Ingredient Dictionary

BENZOTRIAZOLE

Benzotriazole is the simplest member of the class of benzotriazoles that consists of a benzene nucleus fused to a 1H-1,2,3-triazole ring.

Definition

Benzotriazole is the simplest member of the class of benzotriazoles that consists of a benzene nucleus fused to a 1H-1,2,3-triazole ring. It has a role as a xenobiotic and an environmental contaminant.

Source: PubChem

US FDA substance register · UNII 86110UXM5Y · registered name Benzotriazole · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Inhibits microbial growthANTIMICROBIAL

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 · SCCS opinion: Opinion concerning Azole Antimycotic Resistance

Source: EU CosIng ingredient list

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

Names & identifiers

BENZOTRIAZOLEINCI벤조트라이아졸Korean label name (MFDS standard)1H-BenzotriazoleSynonym

CAS No.chemical registry number: 95-14-7
EC No.EU chemical inventory number: 202-394-1
DTXSIDUS EPA chemical ID: DTXSID6020147
DTXCIDUS EPA compound ID: DTXCID00147

IUPAC: 1H-1,2,3-Benzotriazole
Molecular formula: C6H5N3
Molecular weight: 119.127 g/mol

Measured properties

Appearance: solid
Melting/freezing point: 98.5 ℃
Initial boiling point and range: 204 ℃(@ 2 kPa)
Flash point: 190~195 ℃ (o.c.)
Flammability (solid, gas): combustible
Vapour pressure: 5 ㎩ (@ 20 ℃)
Water solubility: 19800 ㎎/ℓ (@ 25 ℃)
Vapour density: 4.11
Relative density: 1.4 (@ 20 ℃)
n-Octanol/water partition coefficient (Kow): 1.44
Auto-ignition temperature: 210 ℃
Molecular weight: 119.13

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 46 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.

Preservative17
Corrosion inhibitor9
UV stabilizer5
Lubricating agent3
Intermediate2
Stabilizing agent2
Plating agent1
Defoamer1

6 other uses

Anti-freeze agent1
Pharmaceutical (EPA)1
Processing aids not otherwise specified1
Anti-scaling agent1
Biocide1
Cleaning agent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 2 eye studies are on record.

Classed as low3

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 6 studies

Not classified
Skin Irritation · Screening
Classification not possible
Skin Sensitization · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation)
Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Category 2
Eye Irritation · Screening