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NFPA 704 safety squares on containers of ethyl alcohol and acetone. "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association.
Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. It decomposes with loss of carbon dioxide above about 175 °C. Citric acid is a triprotic acid , with pK a values, extrapolated to zero ionic strength, of 3.128, 4.761, and 6.396 at 25 °C. [ 21 ]
This template produces a NFPA 704 safety square with optionally four hazard codes. It is designed to be used in a table. It is designed to be used in a table. Primary use is through {{ Chembox }} , the {{ NFPA 704 }} box and {{ OrganicBox complete }} (chemical data pages).
Speciation diagram for a 10-millimolar solution of citric acid. The violet curve corresponds to the trisodium citrate. As a conjugate base of a weak acid, citrate can perform as a buffering agent or acidity regulator, resisting changes in pH. It is used to control acidity in some substances, such as gelatin desserts. It can be found in the milk ...
Monosodium citrate, more correctly, sodium dihydrogen citrate (Latin: natrium citricum acidulatum), is an acid salt of citric acid. Disodium citrate and trisodium citrate are also known. It can be prepared by partial neutralisation of citric acid [3] with an aqueous solution of sodium bicarbonate or carbonate. It has a slightly acidic taste. [3]
Occupational safety and health ... (fire diamond) [11 ... results from the endothermic reaction between sodium carbonate and a weak acid, commonly citric acid, ...
Baby food labels will disclose levels of lead and other toxic heavy metals via QR codes, thanks to a California law taking effect January 1.
food acid 326 A E U potassium lactate: food acid 327 A E U calcium lactate: food acid 328 A U ammonium lactate: food acid 329 A U magnesium lactate: food acid 330 A E U citric acid: food acid 331 A E U sodium citrates: food acid 332 A E U potassium citrates: food acid 333 A E U calcium citrates: food acid, firming agent 334 A E U L(+)-tartaric ...