Acid Green 50

Synonym(s):Acid Brilliant Green BS;Acid Green 50;Wool Green S

CAS NO.：3087-16-9
Empirical Formula: C27H27N2NaO7S2
Molecular Weight: 578.63
MDL number: MFCD00012117
EINECS: 221-409-2
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-05 12:01:54

What is Acid Green 50?

Chemical properties

solid

The Uses of Acid Green 50

Acid Green 50 is a food coloring in drinks and candles. Also used on living cells as protein stains for chemical and molecular analyses.

What are the applications of Application

Acid green 50 is an anionic dye used in labeling cells for molecular analysis

Preparation

(a)4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-2-ol condensation, with hair smoke sulphonated sulfuric acid, and translated into sodium salt; (b) Bis (4 – (dimethylamino) phenyl) methanoland ?3-Hydroxynaphthalene-2,7-disulfonic acid (or 7-Hydroxynaphthalene-1,3-disulfonic acid) condensation, product oxidation, and translated into sodium salt.

Purification Methods

Crystallise it from EtOH/water (1:1, v/v). Irritant. [Beilstein 14 II 574.]

Properties and Applications

blue light green. Blue-green powder. Soluble in cold water, easily soluble in hot water (green blue), soluble in ethanol (turquoise blue). Meet strong sulfuric acid as orange, a green light amber after diluted. Mainly used for wool, polyamide, silk dyeing. Also used in leather, food, medicine and cosmetics of shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	3	2	3	4	1	5	3	1
AATCC	2-3	3	3	2	1	1	3	3

Properties of Acid Green 50

Melting point:	>300°C
Density	0.541[at 20℃]
storage temp.	Refrigerator
solubility	DMSO (Slightly), Methanol (Slightly)
form	Powder
Colour Index	44090
color	Dark brown or black
Water Solubility	492.554g/L at 28℃
Stability:	Incompatible with strong oxidizing agents.
CAS DataBase Reference	3087-16-9(CAS DataBase Reference)
EPA Substance Registry System	Methanaminium, N-[4-[[4-(dimethylamino)phenyl](2-hydroxy-3,6-disulfo-1-naphthalenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, inner salt, monosodium salt (3087-16-9)

Safety information for Acid Green 50

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.