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CAS No.: | 4403-90-1 |
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Name: | Acid Green 25 |
Molecular Structure: | |
Formula: | C28H22N2O8S2 . 2Na |
Molecular Weight: | 622.587 |
Synonyms: | AlizarinCyanine Green F (6CI);Benzenesulfonic acid,2,2'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[5-methyl-,disodium salt (9CI);m-Toluenesulfonic acid,6,6'-(1,4-anthraquinonylenediimino)di-, disodium salt (7CI,8CI);Acid Alizarine Green G;Acid Brilliant Green GS;Acid Chrome GreenAnthraquinone;Acid Cyanine Green G;Acid Green 25;Acid Leather GreenAG;Acid chrome anthraquinone green;Acidol Green BX;Ahcoquinone Cyanine GreenG;Airedale Green ACG;Alizarine Brilliant Green EF;Alizarine Brilliant Green G;AlizarineCyanine Green 90128;Alizarine Cyanine Green B;Alizarine Cyanine GreenG-CF;Alizarine Cyanine Green GN;AlizarineCyanine Green HT;Alizarine Fast Green CG;Alizarine Fast Green GN;Alizarine FastPrinting Green G;Alizarine GreenCyanine J;Alizarine Green G;Alizarine Green J;Alizarine Green U 308256;Alizarine Light Green GS;Alizarine Light Green GSN;Alizarine Neutral Green CG;Anthraquinone Green G;Anthraquinone Green GNN;BasovitGreen 876;Bucacid Fast Green GS;C.I. 61570;C.I.Acid Green 25 disodium salt;Calcocid Alizarine Green CG;Chrome GreenAnthraquinone;Coomassie Fast Green GN;Coomassie Fast Green GW;Covalene Green GS; |
EINECS: | 224-546-6 |
Melting Point: | 235-238 °C(lit.) |
Solubility: | 36 g/L (20 °C) in water |
Appearance: | dark green powder |
Hazard Symbols: | N |
Risk Codes: | 51/53-36 |
Safety: | 24/25 |
PSA: | 189.36000 |
LogP: | 6.68180 |
Reported in EPA TSCA Inventory.
DYE CONTENT: 80.0%
pH: 5
ABSORBANCE: 642 nm
The Acid Green 25, with the cas register number 4403-90-1, has its IUPAC name of disodium 5-methyl-2-[[4-(4-methyl-2-sulfonatoanilino)-9,10-dioxoanthracen-1-yl]amino]benzenesulfonate. And its product categories are various, including dyes and pigments; organics; aminoanthraquinones; anthraquinones; stains and dyes; stains&dyes.
Some basic information of this chemical is below: This is a kind of green powder and is soluble in o-chlorophenol, slightly soluble in acetone, ethanol and pyridine, while insoluble in chloroform and methylbenzene. The color in concentrated sulfuric acid is dark blue and is turquoise blue when diluted. This chemical is used as a stain in microscopy, as a reagent for aluminum, as an acid-base indicator, and in the determination of fluorine. When contact with this chemical, avoid contacting with skin and eyes.
The characteristics of this chemical are as following: (1)ACD/LogP: 3.71; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -0.79; (4)ACD/LogD (pH 7.4): -0.79; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 10; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 166.12; (13)Tautomer Count: 8; (14)Exact Mass: 622.045646; (15)MonoIsotopic Mass: 622.045646; (16)Topological Polar Surface Area: 189; (17)Heavy Atom Count: 42; (18)Formal Charge: 0; (19)Complexity: 1060.
When it comes to the production method, you could follow the below steps. Prepare the material of 1,4-dihydroxyanthracenequinone and paratoluidine, and then condense the 1,4-dihydroxyanthracenequinone and paratoluidine in presence of boric acid and zinc powder; Next sulfonate and neutralize with fuming sulphuric acid to get the crude; Lastly, go through the salting out, filtering, drying and smashing to get the products.
As to its usage, it is widely applied in many ways. It could be used in the dyeing of silk, wool, nylon, and other blend fabrics, and also in the coloring of leather, papering, cosmetic, soap, wood work, biological products and Alumite.
In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: CC1=CC(=C(C=C1)NC2=C3C(=C(C=C2)NC4=C(C=C(C=C4)C)S(=O)(=O)[O-])C(=O)C5=
CC=CC=C5C3=O)S(=O)(=O)[O-].[Na+].[Na+]
(2)InChI: InChI=1S/C28H22N2O8S2.2Na/c1-15-7-9-19(23(13-15)39(33,34)35)29-21-11-12-22(30-20-10-8-16(2)14-24(20)40(36,37)38)26-25(21)27(31)17-5-3-4-6-18(17)28(26)32;;/h3-14,29-30H,1-2H3,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2
Below are the toxicity information of this chemical:
Organism Test Type Route Reported Dose (Normalized Dose) Effect Source rat LD50 oral 3gm/kg (3000mg/kg) SENSE ORGANS AND SPECIAL SENSES: CHROMODACYRORREA: EYE
BEHAVIORAL: ATAXIA
SKIN AND APPENDAGES (SKIN): HAIR: OTHERNational Technical Information Service. Vol. OTS0555736,