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Aldehydes and ketones

Pivalaldehyde

Also known as Trimethylacetaldehyde, Pivaldehyde, 2,2-Dimethylpropanal

CAS 630-19-3Formula C5H10OMolar mass 86.13 g/molEC 211-134-6
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 15 suppliers listed
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Pivalaldehyde chemical structure, C5H10O, CAS 630-19-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
630-19-3
Formula
C5H10O
Molar mass
86.13 g/mol
Physical form
Liquid
HS code
291219
Category
Aldehydes and ketones
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Pivalaldehyde?

Plain description, key identifiers and synonyms

2,2-dimethylpropanal is a member of the class of propanals that is propanal substituted by two methyl groups at position 2. It is a member of propanals and a 2-methyl-branched fatty aldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,2-dimethylpropanal
CAS number
630-19-3 CAS number cross-checked
EC number
211-134-6
Molecular formula
C5H10O
UNII
SSC20260QW
MDL number
MFCD00006962
InChIKey
FJJYHTVHBVXEEQ-UHFFFAOYSA-N
InChI
InChI=1S/C5H10O/c1-5(2,3)4-6/h4H,1-3H3
SMILES (canonical and isomeric)
CC(C)(C)C=O

Synonyms

  • Trimethylacetaldehyde
  • Pivaldehyde
  • 2,2-Dimethylpropanal
  • Neopentanal
  • 2,2-Dimethylpropionaldehyde
  • Pivalic aldehyde
  • Neopentaldehyde
  • alpha,alpha-Dimethylpropionaldehyde
  • Propanal, 2,2-dimethyl-
  • tert-Valeraldehyde
  • Trimethyl acetaldehyde
  • alpha,alpha-Dimethylpropanal
  • trimethyl-acetaldehyde
  • pivalaldeyde
  • tert-pentanal
  • trimethylacetoaldehyde
  • trirnethylacetaldehyde
  • tert-C4H9CHO
  • 2,2-dimethylpropanone
  • Triethylacetaldehyde
  • Trimethylacetaldehyde, 96%
  • 2,2-dimethyl-propionaldehyde
  • Trimethylacetaldehyde, 2,2-Dimethylpropanal Pivalic aldehyde

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
86.13 g/molcalc.
Exact mass
86.0732 Dacalc.
LogP (octanol/water)
1.23calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H335May cause respiratory irritation.
Precautionary statements (22)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Pivalaldehyde suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 15 suppliers
15 of 15 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

15 suppliers in 6 countries

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Pivalaldehyde price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pivalaldehyde is traded under.

HS 2912.19Indicative HS code

Acyclic aldehydes without other oxygen function, other

World exports in 2024
$679M
+4.8% vs 2023, imports $743M
2019 to 2024
Top exporters
  1. Germany22.0%
  2. China21.2%
  3. United States18.5%
Top importers
  1. United States13.1%
  2. Germany9.6%
  3. Belgium8.2%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Pivalaldehyde is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pivalaldehyde, based on the data on this page

What is Pivalaldehyde?

2,2-dimethylpropanal is a member of the class of propanals that is propanal substituted by two methyl groups at position 2. It is a member of propanals and a 2-methyl-branched fatty aldehyde.

What is the CAS number of Pivalaldehyde?

The CAS registry number of Pivalaldehyde is 630-19-3.

What is the molecular formula and weight of Pivalaldehyde?

The molecular formula of Pivalaldehyde is C5H10O and its molar mass is 86.13 g/mol.

What is Pivalaldehyde used for?

Known uses and roles of Pivalaldehyde include building blocks in research and laboratory.

Is Pivalaldehyde hazardous?

Pivalaldehyde carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, causes skin irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pivalaldehyde?

Pivalaldehyde is usually classified under HS code 291219 (Acyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pivalaldehyde?

CompoundList lists 15 suppliers of Pivalaldehyde in China, Canada, Germany, United Kingdom and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Pivalaldehyde in India?

1 supplier in India list Pivalaldehyde on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Pivalaldehyde?

Suppliers quote Pivalaldehyde on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pivalaldehyde

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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