Ingredient Dictionary

6-METHYLQUINOLINE

6-methylquinoline is a member of quinolines.

Definition

6-methylquinoline is a member of quinolines.

Source: PubChem

US FDA substance register · UNII K14453I13N · registered name 6-METHYLQUINOLINE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives 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)

More data — names, identifiers, properties, test records, literature

Names & identifiers

6-METHYLQUINOLINEINCIQuinoline, 6-methyl-Synonym

CAS No.chemical registry number: 91-62-3
EC No.EU chemical inventory number: 202-084-6
DTXSIDUS EPA chemical ID: DTXSID3020887
DTXCIDUS EPA compound ID: DTXCID50887

IUPAC: 6-Methylquinoline
Molecular formula: C10H9N
Molecular weight: 143.189 g/mol

Measured properties

Appearance: 6-methylquinoline appears as clear pale yellow liquid or oil. (NTP, 1992) · Liquid
Boiling point: 497.5 °F at 760 mmHg (NTP, 1992) · 259.00 to 261.00 °C. @ 760.00 mm Hg
Melting point: -8 °F (NTP, 1992) · -22 °C
Solubility: less than 1 mg/mL at 63 °F (NTP, 1992) · Soluble in benzene and ether, Slightly soluble in water
Density: 1.0654 at 68 °F (NTP, 1992) - Denser than water, will sink · 1.060-1.066
Melting/freezing point: -22 ℃
Initial boiling point and range: 257~259 ℃
Flash point: &amp, gt, 110 ℃
Upper/lower flammability or explosive limits: %
Relative density: 1.066 g/cm3 (at 20 C)
n-Octanol/water partition coefficient (Kow): 2.57
Molecular weight: 143.19 (est.)

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 5 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.

Fragrance3
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 1 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 2 studies

Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 6.4A (Category 2A)
Eye Irritation · Read Across