L-Hydroxyproline（CAS# 51-35-4)

Chemical Property:

Molecular Formula	C5H9NO3
Molar Mass	131.13
Density	1.3121 (rough estimate)
Melting Point	273°C (dec.)(lit.)
Boling Point	242.42°C (rough estimate)
Specific Rotation(α)	-75.5 º (c=5, H2O)
Water Solubility	357.8 g/L (20 º C)
Solubility	H2O: 50mg/mL
Vapor Density	4.5 (vs air)
Appearance	Crystals or Crystalline Powder
Color	White
Odor	Odorless
Merck	14,4840
BRN	471933
pKa	1.82, 9.66(at 25℃)
PH	5.5-6.5 (50g/l, H2O, 20℃)
Storage Condition	Store below +30°C.
Refractive Index	-75.5 ° (C=4, H2O)
MDL	MFCD00064320
Physical and Chemical Properties	White flaky crystal or crystalline powder. The unique sweet taste in the bitter taste can improve the taste quality of the flavor of fruit juice drinks, cool drinks and the like. Special flavor, can be used as raw materials. Melting Point 274 °c (decomposition). Soluble in water (25 ° C, 36.1%), slightly soluble in ethanol.
Use	Flavor enhancer; Nutrition enhancer. Flavor. Mainly used for fruit juice, cool drinks, nutritional drinks, etc.; Used as a Biochemical reagent

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Product Detail

Product Tags

Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin. R22 – Harmful if swallowed
Safety Description	S24/25 – Avoid contact with skin and eyes. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S27 – Take off immediately all contaminated clothing. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
RTECS	TW3586500
TSCA	Yes
HS Code	29339990
Hazard Class	IRRITANT

Introduction

L-hydroxyproline (L-Hydroxyproline) is a non-protein amino acid formed by hydroxylation after proline conversion. It is a natural component of animal structural proteins (such as collagen and elastin). L-Hydroxyproline is one of the isomers of hydroxyproline (Hyp) and is a useful chiral structural unit in the production of many drugs.

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