Helvolic acid

  • Fumigacin
  • 29-Nordammara-1,17(20),24-trien-21-oic acid, 6,16-bis(acetyloxy)-3,7-dioxo-, (4-alpha, 6-beta,8-alpha,9-beta,13-alpha,14-beta,16-beta,17-beta)
Formula
C33H44O8
Structure

Registry Numbers and Inventories.
CAS
29400-42-8
RTECS
RC1370000
UN (DOT)
2811
Merck
12,4666
Beilstein/Gmelin
3230584
Beilstein Reference
3-10-00-04777

Properties.
Formula
C33H44O8
Formula mass
568.71
Melting point, °C
215
Vapor pressure, mmHg
5.0E-20 (25 C)
Density
1.20 g/cm3 (20 C)
Solubility in water
Insoluble
pKa/pKb
4.05 (pKa)
Partition coefficient, pKow
5.45

Hazards and Protection.
Storage
Store at 2 - 8 C.
Protection
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.

Fire.
Flash Point,°C
209
Fire fighting
Extinguish with carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Health.
Exposure effects
May cause irritation. May be harmful by inhalation, ingestion, or skin absorption.

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 breathing becomes difficult, call a physician.
   Skin
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
2811
Response guide
Hazard class
6.1
Packing Group
II