NOAEL Data REACH Registered Cosmetic Ingredient

Hydroxylamine sulfate (2:1)

Also known as: EINECS 233-118-8, UNII-49KP498D4O

CAS 10039-54-0

Hydroxylamine sulfate (2:1) (CAS 10039-54-0) is a chemical substance. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.

View cosmetic safety profile for Hydroxylamine Sulfate →

SOURCE noael studies public
NOAEL studies
15
SOURCE chemical inventory jurisdictions
Regulatory lists
1
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 8 fields
Name
Hydroxylamine sulfate (2:1)
CAS Number
10039-54-0
DTXSID
DTXSID2025424
Molecular Formula
2H4NO.H2O4S
InChI Key
VGYYSIDKAKXZEE-UHFFFAOYSA-L
Monoisotopic Mass
166.025957
Synonyms
EINECS 233-118-8UNII-49KP498D4O

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records
FieldValue
Short-term EffectsThe substance is irritating to the eyes and skin. The substance may cause effects on the blood. This may result in the formation of methaemoglobin.
Long-term EffectsRepeated or prolonged contact may cause skin sensitization. The substance may have effects on the blood. This may result in anaemia.
Routes of ExposureThe substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 7 records
AntioxidantChemical reaction regulatorUV stabilizer

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records
ListKeywordSource
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 15 of 15 studies
ValueUnitEndpointRouteSpeciesSource
210minBreakthrough TimeDermal-NTP_ICE_skin_irritation
=0.008mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
49KP498D4OUNIIFDA UNII substance identifier--openFDA substances
49KP498D4OUNIIFDA UNII substance identifier--openFDA substances
49KP498D4OUNIIFDA UNII substance identifier--openFDA substances
49KP498D4OUNIIFDA UNII substance identifier--openFDA substances
1unitlessGHS classificationDermalRabbitNTP_ICE_skin_irritation
=0.2mg/kg bw/dayLOAELoralRatToxValDB_ECHA_IUCLID
=0.4mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
>0.9mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=3mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
>=20mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
>=21mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=25ppmNOAELoralRatToxValDB_ECHA_IUCLID
=100ppmNOAELoralRatToxValDB_ECHA_IUCLID

Showing 15 of 15 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredBis(hydroxylammonium) sulphate233-118-8ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Antioxidant
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for Hydroxylamine sulfate (2:1)?

Hydroxylamine sulfate (2:1) has 15 NOAEL studies in the database. The lowest reported value is 0.008 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Hydroxylamine sulfate (2:1)?

Hydroxylamine sulfate (2:1) appears on 1 regulatory/inventory list including Indirect additives food contact (10/2018). Source: EPA CPDat.

Is Hydroxylamine sulfate (2:1) used in cosmetics?

Yes, Hydroxylamine sulfate (2:1) is also indexed as a cosmetic ingredient under the name Hydroxylamine Sulfate. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Hydroxylamine sulfate (2:1) come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does Hydroxylamine sulfate (2:1) have different safety status in cosmetics vs industrial chemicals?

Hydroxylamine sulfate (2:1) is classified GHS Danger (H290, H302, H312, H315, H317, H319, H351, H373) in the chemicals database but is allowed in EU cosmetics.

Is Hydroxylamine sulfate (2:1) used outside industrial chemicals?

Hydroxylamine sulfate (2:1) also appears in cosmetics databases.