19381-50-1

Basic information

• Product Name: Acid Green 1
• Synonyms: abcolnaptholgreenb;c.i.pigmentgreen12;dandcgreen1;extdandcgreenno.1;ferrate(3-),tris(5,6-dihydro-5-(hydroxyimino)-6-oxo-2-naphthalenesulfonato(2-);ferrate(3-),tris[5,6-dihydro-5-(hydroxyimino)-6-oxo-2-naphthalenesulfonato(2-);Iron,tris[5,6-dihydro-5-(hydroxyimino)-6-oxo-2-naphthalenesulfonato-O5,O6]-,trisodiumsalt;naptholgreenb
• CAS NO: 19381-50-1
• Molecular Formula: C30H15FeN3Na3O15S3
• Molecular Weight: 878.46
• EINECS: 243-010-2
• Product Categories: Organometallics;Classes of Metal Compounds;Fe (Iron) Compounds;Transition Metal Compounds
• Mol File: 19381-50-1.mol
• Article Data: 0

Chemical Properties

• Appearance: Dark green/Crystalline Powder
• Storage Temp.: Store at +5°C to +30°C.
• Solubility: 160g/l
• Water Solubility: 30 mg/mL
• Stability: Stable. Incompatible with strong oxidizing agents.
• CAS DataBase Reference: Acid Green 1(CAS DataBase Reference)
• NIST Chemistry Reference: Acid Green 1(19381-50-1)
• EPA Substance Registry System: Acid Green 1(19381-50-1)

Safety Data

• Safety Statements: 22-24/25
• WGK Germany: 3
• RTECS: LJ8930000
• TSCA: Yes
• Hazardous Substances Data: 19381-50-1(Hazardous Substances Data)

Usage

Chemical Properties

dark green to black powder

Uses

Naphthol Green B (CAS# 19381-50-1) is an organometallic dye which persists in wastewater as a pollutant. Various methods for the removal of Naphthol Green B, including hydrogen peroxide treatments, and the more complex use of magnetic halloysite-iron oxide nanocomposite. Dyes and metabolites, Environmental Testing

Definition

ChEBI: An organic sodium salt composed of iron(3+), sodium and 5-(oxidoimino)-6-oxo-5,6-dihydronaphthalene-2-sulfonate ions in a 1:1:3 ratio. Used to stain collagen and animal tissue.

Preparation

6-Hydroxynaphthalene-2-sulfonic acid on nitrosation, and transformed to iron sodium salt.

Properties and Applications

Yellow green. Green powder, to sunlight (infrared light) has excellent absorption and excellent light fastness, in a saturated salt solution in a good solubility and stability. Often in the water as yellow green. Case of concentrated sulfuric acid was yellow brown, diluted yellow. Its aqueous sodium hydroxide as blue green. Mainly used in solar salt industry and wool, silk and nylon fabric dyeing and printing, can also be used for leather dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 7 3 3-4 3-4 4 AATCC 6-7 2-3 3-4 2 4-5

Standard

Light Fastness

Fading

Stain

ISO

7

AATCC

6-7

InChI:InChI=1/3C10H7NO5S.Fe.3Na/c3*12-9-4-1-6-5-7(17(14,15)16)2-3-8(6)10(9)11-13;;;;/h3*1-5,12H,(H,14,15,16);;;;/q;;;+3;3*+1/p-6