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2,3-Di-O-para-toluoyl-D-tartaric acid Structure

2,3-Di-O-para-toluoyl-D-tartaric acid

Chemical Properties

Melting point 169-171 °C(lit.)
alpha  136 º (c=1, EtOH)
Boiling point 432.57°C (rough estimate)
Density  1.3084 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  139 ° (C=1, EtOH)
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)
form  Solid
pka 1.46±0.25(Predicted)
color  White to Off-White
optical activity [α]19/D +138°, c = 1 in ethanol
Water Solubility  112.55mg/L at 25℃
BRN  3225584
LogP 2.97 at 25℃
CAS DataBase Reference 32634-68-7(CAS DataBase Reference)
FDA UNII 4480MA5QIP
NIST Chemistry Reference (+)-Di-o-4-toluoyl-d-tartaric acid(32634-68-7)
EPA Substance Registry System Butanedioic acid, 2,3-bis[(4-methylbenzoyl)oxy]-, (2S,3S)- (32634-68-7)
UNSPSC Code 41116107
NACRES NA.24
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Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  22-24/25-36/37-26
WGK Germany  3
F  3-10
TSCA  T
HS Code  29181300
NFPA 704:
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