L-(+)-Tartaric acid , Medicinal grade , 87-69-4

Synonym(s):
(2R,3R)-(+)-Tartaric acid;(2R,3R)-(+)-Tartaric acid;L-Threaric acid;2,3-Dihydroxybutanedioic acid;L(+)-Tartaric acid

CAS NO.：87-69-4

Empirical Formula: C4H6O6

Molecular Weight: 150.09

MDL number: MFCD00064207

EINECS: 201-766-0

PRODUCT Properties

• Melting point: 170-172 °C(lit.)
• alpha: 12 º (c=20, H2O)
• Boiling point: 191.59°C (rough estimate)
• 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)
• Flash point: 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
• PH: 3.18(1 mM solution);2.55(10 mM solution);2.01(100 mM solution)
• Odor: at 100.00 %. odorless
• 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

Description and Uses

In the soft drink industry, confectionery products, bakery products, gelatin desserts, as an acidulant. In photography, tanning, ceramics, manufacture of tartrates. The common commercial esters are the diethyl and dibutyl derivatives used for lacquers and in textile printing. Pharmaceutic aid (buffering agent).

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H318
• Precautionary statements: P280-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38-41
• Safety Statements: 26-36-37/39-36/37/39
• WGK Germany: 3
• RTECS: WW7875000
• Autoignition Temperature: 797 °F
• Hazard Note: Irritant
• TSCA: Yes
• HS Code: 29181200