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8.00820 EMD Millipore

Isopentanoic acid

Isopentanoic acid for synthesis. CAS 503-74-2, EC Number 207-975-3, chemical formula (CH₃)₂CHCH₂COOH., for synthesis

Synonym: 3-Methylbutyric acid

  • CAS Number 503-74-2

  • Linear Formula C₅H₁₀O₂

  • Molecular Weight 102.13 g/mol

  •  EC Number 207-975-3

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Synthetic Reagents
packaging   5 ml in Glass bottle (8008200005)
bp   176 °C (1013 hPa)
expl. lim.     1.5 - 6.8 %(V)
vapor pressure   0.5 hPa (20 °C)
solubility   48 g/l
density   0.93 g/cm3 (20 °C)
flash point   74 °C
autoignition temp.   420 °C
mp   -31 °C
pH   3.1 (10 g/l, H₂O, 25 °C)
LD 50 oral   LD50 Rat > 2000 mg/kg
LD 50 dermal   LD50 Rabbit > 3000 mg/kg
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Water (K. F.): ≤ 0.20 %
  Density (d 20 °C/ 4 °C): 0.925 - 0.926
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2915 60 90
Hazard Statement(s) 
H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
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.
Storage class 
8A Combustible, corrosive hazardous materials
WGK 
WGK 1 slightly water endangering
Disposal 
4
Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Declaration (railroad and road) ADR, RID 
UN 3265 , 8, II
Declaration (transport by air) IATA-DGR 
UN 3265 , 8, II
Declaration (transport by sea) IMDG-Code 
UN 3265 , 8, II, Segregation Group: 1 (Acids)
Categories of danger 
corrosive
R Phrase 
R 34
Causes burns.
S Phrase 
S 26-36/37/39-45
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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