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8.45122 EMD Millipore

Maleic anhydride

Maleic anhydride Msynth®plus. CAS 108-31-6, pH 0.8 (550 g/l, H₂O, 20 °C) Hydrolysis., Msynth®plus

  • CAS Number 108-31-6

  • Linear Formula C₄H₂O₃

  • Molecular Weight 98.06 g/mol

  •  EC Number 203-571-6

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Properties

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packaging   100 g in Plastic bottle (8451220100)
bp   202 °C (1013 hPa)
expl. lim.     1.4 - 7.1 %(V)
vapor pressure   1.33 hPa (44 °C)
density   1.32 g/cm3 (55 °C)
flash point   103 °C
autoignition temp.   475 °C DIN 51794
mp   51 - 53 °C
pH   0.8 (550 g/l, H₂O, 20 °C) Hydrolysis
bulk density   700 - 800 kg/m3
LD 50 oral   LD50 Rat 1090 mg/kg
LD 50 dermal   LD50 Rabbit 2620 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Colour (visual): white
  Appearance of substance (visual): flakes
  Assay (morpholine method): ≥ 99.0 %
  Melting range (lower value): ≥ 51 °C
  Melting range (upper value): ≤ 54 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2917 14 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H317: May cause an allergic skin reaction.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
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.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
RTECS 
ON3675000
Storage class 
8A Combustible, corrosive hazardous materials
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 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 2215 , 8, III
Declaration (transport by air) IATA-DGR 
UN 2215 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 2215 , 8, III, Segregation Group: 1 (Acids)
Categories of danger 
harmful, corrosive, sensitizing
R Phrase 
R 22-34-42/43
Harmful if swallowed.Causes burns.May cause sensitisation by inhalation and skin contact.
S Phrase 
S 22-26-36/37/39-45
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.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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