Ingredient Dictionary

ISOPROPYL ALCOHOL

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

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

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Adjusts thicknessVISCOSITY CONTROLLINGBase that dissolves other ingredientsSOLVENTRemoves unwanted foamANTIFOAMINGGives the product a scentPERFUMING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

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

Source: US Cosmetic Ingredient Review (CIR)

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

ISOPROPYL ALCOHOLINCI아이소프로필알코올Korean label name (MFDS standard)2-PropanolSynonymイソプロパノールJapanese labelling name

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.

Classed as low2

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