3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid

CAS 4767-03-7

U.S. production volumes are classified as confidential business information.

Molecular structure of 4767-03-7
US productionCBI
Import value, 2024$81M
Top sourceChina 35%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291819 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291819, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 35%ChinaIN 34%IndiaIT 9%ItalyDE 9%GermanyJP 4%Japan
EPA-registered manufacturers (1)
Geo Specialty Chemicals
EPA-registered importers (2)
Perstorp Ab · SE Sweden
Perstorp Polyols

Why It Matters

Sectors
ConstructionPlastics & RubberPaints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • •Monomers in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
  • •Intermediate in Plastics Material and Resin Manufacturing (40%)Processing as a reactant
  • •Intermediate in Paint and Coating Manufacturing (92%)Processing as a reactant
  • •Intermediate in Adhesive Manufacturing (8%)Processing as a reactant

Vendor Pricing

$0.01/gAaron Chemicals LLC
CountryHong Kong
Pack$7.00 / 500 g
Purity99%
Vendors21 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS4767-03-7
PubChem CID78501
DTXSIDDTXSID4027577
FormulaC5H10O4
Mol. Weight134.13 g/mol
SMILESCC(CO)(CO)C(=O)O

Data Sources

Brief citations

3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid (CAS 4767-03-7) https://chemicalindependence.com/chemical/4767-03-7/ EPA CompTox (DSSTox): DTXSID4027577. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4027577 PubChem: 78501. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/78501 EPA Chemical Data Reporting: 4767-03-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4767-03-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291819 for CAS 4767-03-7. Reporting year: 2024. https://usatrade.census.gov/