Propan-2-ol is a secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group.
How much products actually contain
No product states its amount yet.
Of the products containing it, 2,183 list it before the 1% line and 280 after it (usually 1% or less).
Products using this ingredient
12 of 2,459 confirmed · likeliest to carry enough first · See all 2,459
ColourPopColourPop Later Hater Spot Treatment
ORLYORLY NO BITE
CortheCorthe Dermo Pure Spot for Night
DgelHealing Potion
ORLYORLY BONDER
ORLYORLY BONDER 4oz
ORLYORLY BONDER 8oz
ORLYORLY Harry Potter™ Dark Arts Crackle Topper
ORLYORLY SHINING ARMOR
Holo TacoHolo Taco Bonus Life
Holo TacoHolo Taco Glossy Taco™
TitaniaFoot Odor Spray 200ml
Definition
Propan-2-ol is a secondary alcohol that is propane in which one of the hydrogens attached to the central carbon is substituted by a hydroxy group. It has a role as a protic solvent. It is a secondary fatty alcohol and a secondary alcohol.
Source: PubChem
US FDA substance register · UNII ND2M416302 · registered name Isopropyl alcohol · 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
Reviewed by CIR: Final Report of the Cosmetic Ingredient Reveiw Expert Panel on the Safety Assessment of Methyl Acetate
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name イソプロパノール: 本品は、次の化学式で表される脂肪族アルコールである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 67-63-0
- EC No.EU chemical inventory number
- 200-661-7
- DTXSIDUS EPA chemical ID
- DTXSID7020762
- DTXCIDUS EPA compound ID
- DTXCID50762
- IUPAC
- Propan-2-ol
- Molecular formula
- C3H8O
- Molecular weight
- 60.096 g/mol
Measured properties
- Appearance
- liquid
- Colour
- colourless
- Melting/freezing point
- -89.5 ℃
- Initial boiling point and range
- 82.3 ℃
- Flash point
- 23 ℃
- Upper/lower flammability or explosive limits
- 12 / 2 %
- Vapour pressure
- 45.4 ㎜Hg(25℃)
- Water solubility
- 100 g/100㎖
- Relative density
- 0.79
- n-Octanol/water partition coefficient (Kow)
- 0.05
- Auto-ignition temperature
- 456 ℃
- Viscosity
- 2.1 cP(25℃)
- Molecular weight
- 60.0952
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 522 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.
- Solvent228
- Solubility enhancer157
- Biocide39
- Cleaning agent11
- Surfactant (surface active agent)9
- Defoamer7
- Processing aids not otherwise specified7
- Fragrance6
25 other uses
- Degradant/impurity (EPA)5
- Viscosity modifier5
- Pigment4
- Corrosion inhibitor4
- Wetting agent (non-aqueous)4
- Intermediate4
- Flavouring and nutrient3
- Anti-adhesive/cohesive3
- Soil amendments3
- Diluent2
- Demulsifier2
- Surface modifier2
- No specific technical function2
- Fuel2
- Emulsifier2
- Lubricating agent2
- Stabilizing agent1
- Dispersing agent1
- Catalyst1
- Insulators1
- Flux agent1
- Chemical reaction regulator1
- Sealant (barrier)1
- Drier1
- Adhesion/cohesion promoter1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
4 skin studies and 6 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 10 studies
- Category 6.3B (Category 3)
Skin Irritation · Read Across - Not classified
Skin Irritation · Screening - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - Classification not possible
Skin Sensitization · Screening - Category 2
Eye Irritation · Screening - Eye Irrit. 2
Eye Irritation · Authoritative - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Eye Irrit. 2
Eye Irritation · Screening - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to - Serious eye damage/eye irritation - Category 2
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
- Isopropyl Alcohol in Bleb Revision: A Novel Approach for Aesthetic and Functional Success · 2025
- Chlorhexidine With Isopropyl Alcohol Versus Iodine Povacrylex With Isopropyl Alcohol and Alcohol- Versus Nonalcohol-Based Skin Preparations: The Incidence of and Readmissions for Surgical Site Infections After Colorectal Operations · 2015
- Comparison of disinfective power according to application order of 70% isopropyl alcohol and 10% povidone-iodine · 2013
- Botulinum Toxin Type A Injection Without Isopropyl Alcohol Antisepsis · 2009
- Isopropyl Alcohol Compared with Isopropyl Alcohol plus Povidone-Iodine as Skin Preparation for Prevention of Blood Culture Contamination · 2008
Linked databases 22
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- IARC carcinogen classification
- 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 Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese