What is the NOAEL for C.I. Acid Blue 9?
C.I. Acid Blue 9 has 5 NOAEL studies in the database. The lowest reported value is 88.3 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
NOAEL Data
REACH Registered
Cosmetic Ingredient
C.I. Acid Blue 9
Also known as: A.F. Blue No. 1, C.I. Direct Brown 78, C.I. Direct Brown 78, Diammonium Salt, H.K. Formula No. K. 7117, Acid Blue 9 (+15 more)
CAS 2650-18-2
C.I. Acid Blue 9 (CAS 2650-18-2) is a chemical substance. Key regulatory status: REACH registered, 11 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
View cosmetic safety profile for Acid Blue 9 Ammonium Salt →
SOURCE
noael studies public
NOAEL studies
5
SOURCE
chemical inventory jurisdictions
Regulatory lists
11
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
26 fields
Name
C.I. Acid Blue 9
CAS Number
2650-18-2
DTXSID
DTXSID4034310
Molecular Formula
C37H36N2O9S3.2H3N
InChI Key
HMEKVHWROSNWPD-UHFFFAOYSA-N
Monoisotopic Mass
782.211392
Synonyms
A.F. Blue No. 1C.I. Direct Brown 78C.I. Direct Brown 78, Diammonium SaltH.K. Formula No. K. 7117Acid Blue 9Acilan Turquoise Blue AEAF Blue No. 1Aizen Brilliant Blue FCFTortrazine C extraAmacid Blue FG ConcBleu Brilliant FCFBrilliant Blue Lake
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
15 records
Dye
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
11 records
| List | Keyword | Source |
|---|---|---|
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | State of California | State of California |
| active_ingredient; Pesticides | California Department of Pesticide Regulation | State of California |
| Europe; Personal care - hair coloring | Danish Environmental Protection Agency | Danish EPA |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 5 of 5 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =88.3 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| 86R7G3C26F | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 86R7G3C26F | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 86R7G3C26F | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 86R7G3C26F | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 5 of 5 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Diammonio(ethyl)[4-[[4-[ethyl(3-sulphonatobenzyl)amino]phenyl](2-sulphonatophenyl)methylene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium | 220-168-0 | ECHA 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
Colorant
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
CHEMBL3188729
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
Frequently Asked Questions
What regulatory lists include C.I. Acid Blue 9?
C.I. Acid Blue 9 appears on 3 regulatory/inventory lists including active_ingredient; Pesticides, Europe; Personal care - hair coloring, inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.
Is C.I. Acid Blue 9 used in cosmetics?
Yes, C.I. Acid Blue 9 is also indexed as a cosmetic ingredient under the name Acid Blue 9 Ammonium Salt. 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 C.I. Acid Blue 9 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.
Is C.I. Acid Blue 9 used outside industrial chemicals?
C.I. Acid Blue 9 also appears in cosmetics, pharmaceutical databases.