Betulin

  • Lup-20(29)-ene-3,28-diol, (3b)-
  • 3b,28-Dihydroxylup-20(29)-ene
  • Lup-20(30)-ene-3b,28-diol
  • Betulinic alcohol
  • Betulinol
Formula
C30H50O2
Structure

Registry Numbers and Inventories.
CAS
473-98-3
EC (EINECS/ELINCS)
207-475-5
Merck
12,1237

Properties.
Formula
C30H50O2
Formula mass
442.73
Melting point, °C
256 - 257
Vapor pressure, mmHg
4.3E-13 (25 C)
Density
1.156 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.5186
pKa/pKb
14.83 (pKa)
Partition coefficient, pKow
9.01

Hazards and Protection.
Storage
Store at 4 C. Store under nitrogen.
Protection
PVC or plastic material gloves. Safety glasses with side shields.
Small spills/leaks
Eliminate all ignition sources. Absorb and/or contain spill with inert material(s e.g., sand, vermiculite). Then place in appropriate container.
Stability
Stable under recommended storage conditions. Material is air and moisture sensitive.
Incompatibilities
Strong oxidizing agents.

Fire.
Fire fighting
Use dry chemical, CO2, water spray or alcohol foam. wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure effects
Chronic exposure may cause nausea and vomiting, higher exposure causes unconsciousness. Symptoms of overexposure may be headache, dizziness, tiredness, nausea and vomiting.
   Ingestion
May be harmful if swallowed.
   Inhalation
May cause irritation of respiratory tract.
   Skin
May cause allergic skin reaction.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Do not induce vomiting without medical advice.
   Inhalation
Move to fresh air. Call a physician immediately.
   Skin
Rinse immediately with plenty of water and seek medical advice.
   Eyes
In the case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Transport.