Allantoin
CAS Number
97-59-6
EC Number
202-592-8
What is Allantoin?
Allantoin (CAS 97-59-6) is a naturally derived heterocyclic compound used in pharmaceutical and personal care manufacturing. Also marketed as Septalan, Sebical and Psoralon.
Where is Allantoin used?
- Pharmaceutical topicals: wound-healing creams and ointments
- Dermatological treatments: accelerates epithelial regeneration
- Personal care: moisturizers, anti-aging serums and after-sun products that soothe skin
- Hair care: scalp conditioning and reduced flaking in shampoos and scalp treatments
- Medicated hair care lines, lip care products and baby formulations
- It acts as a keratolytic agent, promoting cell renewal and tissue repair.
Good to know: Mildness and skin tolerance are primary formulation requirements for sensitive applications. Pharmaceutical-grade material meets USP, BP and Ph. Eur. specifications, while cosmetic grade predominates in personal care.
Commercial specifications
- Pharmaceutical grade: USP, BP, Ph. Eur.
Other Names (Synonyms)
Septalan|Sebical|Psoralon|N-(2,5-Dioxo-4-imidazolidinyl)urea|Glyoxylic diureide|Fancol TOIN|D00121|AVC/Dienestrolcream
What are the physical properties of Allantoin?
Melting Point 239 °C
Boiling Point 478 °C
Density 1.6031 (rough estimate)
Flash Point 230-234°C
Appearance White Solid
Color White
Odor odorless, tasteless
Form Powder
Water Solubility Slightly soluble in water. Freely soluble in alkalis
Refractive Index 1.8500 (estimate)
Log P -2.26 at 20℃
How is Allantoin classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H302 Harmful if swallowed
Precautionary Statements
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P330 Rinse mouth.
P501 Dispose of contents/container in accordance with local regulations.
P301+P317 Get emergency medical help.
Which trade and regulatory codes apply to Allantoin?
HS Code 29332100
Storage Class 11 - Combustible Solids
WGK (Germany) 1