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418943

Sigma-Aldrich

2,2′-[4-(2-Hydroxyethylamino)-3-nitrophenylimino]diethanol

98%

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About This Item

Linear Formula:
HOCH2CH2NHC6H3(NO2)N(CH2CH2OH)2
CAS Number:
33229-34-4
Molecular Weight:
285.30
EC Number:
251-410-3
MDL number:
MFCD00071762
UNSPSC Code:
12352100
PubChem Substance ID:
24866251
NACRES:
NA.22

Assay

98%

mp

108-111 °C (lit.)

solubility

water: soluble(lit.)

SMILES string

OCCNc1ccc(cc1[N+]([O-])=O)N(CCO)CCO

InChI

1S/C12H19N3O5/c16-6-3-13-11-2-1-10(9-12(11)15(19)20)14(4-7-17)5-8-18/h1-2,9,13,16-18H,3-8H2

InChI key

MIWUTEVJIISHCP-UHFFFAOYSA-N

General description

2,2′-[4-(2-Hydroxyethylamino)-3-nitrophenylimino]diethanol (HC Blue No.2) is a water-soluble purple dye.

Application

2,2′-[4-(2-Hydroxyethylamino)-3-nitrophenylimino]diethanol may be employed to improve the visibility of self-healing ureidopyrimidinone (UPy) hydrogel (poly(ethylene glycol) containing bifunctional UDP groups).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Self-Healing Supramolecular Polymers In Action.
van Gemert GML, et al.
Macromolecular Chemistry and Physics, 213(2), 234-242 (2012)
Species comparisons regarding comparative metabolism of two structurally similar phenylenediamines (HC Blue 1 and HC Blue 2).
F Kari et al.
Progress in clinical and biological research, 340D, 305-314 (1990-01-01)
HC Blue No. 2.
IARC monographs on the evaluation of carcinogenic risks to humans, 57, 143-151 (1993-01-01)
T J Oberly et al.
Mutation research, 241(2), 151-159 (1990-06-01)
The hair-dye ingredients, HC Blue No. 1 (HCB1) and HC Blue No. 2 (HCB2), were tested for the induction of bacterial mutation using Salmonella typhimurium strains TA1535, TA1537, TA98 and TA100; and Escherichia coli strains WP2uvrA-. In addition, both dyes
L E Hill et al.
Mutation research, 241(2), 145-150 (1990-06-01)
2 hair dyes, HC Blue No. 1 and HC Blue No. 2, were evaluated for the in vitro induction of unscheduled DNA synthesis (UDS) in primary hepatocytes of rat, mouse, hamster, rabbit and monkey. NC Blue No. 1, which is
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