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8.20138 EMD Millipore

1,2,4-Benzenetricarboxylic 1,2-anhydride

1,2,4-Benzenetricarboxylic 1,2-anhydride for synthesis. CAS 552-30-7, pH 2 (21 g/l, H₂O, 20 °C)., for synthesis

Synonym: Trimellitic acid anhydride

  • CAS Number 552-30-7

  • Linear Formula C₉H₄O₅

  • Molecular Weight 192.12 g/mol

  •  EC Number 209-008-0

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Properties

Related Categories Biochemicals and Reagents More...
packaging   100 g in Plastic bottle (8201380100)
bp   240 °C (19 hPa)
expl. lim.     1 - 7 %(V)
vapor pressure   <1 Pa (20 °C)
solubility   24.4 g/l (decomposition)
density   1.487 g/cm3 (20 °C)
flash point   227 °C
mp   164 - 168 °C
pH   2 (21 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat > 2730 mg/kg
LD 50 dermal   LD50 Rabbit 23000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (morpholine method): ≥ 98.0 %
  Melting range (lower value): ≥ 164 °C
  Melting range (upper value): ≤ 168 °C
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2917 39 95
Hazard Statement(s) 
H317: May cause an allergic skin reaction.
H318: Causes serious eye damage.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
P280: Wear protective gloves.
P280: Wear eye protection.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
RTECS 
DC 2050000
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 1 slightly water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Harmful  Harmful
Categories of danger 
irritant, sensitizing
R Phrase 
R 37-41-42/43
Irritating to respiratory system.Risk of serious damage to eyes.May cause sensitisation by inhalation and skin contact.
S Phrase 
S 22-26-36/37/39
Do not breathe dust.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.
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