| Identification | |
| Name: | Tannic acid |
| Synonyms: | Bondtite 345;Brewtan C;Colatan GT 100;F-Tannin;FS 500M;Floctan 3;Gallotannic acid;Hifix SL;Hifix SW-A;Sunlife TN; |
| CAS: | 1401-55-4 |
| EINECS: | 215-753-2 |
| Molecular Formula: | C76H52O46 |
| Molecular Weight: | 1701.22 |
| InChI: | InChI=1/C76H52O46/c77-32-1-22(2-33(78)53(32)92)67(103)113-47-16-27(11-42(87)58(47)97)66(102)112-21-52-63(119-72(108)28-12-43(88)59(98)48(17-28)114-68(104)23-3-34(79)54(93)35(80)4-23)64(120-73(109)29-13-44(89)60(99)49(18-29)115-69(105)24-5-36(81)55(94)37(82)6-24)65(121-74(110)30-14-45(90)61(100)50(19-30)116-70(106)25-7-38(83)56(95)39(84)8-25)76(118-52)122-75(111)31-15-46(91)62(101)51(20-31)117-71(107)26-9-40(85)57(96)41(86)10-26/h1-20,52,63-65,76-101H,21H2 |
| Molecular Structure: |  |
| Properties | |
| Density: | 2.12 g/cm3 |
| Stability: | Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals. |
| Refractive index: | 1.927 |
| Appearance: | light yellow to tan solid with a faint odor |
| Specification: |
?Tannic acid , its cas register number is 1401-55-4. It also can be called Gallotannic acid ; Gallotannin ; Galloylglucose ; Glycerite ; Quebracho ; Tannins .It is a?light yellow to tan solid with a faint odor.It?sinks and mixes with water. |
| HS Code: | 32019090 |
| Storage Temperature: | Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from light. |
| Sensitive: | Air & Light Sensitive |
| Color: | YELLOWISH-WHITE TO LIGHT BROWN, AMORPHOUS, BULKY POWDER OR FLAKES, OR SPONGY MASSES PALE YELLOWISH-BROWN |
| Usage: | Mordant in dyeing, manufacture ink, sizing paper & silk, printing fabrics, tanning, as coagulant in rubber mfr, with gelatin & albumin for manufacture of imitation horn & tortoise shell, clarifying beer or wine, in photography, manufacture gallic acid & pyrogallol, as reagent in analytical chemistry. |
| Safety Data | |
| Hazard Symbols |
Xi: Irritant
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