NOAEL Data REACH Registered Cosmetic Ingredient

Hexadecyl dihydrogen phosphate

Also known as: EINECS 222-581-1, UNII-VT07D6X67O

CAS 3539-43-3

Hexadecyl dihydrogen phosphate (CAS 3539-43-3) 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.

View cosmetic safety profile for Cetyl Phosphate →

SOURCE noael studies public
NOAEL studies
4
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
Hexadecyl dihydrogen phosphate
CAS Number
3539-43-3
DTXSID
DTXSID1045039
Molecular Formula
C16H35O4P
InChI Key
ZUVCYFMOHFTGDM-UHFFFAOYSA-N
Monoisotopic Mass
322.227297
Synonyms
EINECS 222-581-1UNII-VT07D6X67O

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Surfactant (surface active agent)Emulsifier

Regulatory Lists

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

SOURCE EPA CPDat 1 records
ListKeywordSource
inert_ingredient; non_food_use; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
VT07D6X67OUNIIFDA UNII substance identifier--openFDA substances
VT07D6X67OUNIIFDA UNII substance identifier--openFDA substances
VT07D6X67OUNIIFDA UNII substance identifier--openFDA substances
VT07D6X67OUNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredHexadecyl dihydrogen phosphate222-581-1ECHA 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
6%
Category
sunscreen
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL HEXADECYL DIHYDROGEN PHOSPHATE
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for Hexadecyl dihydrogen phosphate?

Hexadecyl dihydrogen phosphate has 4 NOAEL studies in the database. The lowest reported value is VT07D6X67O UNII. Source: openFDA substances.

What regulatory lists include Hexadecyl dihydrogen phosphate?

Hexadecyl dihydrogen phosphate appears on 1 regulatory/inventory list including inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.

Is Hexadecyl dihydrogen phosphate used in cosmetics?

Yes, Hexadecyl dihydrogen phosphate is also indexed as a cosmetic ingredient under the name Cetyl Phosphate. 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 Hexadecyl dihydrogen phosphate come from?

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

Does Hexadecyl dihydrogen phosphate have different safety status in cosmetics vs industrial chemicals?

Hexadecyl dihydrogen phosphate is classified GHS Danger (H315, H318) in the chemicals database but is allowed in EU cosmetics at max 6%.

Is Hexadecyl dihydrogen phosphate used outside industrial chemicals?

Hexadecyl dihydrogen phosphate also appears in cosmetics, pharmaceutical databases.