How much products actually contain
No product states its amount yet.
Of the products containing it, 0 list it before the 1% line and 5 after it (usually 1% or less).
Products using this ingredient
5 of 5 confirmed · likeliest to carry enough first
Definition
US FDA substance register · UNII L8S6UBW552 · registered name 3-(TRIETHOXYSILYL)PROPYLAMINE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name アミノプロピルトリエトキシシラン: 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
- 919-30-2
- EC No.EU chemical inventory number
- 213-048-4
- DTXSIDUS EPA chemical ID
- DTXSID2027333
- DTXCIDUS EPA compound ID
- DTXCID407333
- IUPAC
- 3-(Triethoxysilyl)propan-1-amine
- Molecular formula
- C9H23NO3Si
- Molecular weight
- 221.372 g/mol
Measured properties
- Appearance
- Liquid, Dry Powder · Liquid, [HSDB] Colorless or light yellow liquid with a fishy odor, [CHEMINFO] Clear colorless liquid, [MSDSonline]
- Boiling point
- 217 °C · 217 °C @760 [mm Hg]
- Melting point
- -70 °C
- Density
- 0.94 at 25 °C · Density = 0.9506 g/cu m at 20 °C
- Initial boiling point and range
- 223 ℃
- Flash point
- 98 ℃(c.c.)
- Flammability (solid, gas)
- flammable
- Vapour pressure
- 2 ㎩ (at 20℃)
- Water solubility
- (1.86E+005mg/L at 25℃, est.)
- Vapour density
- 7.7
- Relative density
- 0.95 (at 20℃)
- n-Octanol/water partition coefficient (Kow)
- -2.9 (at 20℃)
- Auto-ignition temperature
- 270 ℃ (@ 100.93-101.07 kPa)
- Molecular weight
- 221.42
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 73 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.
- Adhesion/cohesion promoter44
- Chemical reaction regulator11
- Hardener6
- Processing aids not otherwise specified3
- Intermediate2
- Plating agent1
- Surfactant (surface active agent)1
- Thickening agent1
4 other uses
- Filler1
- Monomers1
- Wetting agent (non-aqueous)1
- Surface modifier1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
9 skin studies and 5 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 14 studies
- Category 8.2C (Category 1C)
Skin Irritation · Read Across - Corrosive
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) (according to SIAR, 2003) according to - Skin corrosion/irritation - Category 1
Skin Irritation · Screening - Category 1
Skin Irritation · Screening - Category 1
Skin Sensitization · Screening - Skin Corr. 1B
Skin Irritation · Authoritative - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - High Frequency of Sensitization
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) (though not explicitly stated) - Corrosive
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to - Category 8.3A (Category 1)
Eye Irritation · Read Across - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to - Serious eye damage/eye irritation - Category 1
Eye Irritation · Screening - Category 1
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Optimizing magnetic hyperthermia for melanoma: the role of nanoparticle uptake inhibition · 2025
- Tactile corpuscle-inspired piezoresistive sensors based on (3-aminopropyl) triethoxysilane-enhanced CNPs/carboxylated MWCNTs/cellulosic fiber composites for textile electronics. · 2024
- Analysis of human epidermal growth factor receptor 2 interaction on aptamer‐probed interdigitated electrode for breast cancer diagnosis · 2024
- Dilute Polymerization of Aniline on PDMS Substrate via Surface Modification Using (3-Aminopropyl)Triethoxysilane for Stretchable Strain Sensor · 2022
- Ultrathin Modified Silica “Skin” for the Transfer Hydrogenation Catalyst: Improving Selectivity by Adjusting Surface Wettability · 2021
Linked databases 19
- Australian Industrial Chemicals Inventory (AICIS)
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem
- 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 · Chinese