Blastomycin

  • Antimycin A3
  • Isovaleric acid, N-ester with N-(7-butyl-8-hydroxy-4,9-dimethyl-2,6-dioxo-1,5-dioxonan-3-yl) -3-formamidosalicylamide, stereoisomer
  • [2R-(2R*,3S*,6S*,7R*,8R*)]-8-butyl-3-(3-formamidosalicylamido)-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-yl isovalerate
Formula
C26H36N2O9
Structure
Uses
Antifungal antibiotic.

Registry Numbers and Inventories.
CAS
522-70-3
EC (EINECS/ELINCS)
208-335-6
23/24/25
36/37/39 45
RTECS
NY1502900
RTECS class
Agricultural Chemical and Pesticide; Drug; Natural Product
UN (DOT)
2811
Merck
12,756
Beilstein/Gmelin
1277644
Beilstein Reference
5-19

Properties.
Formula
C26H36N2O9
Formula mass
520.58
Melting point, °C
168 - 172

Hazards and Protection.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
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.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Fire.
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
Toxic. Toxic by inhalation, in contact with skin and if swallowed. Danger: Poison. May be fatal if inhaled, swallowed, or absorbed through skin. Do not breathe dust.
   Ingestion
See Inhalation.
   Inhalation
TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
   Skin
Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
   Eyes
See Inhalation.

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