Succinic anhydride

  • Dihydro-2,5-furandione
  • Butanedioic anhydride
  • 2,5-Diketotetrahydrofuran
  • Succinic acid anhydride
  • Tetrahydro-2,5-dioxofuran
  • Tetrahydro-2,5-furandione
Formula
C4H4O3
Structure
Description
Colorless needles or white crystalline solid.
Uses
Acidulant in processed foods.

Registry Numbers and Inventories.
CAS
108-30-5
EC (EINECS/ELINCS)
203-570-0
EC Index Number
607-103-00-5
EC Class
Irritant
R 36/37
RTECS
WN0875000
RTECS class
Tumorigen; Mutagen; Reproductive Effector; Primary Irritant
Merck
12,9039
Beilstein/Gmelin
108441
Beilstein Reference
5-17-11-00006
Swiss Giftliste 1
G-2161
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C4H4O3
Formula mass
100.07
Boiling point, °C
261
Vapor pressure, mmHg
0.012 (25 C)
Vapor density (air=1)
3.7
Density
1.503 g/cm3
Solubility in water
20 g/L
Viscosity
3 cP 125 C
Partition coefficient, pKow
-1.31
Heat of vaporization
49.9 kJ/mol
Heat of combustion
-1537 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
Eyes: Wear safety glasses and chemical goggles if splashing is possible. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, acids, bases, alcohols, amines, moist air or water.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
122
Upper exp. limit, %
20.3
Lower exp. limit, %
2.7
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
5
Exposure effects
May cause cancer according to animal studies.
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
Causes respiratory tract irritation. May cause allergic respiratory reaction.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
   Skin
Get medical aid if irritation develops or persists. Wash clothing before reuse. Flush skin with plenty of soap and water.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
11 Organic anhydrides
HS Code
2917 19 90