produktbeskrivelse

Natural pyruvic acid Basic information

Naturlig pyruvinsyre Kjemiske egenskaper

Smeltepunkt	11-12 ° C (opplyst)
Kokepunkt	165 ° C (opplyst)
density	1.272 g/mL at 20 °C
FEMA	2970 \| PYRUVISYRE
brytningsindeks	n20/D 1.428(lit.)
Fp	183 °F
storage temp.	2-8°C
solubility	Miscible with chloroform and methanol.
pka	2.39(at 25℃)
skjema	Liquid
farge	Clear colorless to light yellow or amber
PH	1,2 (90g / l, H2O, 20â „ƒ)
JECFA-nummer	936
Merck	14.8021
BRN	506211
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. Refrigerate.
InChIKey	LCTONWCANYUPML-UHFFFAOYSA-N
CAS DataBase Referanse	127-17-3(CAS DataBase Reference)
NIST Chemistry Reference	Pyruvicacid (127-17-3)
EPA Substance Registry System	Propanoic acid, 2-oxo- (127-17-3)

Natural pyruvic acid Safety Information

Natural pyruvic acid Usage

Kjemiske egenskaper	Colorless to light yellow liquid
Kjemiske egenskaper	Pyruvic acid has a sour, acetic odor (similar to acetic acid). It has a pleasant, sour taste with a burning, somewhat sweet note.
Hendelse	Isolated from cane sugar fermentation broth and from a few plants; also reported found in peppermint, raw asparagus, leaves and stalk of celery, onion, rutabaga, milk, cream, buttermilk, wheaten bread, blue cheeses, cheddar cheese, cottage cheese, provolone cheese, yogurt, beef, Virginia tobacco, beer, white wine, botrytised wine, cocoa and sake.
Bruker	pyruvic acid is an alpha hydroxy acid that can be irritating and is considered difficult to work with. It has a larger molecular size than the most commonly used AHAs. Sodium pyruvate is more commonly used, and is an organic salt.
Bruker	Biokjemisk forskning.