8.01336 EMD Millipore

Pivalic acid

Pivalic acid for synthesis. CAS 75-98-9, EC Number 200-922-5, chemical formula (CH₃)₃CCOOH., for synthesis

Synonym: Neopentanoic acid, 2,2-Dimethylpropionic acid, Trimethylacetic acid

  • CAS Number 75-98-9

  • Linear Formula C₅H₁₀O₂

  • Molecular Weight 102.13 g/mol

  •  EC Number 200-922-5



Related Categories Acids, Acids & Bases, Chemical Synthesis, Synthetic Reagents
bp   164 °C
expl. lim.     1.6 %(V)
vapor pressure   0.85 hPa (20 °C)
solubility   25 g/l
density   0.91 g/cm3 (20 °C)
flash point   64 °C
mp   32 - 35 °C
LD 50 oral   LD50 Rat 900 mg/kg
LD 50 dermal   LD50 Rat 1900 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 32 °C
  Melting range (upper value): ≤ 35 °C
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2915 60 90
Hazard Statement(s) 
H302 + H312: Harmful if swallowed or in contact with skin
H315: Causes skin irritation.
H318: Causes serious eye damage.
Precautionary Statement(s) 
P280: Wear eye protection.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
Storage class 
8A Combustible, corrosive hazardous materials
WGK 1 slightly water endangering
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 Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 1759 , 8, III
Declaration (transport by air) IATA-DGR 
UN 1759 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 1759 , 8, III
Categories of danger 
harmful, irritant
R Phrase 
R 21/22-38-41
Harmful in contact with skin and if swallowed.Irritating to skin.Risk of serious damage to eyes.
S Phrase 
S 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.
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