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Pyruvic acid Structure

Pyruvic acid

Chemical Properties

Melting point 11-12 °C (lit.)
Boiling point 165 °C (lit.)
Density  1.267 g/mL at 25 °C (lit.)
vapor pressure  1.72hPa at 25℃
refractive index  n20/D 1.428(lit.)
FEMA  2970 | PYRUVIC ACID
Flash point 183 °F
storage temp.  2-8°C
solubility  Miscible with chloroform and methanol.
pka 2.39(at 25℃)
form  Liquid
color  Clear colorless to light yellow or amber
PH 3.11(1 mM solution);2.38(10 mM solution);1.79(100 mM solution);
Odor at 1.00 % in propylene glycol. sharp sour acetic caramellic
Odor Type acidic
Merck  14,8021
JECFA Number 936
BRN  506211
Stability Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. Refrigerate.
InChIKey LCTONWCANYUPML-UHFFFAOYSA-N
LogP -1.24
Dissociation constant 2.49 at 25℃
Substances Added to Food (formerly EAFUS) PYRUVIC ACID
FDA 21 CFR 172.515
CAS DataBase Reference 127-17-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 8558G7RUTR
NIST Chemistry Reference Pyruvic acid(127-17-3)
EPA Substance Registry System Propanoic acid, 2-oxo- (127-17-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H314
Precautionary statements P280-P301+P330+P331-P303+P361+P353-P305+P351+P338
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45-25-27
RIDADR  UN 3265 8/PG 2
WGK Germany  3
RTECS  UZ0829800
Autoignition Temperature 305 °C
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29335995
NFPA 704:
1
3 0

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