Basic information
- Name:
Dexpanthenol
- CAS No.:
81-13-0
- Molecular Structure:

- Formula:
- C9H19NO4
- Molecular Weight:
- 205.25
- Deleted CAS:
- 17307-32-3|1113-70-8
- Synonyms:
- Butanamide,2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (R)-;Butyramide,2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, D-(+)- (8CI);(+)-Panthenol;Alcopan 250;Bepanthen;Bepanthene;Cornergel;Cozyme;D(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide;D(+)-Panthenol;D(+)-Pantothenyl alcohol;D(+)-a,g-Dihydroxy-N-(3-hydroxypropyl)-b,b-dimethylbutyramide;D-Panthenol;D-Pantothenyl alcohol;Butanamide,2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (2R)-;Dolobene;Ilopan;Intrapan;Motilyn;Panadon;Pantenyl;Panthenol 50W;Panthenol, (+)-;Pantol;Pantothenyl alcohol;Provitamin B;Thenalton;Urupan;Zentinic;d-Pantothenol;
- EINECS:
- 201-327-3
- Density:
- 1.166 g/cm3
- Boiling Point:
- 483.6 °C at 760 mmHg
- Flash Point:
- 246.3 °C
- Solubility:
- Soluble in water
- Appearance:
- clear colorless to slightly yellow viscous liquid
- Hazard Symbols:
Xn- Risk Codes:
- 36/37/38-48-41-37/38-20/21/22
- Safety Description:
- 23-24/25-45-36/37/39-26-22 Details
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Chemistry
Molecule structure of Dexpanthenol (CAS NO.81-13-0):

IUPAC Name: 2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide
Molecular Weight: 205.25146 g/mol
Molecular Formula: C9H19NO4
Density: 1.166 g/cm3
Boiling Point: 483.6 °C at 760 mmHg
Flash Point: 246.3 °C
Index of Refraction: 1.501
Molar Refractivity: 51.89 cm3
Molar Volume: 175.9 cm3
Surface Tension: 49.1 dyne/cm
Enthalpy of Vaporization: 86.28 kJ/mol
Vapour Pressure: 2.21E-11 mmHg at 25 °C
Storage Temp.: −20 °C
Water Solubility: soluble
Sensitive: hygroscopic
XLogP3-AA: -0.9
H-Bond Donor: 4
H-Bond Acceptor: 4
Rotatable Bond Count: 6
Tautomer Count: 2
Exact Mass: 205.131408
MonoIsotopic Mass: 205.131408
Topological Polar Surface Area: 89.8
Heavy Atom Count: 14
Canonical SMILES: CC(C)(CO)C(C(=O)NCCCO)O
InChI: InChI=1S/C9H19NO4/c1-9(2,6-12)7(13)8(14)10-4-3-5-11/h7,11-13H,3-6H2,1-2H3,(H,10,14)
InChIKey: SNPLKNRPJHDVJA-UHFFFAOYSA-N
EINECS: 201-327-3
Product Categories: Pharmaceutical Intermediates;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
Uses
Dexpanthenol (CAS NO.81-13-0) has good skin penetration in ointment. In cosmetics, Dexpanthenol is a humectant, emollient and moisturizer. It is also used as pharmaceutical intermediates.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/4H MLD | JACTDZ Journal of the American College of Toxicology. 6 (1)(1987),139. | ||
| 2. | eye-rbt 500 µg MLD | JACTDZ Journal of the American College of Toxicology. 6 (1)(1987),139. | ||
| 3. | orl-mus LD50:15 g/kg | JACTDZ Journal of the American College of Toxicology. 6 (1)(1987),139. | ||
| 4. | ipr-mus LD50:9 g/kg | FRPSAX Farmaco, Edizione Scientifica. 14 (1959),43. | ||
| 5. | ivn-mus LD50:7000 mg/kg | NIIRDN “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),599. | ||
| 6. | ivn-rbt LD50:4000 mg/kg | NIIRDN “Drugs in Japan. Ethical Drugs, 6th Edition 1982“ Edited by Japan Pharmaceutical Information Center. 6 (1982),599. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes:
Xn
Risk Statements: 36/37/38-48-41-37/38-20/21/22
R36/37/38:Irritating to eyes, respiratory system and skin.
R48:Danger of serious damage to health by prolonged exposure.
R41:Risk of serious damage to the eyes.
R37/38:Irritating to respiratory system and skin.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 23-24/25-45-36/37/39-26-22
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S22:Do not breathe dust.
WGK Germany: 1
RTECS: ES4316000
F: 3-10
Moderately toxic by intravenous route. A skin and eye irritant. When heated to decomposition it emits toxic fumes of NOx. See also AMIDES.
Specification
Dexpanthenol (CAS NO.81-13-0) is also named as (+)-Panthenol ; (R)-2,4-Dihydroxy-N-(3-hydroxy-propyl)-3,3-
dimethylbutanamide ; 2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide ; (R)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide, D-(+)- ; 4-04-00-01652 (Beilstein Handbook Reference) ; Alcopan-250 ; BAY 81-2996 ; BRN 1724947 ; Bepanthen ; Bepanthene ; D(+)-Pantothenyl alcohol ; D(+)-alpha,gamma-Dihydroxy-N-(3-hydroxypropyl)-beta,beta-dimethylbutyramide ; D-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide ; D-P-A Injection ; Intrapan ; Motilyn ; NSC 302962 ; Panadon ; Pantenyl ; Thenalton ; UNII-1O6C93RI7Z ; Urupan ; Varitan ; Zentinic ; alpha,gamma-Dihydroxy-N-(3-hydroxypropyl)-beta,beta-dimethylbutyramide, D-(+)- ; d(+)-Panthenol ; d-Pantothenol ; d-Pantothenyl alcohol . Dexpanthenol (CAS NO.81-13-0) is clear colorless to slightly yellow viscous liquid. It is soluble in water, alcohol and propylene glycol, soluble in ether and chloroform, and slightly soluble in glycerin.

