L-Proline (CAS 147-85-3) is a cyclic, non-essential amino acid that supports protein structure stability and collagen synthesis, supplied as a white crystalline powder that is soluble in water and used in cosmetics, pharmaceuticals and food supplements.

Typical Properties

Molecular formulaC5H9NO2
Molecular weight115.13 g/mol
AppearanceWhite crystalline powder
Formpowder
ColorWhite
Odorat 100.00 %. odorless
Melting point220-222 °C (decomp)
Boiling point252.2 °C @ Press: 760 Torr
Density1.350 g/cm³
Water solubilitysoluble
pH6.0-7.0 (25°C, 1M in H2O)
HS code29339990

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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L-Proline

Applications

Used in cosmetics, pharmaceuticals, and food supplements to promote skin health and wound healing. Also serves as a cryoprotectant and chiral intermediate in synthesis.

Safety & Risks

Non-toxic and stable. Store in dry conditions to prevent clumping.

Packaging

Delivered in 25 kg PE-lined paper bags or fiber drums. Store cool, dry, and sealed.