LEATHER. TANNINS OF VEGETABLE ORIGIN CONSTITUTE LARGE GROUP OF PHENOLIC COMPD... VARY FROM SIMPLE PHENOLS SUCH AS GALLIC ACID TO MACROMOLECULES WITH MOLECULAR WT OF BETWEEN 500 & 3000., For more General Manufacturing Information (Complete) data for TANNIC ACID (10 total).
Category: Food Processing Aids.
Independent reference data for Tannic acid (CAS 5424-20-4), compiled from public chemistry databases.
| CAS 号 | 5424-20-4 |
|---|---|
| PubChem CID | 16129778 |
| 分子式 | C76H52O46 |
| IUPAC 名称 | [2,3-dihydroxy-5-[[(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[[3,4-dihydroxy-5-(3,4,5-trihydroxybenzoyl)oxybenzoyl]oxy]oxan-2-yl]methoxycarbonyl]phenyl] 3,4,5-trihydroxybenzoate |
| UNII（FDA） | 28F9E0DJY6 |
| FEMA 编号 | 3042 |
| Molecular Weight | 1701.2 |
|---|---|
| XLogP3 | 6.2 |
| Hydrogen Bond Donor Count | 25 |
| Hydrogen Bond Acceptor Count | 46 |
| Rotatable Bond Count | 31 |
| Exact Mass | 1700.1729741 |
| Monoisotopic Mass | 1700.1729741 |
| Topological Polar Surface Area | 778 |
| Heavy Atom Count | 122 |
| Melting Point | 200 °C |
|---|---|
| Flash Point | 390 °F |
| Flash Point | 390 °F OC. |
| Autoignition Temperature | 980 °F (USCG, 1999) |
| Autoignition Temperature | 980 °F. |
单宁酸；甘油；没食子单宁酸；鞣酸； FEMA 编号 3042；亚洲冬青橡五倍子；单宁酸；酸、单宁；酸单宁；含羞草的单宁；来自栗子的单宁；来自克布拉乔的单宁； NSC-656273； NSC-758670；金合欢单宁；罗氏精草单宁
| 法规与食品接触 | EU Flavoring substances FDA Substance added to food: COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, PH CONT Flavoring Agents FLAVOURING_AGENTFood Additives -> FILTERING_AID: Flavouring Agent COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, PH CONTROL AGENT, PROCESSING AID NOT SPECIFIED |
|---|---|
| GHS 通报统计 | 17.6% (6 / 34) |
| GHS 通报统计 | 17.6% (6 / 34) |
|---|---|
| 已通报的危害声明 | H319 (82.4%) |
(2S,3R,4S,5R,6R)-6-(((3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酰基)氧基)甲基)四氢-2H-吡喃-2,3,4,5-四基四(3,4-二羟基-5-((3,4,5-三羟基苯甲酰基)氧基)苯甲酸酯) · CAS 5424-20-4 · C76H52O46. UNII 28F9E0DJY6. Melting Point: 200 °C; Flash Point: 390 °F; Flash Point: 390 °F OC..
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.