Synonym(s): Dihydro-2H-pyran-2,6(3H)-dione, Pentanedioic anhydride
Formula: C5H6O3
Formula weight: 114.10
Purity: 98%
CAS Number: 108-55-4
Harmonized Tariff Code: 2917.19
Hazard Statements: H318-H312-H335-H315
Causes serious eye damage. Harmful in contact with skin. May cause respiratory irritation. Causes skin irritation.
Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Phrases: 21/22-37/38-41
Harmful in contact with skin and if swallowed. Irritating to respiratory system and skin. Risk of serious damage to eyes.
Safety Phrases: 26-36/37/39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection.
Form: White to pale yellow crystals
Density: 1.411
Melting point: 52-57°
Boiling point: 291°
Flash point: 178°(352°F)
EINECS: 203-593-6
MDL: MFCD00006679
RTECS: MA3850000
Beilstein: 110051