Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
Learn More
ALADDIN SCIENTIFIC CORPORATION Tannic acid, 100g
Supplier: ALADDIN SCIENTIFIC CORPORATION T308008100G
Slight special smell strong astringency dark color in exposed light and air Soluble in water soluble in ethanol acetone and glycerol almost insoluble in ether benzene chloroform and petroleum ether Slight special smell with strong astringency Light yellow amorphous powder or loose glossy scaly or spongy solid most of them decompose into pyrogallic acid and carbon dioxide at 210-215 degC 1G in 0 35ml water and 1ml hot glycerin Odorless flammable When it comes to albumin starch gelatin and many alkaloids and metal salts it will precipitate When it comes to iron salts it will also produce black or precipitate The spontaneous combustion point was 526 6 degC and the median lethal dose (rabbit oral) was 5 0 g / kg Tannin is not a single compound and its chemical composition is complex Condensed tannin is a kind of flavanol The 2-position of flavanol in the molecule combines with catechol or pyrogallol through carbon carbon bond Hydrolyzable tannin with ester bond in molecule is ga
Product Title
By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.
Spot an opportunity for improvement?