Definition
US FDA substance register · UNII BC693EJ6V3 · registered name 1-METHYL-2-HYDROXYETHYL METHACRYLATE · single chemical substance
Cosmetic roles
Base that dissolves other ingredientsSOLVENT
More data — names, identifiers, properties, test records, literature
Names & identifiers
HYDROXYISOPROPYL METHACRYLATEINCI2-Propenoic acid, 2-methyl-, 2-hydroxy-1-methylethyl esterSynonym
- CAS No.chemical registry number
- 4664-49-7
- EC No.EU chemical inventory number
- 225-109-2
- DTXSIDUS EPA chemical ID
- DTXSID40867417
- DTXCIDUS EPA compound ID
- DTXCID90815605
- IUPAC
- 1-Hydroxypropan-2-yl 2-methylprop-2-enoate
- Molecular formula
- C7H12O3
- Molecular weight
- 144.17 g/mol
Measured properties
- Appearance
- Hydroxypropyl methacrylate appears as white liquid with a light unpleasant odor. May float or sink in water. (USCG, 1999) · Liquid, CBI
- Odour
- Slight acrylic odor
- Boiling point
- Boiling point: 87 °C @ 0.67 kPa, Specific gravity: 1.028 @ 25 °C /2-Hydroxypropyl methacrylate/ · Boiling point: 96 °C @ 1.3 kPa /2-Hydroxypropyl methacrylate/
- Melting point
- -89 °C
- Solubility
- Limited solubility in water, sol in common organic solvents
- Density
- 1.06 at 68 °F (USCG, 1999) - Denser than water, will sink · 1.066 @ 25 °C/16 °C
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 1 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Solvent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
Classed as moderate1
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- SkinSens1
Skin Sensitization · QSAR Predicted
Source: US EPA CompTox dashboard