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LC755 1,2,4,5-Benzenetetracarboxylic-1,2:4,5-dianhydride
for synthesis


Order number Packaging Quantity Price €
AC27755 Glass bottle 100 g 13.95


Product information
Synonyms Pyromellitic dianhydride
Hill Formula C10H2O6
HS Code 2917 39 95
EC number 201-898-9
Molar mass 218.12 g/mol
EC index number 607-098-00-X
CAS number 89-32-7


Chemical and physical data
Solubility (20 °C) (decomposition)
Melting point 284 – 287 °C
Molar mass 218.12 g/mol
Bulk density 400 – 600 kg/m3
Boiling point 397 – 400 °C (1013 hPa)
Vapor pressure < - 0.01 hPa (20 °C)
Flash point 380 °C


Safety information according to GHS
Hazard Statement(s) H318: Causes serious eye damage.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
Precautionary Statement(s) P280: Wear protective gloves/eye protection/face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P341: IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.
P313: Get medical advice/attention.
Signal Word Danger
Hazard Pictogram(s)
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering


Safety information
R Phrase R 41-42/43
Risk of serious damage to eyes.May cause sensitization by inhalation and skin contact.
S Phrase S 22-24-26-37/39
Do not breathe dust.Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.
Categories of danger irritant, sensitizing
Hazard Symbol Harmful


Toxicological data
LD 50 oral LD50 rat 2250 mg/kg


Assay (estericification) ∼97 %
Melting range
– lower value
≥ 284 °C
– upper value ≤ 287 °C
Identity (IR) passes test


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