What is this ingredient?

미국 FDA 물질 등록 · UNII 3IY7CNP8XJ · 등록명 Hydrobromic acid · 단일 화학물질

All ingredients

Ingredient Dictionary

HYDROBROMIC ACID

Bromine atom is a halogen.

Definition

US FDA substance register · UNII 3IY7CNP8XJ · registered name Hydrobromic acid · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Bromine atom is a halogen. It has a role as a micronutrient.

Source: PubChem

Cosmetic roles

Keeps pH steadyBUFFERING

Safety & regulatory references

Korea’s toxic-substance GHS classification: Danger · H280 (category 2) · H331 (category 3) · H314 (category 1A) · +1 more

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

HYDROBROMIC ACIDINCI하이드로브로믹애씨드Korean label name (MFDS standard)

CAS No.chemical registry number: 10035-10-6
EC No.EU chemical inventory number: 233-113-0
DTXSIDUS EPA chemical ID: DTXSID0029713
DTXCIDUS EPA compound ID: DTXCID809713

IUPAC: Hydrogen bromide
Molecular formula: BrH
Molecular weight: 80.912 g/mol

Measured properties

Appearance: Hydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue. · Hydrogen bromide, anhydrous appears as a colorless gas with a pungent irritating odor. Corrosive. Heavier than air. Prolonged exposure to fire or intense heat may result in the violent rupture and rocketing of the container. Long-term exposure to low concentrations or short-term exposure to high concentrations can result in adverse health effects from inhalation. Used to make other chemicals and a
Odour: Sharp, irritating odor · Acrid odor
Boiling point: -88.2 °F at 760 mmHg (USCG, 1999) · -66.38 °C
Melting point: -124 °F (NIOSH, 2024) · -86.80 °C
Solubility: 49 % (NIOSH, 2024) · 221 g/100 cc water at 0 °C, 130 g/100 cc water at 100 °C
Density: 2.14 at -88.6 °F (USCG, 1999) - Denser than water, will sink · 3.307 g/L
Stability: Stable under recommended storage conditions.
Colour: colourless
pH: 1
Melting/freezing point: -87 ℃
Initial boiling point and range: -67 ℃
Vapour pressure: 2445 ㎪(20℃)
Water solubility: 193 g/100㎖(20℃)
Relative density: 3.6051
n-Octanol/water partition coefficient (Kow): 0.629 (at 25℃)
Molecular weight: 80.9119

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 7 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.

Intermediate3
Flux agent1
Plating agent1
Catalyst1
pH regulating agent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

6 skin studies and 3 eye studies are on record.

Classed as highly irritating1

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 9 studies

Classification not possible
Skin Sensitization · Screening
Category 1A-1C
Skin Irritation · Screening
Skin corrosion/irritation - Category 1
Skin Irritation · Screening
Skin Corr. 1A
Skin Irritation · Authoritative
Skin Corr. 1A
Skin Irritation · Screening
Category 8.2B (Category 1B)
Skin Irritation · Read Across
Category 1
Eye Irritation · Screening
Eye Dam. 1
Eye Irritation · Screening
Category 8.3A (Category 1)
Eye Irritation · Read Across