Ingredient Dictionary

POTASSIUM BROMIDE

Potassium bromide is a metal bromide salt with a K(+) counterion.

Definition

Potassium bromide is a metal bromide salt with a K(+) counterion.

Source: PubChem

US FDA substance register · UNII OSD78555ZM · registered name Potassium bromide · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Adjusts thicknessVISCOSITY CONTROLLING

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

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

Names & identifiers

POTASSIUM BROMIDEINCI포타슘브로마이드Korean label name (MFDS standard)Potassium bromide (KBr)Synonym

CAS No.chemical registry number: 7758-02-3
EC No.EU chemical inventory number: 231-830-3
DTXSIDUS EPA chemical ID: DTXSID5025946
DTXCIDUS EPA compound ID: DTXCID905946

IUPAC: Potassium bromide
Molecular formula: BrK
Molecular weight: 119.002 g/mol

Measured properties

Appearance: Potassium bromide appears as odorless colorless crystals or white crystalline powder or white granular solid with a pungent bitter saline taste. Aqueous solutions are neutral (pH about 7). (NTP, 1992) · Colorless or white solid, Slightly hygroscopic, [HSDB] White odorless powder, [MSDSonline]
Odour: Odorless
Boiling point: 2615 °F at 760 mmHg (NTP, 1992) · 1435 °C
Melting point: 1346 °F (NTP, 1992) · 730 °C
Solubility: greater than or equal to 100 mg/mL at 59 °F (NTP, 1992) · In water, 67.8 g/100 g at 25 °C
Density: 2.75 at 77 °F (NTP, 1992) - Denser than water, will sink · 2.74 g/cu cm at 25 °C
Stability: Stable under recommended storage conditions.
pH: The aqueous solution is neutral.
Initial boiling point and range: &amp, gt, 100 ℃
Vapour density: 0.62 ()
Relative density: 1.0 ()

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 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.

Heat stabilizer3
Processing aids not otherwise specified3
Chemical reaction regulator1
Viscosity modifier1
Cleaning agent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 2 eye studies are on record.

Classed as low1

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 5 studies

Category 6.5B (Category 1)
Skin Sensitization · Read Across
Category 6.3A (Category 2)
Skin Irritation · Read Across
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across
Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to