Ingredient Dictionary

HYDROXYLAMINE HCL

Hydroxylamine hydrochloride is an organic molecular entity.

Definition

Hydroxylamine hydrochloride is an organic molecular entity.

Source: PubChem

US FDA substance register · UNII 5X4ZA62Z4Q · registered name Hydroxylamine hydrochloride · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Hydroxylamine HCl is the amine salt that conforms to the formula:

Cosmetic roles

Slows spoilage by oxygenANTIOXIDANT

Safety & regulatory references

Banned: ASEAN · European Union

Source: MFDS (Korea) cosmetic regulatory information

Korea’s toxic-substance GHS classification: Danger · H311 (category 3) · H317 (category 1) · H318 (category 1) · +6 more

Source: Korea toxic substances GHS register (NIER)

Restriction II/1506

Source: EU CosIng ingredient list

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

Names & identifiers

HYDROXYLAMINE HCLINCI하이드록실아민에이치씨엘Korean label name (MFDS standard)Hydroxylamine, hydrochlorideSynonym

CAS No.chemical registry number: 5470-11-1
EC No.EU chemical inventory number: 226-798-2
DTXSIDUS EPA chemical ID: DTXSID7025425
DTXCIDUS EPA compound ID: DTXCID501476239

IUPAC: Hydroxyammonium chloride
Molecular formula: ClH4NO
Molecular weight: 69.49 g/mol

Measured properties

Odour: odourless
pH: 3 (2.5~3.5)
Melting/freezing point: 158 ℃
Vapour pressure: 0.000021 hPa
Water solubility: 470 g/ℓ
Relative density: 1.7
Molecular weight: 69.5

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 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.

Fuel2
Processing aids not otherwise specified1
Antioxidant1
Bleaching agent1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

8 skin studies and 4 eye studies are on record.

Classed as moderate2

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 12 studies

Skin Sens. 1
Skin Sensitization · Authoritative
Skin Irrit. 2
Skin Irritation · Authoritative
Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 6.5B (Category 1)
Skin Sensitization · Read Across
High Frequency of Sensitization
skin sensitisation · Screening · according to other guideline:
Category 1
Skin Sensitization · Screening
Category 2
Skin Irritation · Screening
Category 6.3B (Category 3)
Skin Irritation · Read Across
Category 2A-2B
Eye Irritation · Screening
Eye Irrit. 2
Eye Irritation · Authoritative
Category 6.4A (Category 2A)
Eye Irritation · Read Across
Severe Irritation
eye irritation: in vivo · Screening · other guideline: no guideline followed