D-Valine（CAS# 640-68-6)

Chemical Property:

Molecular Formula	C5H11NO2
Molar Mass	117.15
Density	1.2000 (estimate)
Melting Point	>295°C (subl.)(lit.)
Boling Point	213.6±23.0 °C(Predicted)
Specific Rotation(α)	-27.5 º (c=5, 5N HCl)
Flash Point	83°C
Water Solubility	56 g/L (20 ºC)
Solubility	Soluble in water (56 mg/ml at 20° C), Aqueous Acid, and 3N HCI. Insoluble in ethanol
Vapor Presure	0.0633mmHg at 25°C
Appearance	White crystal
Color	White to off-white
BRN	1721135
pKa	2.37±0.10(Predicted)
Storage Condition	room temp
Refractive Index	-27 ° (C=8, 6mol/L H
MDL	MFCD00064219
Physical and Chemical Properties	melting point 302-303°C specific optical rotation -27.5 ° (c = 5, 5N HCl) water-soluble 56g/L (20°C)
Use	Used as raw materials and pharmaceutical intermediates, also for the synthesis of Alatan sweetener

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Product Detail

Product Tags

Hazard Symbols	Xi – Irritant
Risk Codes	36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description	S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S36 – Wear suitable protective clothing. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
RTECS	YV9360000
TSCA	Yes
HS Code	29224995

Introduction

Soluble in 18-4 parts of water, very slightly soluble in alcohol. Solubility in water: 56g/l (20°C), soluble in inorganic acid, insoluble in organic acid, soluble in ethanol, ether and benzene.

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