Basic information
- Standard SMILES
O=[N+]([O-])c1ccccc1NCCO- InChIKey
LFOUYKNCQNVIGI-UHFFFAOYSA-N- Molecular formula
- C8H10N2O3
- Average molar mass
- 182.18 g/mol
- Monoisotopic mass
- 182.06914218
Overview
The CIR Expert Panel concludes that HC Yellow No. 2 is safe for use in hair dyes at concentrations up to 3%. The limitation on the concentration is based upon the available clinical sensitization data.
Names & identifiers
- Preferred name
- HC Yellow No. 2
- IUPAC
- 2-(2-nitroanilino)ethanol
- English name
- 2-Nitro-N-hydroxyethyl aniline
- Molecular formula
- C8H10N2O3
- Molecular weight
- 182.18
Names & synonyms
Show more names
Database identifiers
- CAS
4926-55-0- PubChem CID
- 78637
- DTXSID
DTXSID0063650- UNII
- 9FVT2KMV9O
- EC Number
- 225-555-8
- Nikkaji
- J262.526A
Properties
Computed structural properties
- XLogP
- 1.5
- Topological polar surface area
- 78.1 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 3
- Heavy atoms
- 13
- Formal charge
- 0
- Complexity
- 169
Experimental & physicochemical properties
Cosmetics
Cosmetic ingredients (HC Yellow No. 2) -> CIR (Cosmetic Ingredient Review)
Hair dyeing
Physicochemical properties
- Melting point
- 71 · 71-73°C
- Boiling point
- 376.6 · 376.6±22.0 °C(Predicted)
- Density
- 1.352 · 1.352±0.06 g/cm3(Predicted)
- vapor pressure
- 0 Pa · 0Pa at 20℃
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Solid
- pka
- 14.6 · 14.60±0.10(Predicted)
- color
- Dark Orange to Red
- Water Solubility
- 1.85 g/L · 1.85g/L at 20℃
- λmax
- 441 nm · 441nm(NaOH aq.)(lit.)
- Cosmetics Ingredients Functions
- HAIR DYEING
- Cosmetic Ingredient Review (CIR)
- 2 · 2-Nitro-N-hydroxyethyl aniline (4926-55-0)
- InChI
- InChI=1S/C8H10N2O3/c11-6-5-9-7-3-1-2-4-8(7)10(12)13/h1-4,9,11H,5-6H2
- InChIKey
- LFOUYKNCQNVIGI-UHFFFAOYSA-N
- SMILES
- C(O)CNC1=CC=CC=C1[N+]([O-])=O
- LogP
- 1.5 at · 1.5 at 20℃
- CAS DataBase Reference
- 4926 · 4926-55-0(CAS DataBase Reference)
- EWG's Food Scores
- 3 · 3-5
- FDA UNII
- 9 FVT2KMV9O · 9FVT2KMV9O
- EPA Substance Registry System
- 2 · Ethanol, 2-[(2-nitrophenyl)amino]- (4926-55-0)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319
- Precautionary statements
- 264 · P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
- Hazard Codes
- Xi
- Hazard Note
- Irritant
- TSCA
- TSCA listed
- HS Code
- 2922290090 · 2922290090
- REACH Registrations
- Active
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 1.2% (1 of 83) of reports.
Warning
H302 (97.6%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P264+P265, P270, P273, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 83 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Warning
Hazard information
Regulatory Information
Chemical: Ethanol, 2-[(2-nitrophenyl)amino]-
REACH registered substance: 2-[(2-nitrophenyl)amino]ethanol (EC: 225-555-8)
Ethanol, 2-[(2-nitrophenyl)amino]-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and Categories
Acute Tox. 4 (97.6%)
Acute toxicity (ingestion) - category 4
Toxicology
Toxicity Summary
The CIR Expert Panel concludes that HC Yellow No. 2 is safe for use in hair dyes at concentrations up to 3%. The limitation on the concentration is based upon the available clinical sensitization data.
Safe for use in cosmetics, with qualifications
Safety data
- tsca
- TSCA listed
- hs_code
- 2922290090
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- hazard_note
- Irritant
- Hazard statements
- H315-H319
- REACH Registrations
- Active
- Precautionary statements
- P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Chemistry & industry
Uses & manufacturing
Applications
Uses2-(2-Nitroanilino)ethanol is used in the preparation of (phenylamino)quinoxalinone derivatives which has been identified as a new class of glycogen phosphorylase inhibitors.
Upstream & downstream products
Upstream raw materials
Suppliers50 total
Related reactions
Linked notes
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