Butyl acrylate is an acrylate ester obtained by the formal condensation of the hydroxy group of butan-1-ol with the carboxy group of acrylic acid.
Definition
Butyl acrylate is an acrylate ester obtained by the formal condensation of the hydroxy group of butan-1-ol with the carboxy group of acrylic acid. It is functionally related to an acrylic acid and a butan-1-ol.
Source: PubChem
US FDA substance register · UNII 705NM8U35V · registered name BUTYL ACRYLATE · single chemical substance
Butyl Acrylate is the organic compound
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name アクリル酸ブチル: 本品は、次の化学式で表される有機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 141-32-2
- EC No.EU chemical inventory number
- 216-768-7
- EC No.EU chemical inventory number
- 216-768-7 (I)
- DTXSIDUS EPA chemical ID
- DTXSID6024676
- DTXCIDUS EPA compound ID
- DTXCID104676
- IUPAC
- Butyl prop-2-enoate
- Molecular formula
- C7H12O2
- Molecular weight
- 128.171 g/mol
Measured properties
- Appearance
- Butyl acrylate appears as a clear colorless liquid with a sharp characteristic odor. Very slightly soluble in water and somewhat less dense than water. Hence forms surface slick on water. Flash point 105 °F. Density 7.5 lb / gal. Used for making paints, coatings, caulks, sealants, adhesives. · Liquid
- Odour
- Sharp, fragrant · Sharp, biting characteristic odor
- Boiling point
- 295 to 298 °F at 760 mmHg (NTP, 1992) · 145 °C
- Melting point
- -84.3 °F (NTP, 1992) · -64.6 °C
- Solubility
- less than 1 mg/mL at 68 °F (NTP, 1992) · Solubility of water in n-butyl acrylate at 20 °C: 0.8 mL/100 g
- Density
- 0.899 at 68 °F (USCG, 1999) - Less dense than water, will float · 0.8898 g/cu cm at 20 °C
- Colour
- colourless
- Melting/freezing point
- -64.6 ℃
- Initial boiling point and range
- 145 ℃
- Flash point
- 36 ℃
- Upper/lower flammability or explosive limits
- 1.3 / 9.9 %
- Vapour pressure
- 5.45 ㎜Hg(25℃)
- Water solubility
- 0.14 g/100㎖(20℃)
- Vapour density
- 4.42 (air=1)
- Relative density
- 0.8898 (20℃)
- n-Octanol/water partition coefficient (Kow)
- 2.36
- Auto-ignition temperature
- 267 ℃
- Molecular weight
- 128.17
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 17 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.
- Monomers5
- Processing aids not otherwise specified4
- Surfactant (surface active agent)2
- Intermediate2
- Elasticizer1
- Stabilizing agent1
- Binder1
- Cleaning agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
11 skin studies and 4 eye studies are on record.
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 15 studies
- Skin sensitization - Category 1B
Skin Sensitization · Screening - Category 1A
Skin Sensitization · Screening - Skin Irrit. 2
Skin Irritation · Authoritative - Skin corrosion/irritation - Category 2
Skin Irritation · Screening - High Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EPA OPPTS 870.2600 (Skin Sensitisation) - Category 6.5B (Category 1)
Skin Sensitization · Read Across - Skin Sens. 1
Skin Sensitization · Authoritative - Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 2
Skin Irritation · Screening - Sh
Skin Sensitization · Authoritative - Severe Irritation
skin irritation: in vivo · Screening · other guideline: 19 CFR, Chapter I, Sec. 173.40 as amended in Federal Register. Vol. 37, No. 57, March 23, 1972. according to - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Eye Irrit. 2
Eye Irritation · Authoritative - Serious eye damage/eye irritation - Category 2
Eye Irritation · Screening - Category 2A
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Randomly cross-linked amphiphilic copolymer networks of n-butyl acrylate and N,N-dimethylacrylamide: synthesis and characterization · 2024
- n‐Butylacrylat [MAK Value Documentation in German language, 2017] · 2017
- Chronic pulmonary dysfunction following acute inhalation of butyl acrylate. · 2012
- Implementation of Specific Bioconjugation in Polystyrene‐block‐poly(tert‐butyl acrylate)‐Based Bio‐Interfaces · 2010
- ELECTROSTATIC ABSORPTION OF AZO INITIATOR ONTO TiO_2 PARTICLES AND in situ ANCHORING POLYMERIZATION OF BUTYL ACRYLATE FROM MODIFIED TiO_2 · 2009
Linked databases 18
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- IARC carcinogen classification
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese