25-Hydroxycholesterol

Formula
C27H46O2
Structure
Description
White powder.

Registry Numbers and Inventories.
CAS
2140-46-7
R: 20/21/22 36/37/38 48
S: 26 36 45
Merck
12,4866
New Zealand
Listed

Properties.
Formula
C27H46O2
Formula mass
402.66
Melting point, °C
178 - 180
Boiling point, °C
513
Vapor pressure, mmHg
1.1E-12 (25 C)
Density
1.03 g/cm3 (20 C)
Solubility in water
Insoluble
pKa/pKb
14.85 (pKa)
Partition coefficient, pKow
766
Heat of vaporization
90.3 kJ.mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat, sparks, and open flame. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.

Fire.
Flash Point,°C
214
Fire fighting
Extinguish with carbon dioxide, dry chemical powder, or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Combustion products
Emits toxic fumes under fire conditions.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Causes irritation of the eyes, skin, mucous membranes and upper respiratory tract. Harmful if swallowed, inhaled or absorbed through skin. Symptoms include coughing, chest pains, difficulty in breathing. Lung irritation, chest pain, and edema which may be fatal. Gastrointestinal disturbances. Nausea, headache, and vomiting. Narcotic effect. Anemia.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Wash area with soap and water.
   Eyes
RInse with water for at least 15 minutes. Seek medical attention.

Transport.