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LC4742 Pivalic acid
for synthesis


Order number Packaging Quantity Price €
AC31742 Plastic bottle 100 ml 10.8
AC31742 Plastic bottle 1 l 27.68


Product information
Synonyms Neopentanoic acid, 2,2-Dimethylpropionic acid, Trimethylacetic acid
Hill Formula C5H10O2
Chemical formula (CH3)3CCOOH
HS Code 2915 60 90
EC number 200-922-5
Molar mass 102.13 g/mol
CAS number 75-98-9


Chemical and physical data
Solubility 25 g/l (20 °C)
Melting point 32 – 35 °C
Molar mass 102.13 g/mol
Density 0.91 g/cm3 (20 °C)
Boiling point 164 °C
Vapor pressure 0.85 hPa (20 °C)
Explosion limit 1.6 %(V)
Flash point 64 °C
Refractive index 1.3931 (37 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H302: Harmful if swallowed.
H312: Harmful in contact with skin.
H315: Causes skin irritation.
H318: Causes serious eye damage.
Precautionary Statement(s) 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.
Signal Word Danger
Hazard Pictogram(s)
RTECS TO7700000
Storage class Combustible substances, corrosive
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.


Safety information
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.
Categories of danger harmful, irritant
Hazard Symbol Harmful


Transport information
Declaration (transport by sea) IMDG-Code UN 1759 CORROSIVE SOLID, N.O.S.(PIVALIC ACID), 8, III
Declaration (transport by air) IATA-DGR UN 1759 CORROSIVE SOLID, N.O.S.(PIVALIC ACID), 8, III


Toxicological data
LD 50 oral LD50 rat 900 mg/kg
LD 50 dermal LD50 rat 1900 mg/kg


Assay (GC, area%) ≥ 99 %
Melting range
– lower value
≥ 32 °C
– upper value ≤ 35 °C
Identity (IR) passes test