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133477

Sigma-Aldrich

1-Amino-2-naphthol hydrochloride

technical grade, 90%

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About This Item

Linear Formula:
H2NC10H6OH · HCl
CAS Number:
1198-27-2
Molecular Weight:
195.65
EC Number:
214-830-8
MDL number:
MFCD00012561
UNSPSC Code:
12352100
PubChem Substance ID:
24848110
NACRES:
NA.22

grade

technical grade

Assay

90%

form

crystals

mp

250 °C (dec.) (lit.)

SMILES string

Cl.Nc1c(O)ccc2ccccc12

InChI

1S/C10H9NO.ClH/c11-10-8-4-2-1-3-7(8)5-6-9(10)12;/h1-6,12H,11H2;1H

InChI key

DEKREBCFNLUULC-UHFFFAOYSA-N

General description

1-Amino-2-naphthol undergoes condensation with methylene-substituted azaheterocycles in presence of an oxidizing agent to yield photochromic spirooxazines.

Application

1-Amino-2-naphthol hydrochloride was used in a study on degradation of the azo dye Acid Orange 7 in batch anaerobic unstirred assay.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

133477-BULK:
133477-1G:
133477-5G:
133477-VAR:

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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Yang Mu et al.
Environmental science & technology, 43(13), 5137-5143 (2009-08-14)
Azo dyes are ubiquitously used in the textile industry. These dyes need to be removed from the effluent prior to discharge to sewage due to their intense color and toxicity. In this study we investigated the use of a bioelectrochemical
Anita Sztojkov-Ivanov et al.
Journal of separation science, 28(18), 2505-2510 (2006-01-13)
The enantiomers of 1-(alpha-aminobenzyl)-2-naphthol and 2-(alpha-aminobenzyl)-1-naphthol analogs were separated isothermally on a cellulose-tris-3,5-dimethylphenyl carbamate-based chiral stationary phase (Chiralcel OD-H), at 10 degrees C increments in the range of 5-35 degrees C, using n-hexane/2-propanol/diethylamine as mobile phase. The mobile phase composition
Anaerobic treatment of azo dye Acid Orange 7 under batch conditions.
Mendez-Paz D, et al.
Enzyme and Microbial Technology, 36(2), 264-272 (2005)
Synthesis of photochromic spirooxazines from 1-amino-2-naphthols
Lokshin V, et al.
Tetrahedron, 53(28), 9669-9678 (1997)
D Dillon et al.
Mutagenesis, 9(4), 295-299 (1994-07-01)
D & C Red No. 9 is a monoazo dye used for manufacturing printing inks, rubber and plastics, and as an additive in cosmetics and drugs. In an NTP carcinogenicity study in rats and mice it induced splenic sarcomas and
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