Ingredient Dictionary

BENZOTHIAZOLE

Benzothiazole is an organic heterobicyclic compound that is a fusion product between benzene and thiazole.

Definition

Benzothiazole is an organic heterobicyclic compound that is a fusion product between benzene and thiazole. The parent of the class of benzothiazoles. It has a role as a xenobiotic, a plant metabolite and an environmental contaminant.

Source: PubChem

US FDA substance register · UNII G5BW2593EP · registered name BENZOTHIAZOLE · 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

BENZOTHIAZOLEINCI

CAS No.chemical registry number: 95-16-9
EC No.EU chemical inventory number: 202-396-2
DTXSIDUS EPA chemical ID: DTXSID7024586
DTXCIDUS EPA compound ID: DTXCID204586

IUPAC: 1,3-Benzothiazole
Molecular formula: C7H5NS
Molecular weight: 135.18 g/mol

Measured properties

Appearance: liquid
Melting/freezing point: 2 ℃
Initial boiling point and range: 231 ℃
Flash point: 107 ℃(calc., c.c.)
Flammability (solid, gas): flammable
Vapour pressure: 0.014 ㎜Hg (@ 25 ℃, est.)
Water solubility: 4300 ㎎/ℓ (@ 25 ℃)
Vapour density: 4.66
Relative density: 1.246 (at 20 ℃)
n-Octanol/water partition coefficient (Kow): 2.01
Auto-ignition temperature: 565 ℃
Molecular weight: 135.19

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 9 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.

Fragrance4
Flavouring and nutrient3
Brightener1
Intermediate1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

5 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 7 studies

Classification not possible
Skin Sensitization · Screening
Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
SkinSens1
Skin Sensitization · QSAR Predicted
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Category 3
Skin Irritation · Screening
Category 2B
Eye Irritation · Screening
Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to