Name: L(+)-Tartaric acid#87-69-4
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L(+)-Tartaric acid#87-69-4

Using advanced production processes and automated control technologies, key process parameters are monitored and recorded in real time to ensure that the production process is stable, controllable and traceable.

Classification：Cosmetic raw materials

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PRODUCT DESCRIPTION

L(+)-Tartaric acid Chemical Properties

Melting point	170-172 °C(lit.)
alpha	12 º (c=20, H2O)
Boiling point	191.59°C (rough estimate)
bulk density	1000kg/m3
density	1.76
vapor density	5.18 (vs air)
vapor pressure	<5 Pa (20 °C)
FEMA	3044 \| TARTARIC ACID (D-, L-, DL-, MESO-)
refractive index	12.5 ° (C=5, H2O)
Fp	210 °C
storage temp.	Store at +5°C to +30°C.
solubility	H2O: soluble1M at 20°C, clear, colorless
form	Solid
pka	2.98, 4.34(at 25℃)
color	White or colorless
Odor	at 100.00 %. odorless
PH	3.18(1 mM solution);2.55(10 mM solution);2.01(100 mM solution);
biological source	Vitis vinifera
Odor Type	odorless
optical activity	[α]20/D +13.5±0.5°, c = 10% in H2O
Water Solubility	1390 g/L (20 ºC)
Merck	14,9070
JECFA Number	621
BRN	1725147
Dielectric constant	35.9（-10℃）
Stability:	Stable. Incompatible with oxidizing agents, bases, reducing agents. Combustible.
InChIKey	FEWJPZIEWOKRBE-JCYAYHJZSA-N
LogP	-1.43
CAS DataBase Reference	87-69-4(CAS DataBase Reference)
NIST Chemistry Reference	Butanedioic acid, 2,3-dihydroxy- [r-(r,r)]-(87-69-4)
EPA Substance Registry System	Tartaric acid (87-69-4)

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