Acid Green 25
Acid Green 25 Basic information
- Product Name:
- Acid Green 25
- Synonyms:
-
- Alizarin green, Dye content 95%
- Alizarin green, AR
- c.i.acidgreen25
- d&cgreen
- d&cgreen5
- d&cgreen8
- Disodiumsaltof2,2’-[9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis-[5-methylbenzenesulfonicacid]
- zelenalizarinovabrilantnig-extra
- CAS:
- 4403-90-1
- MF:
- C28H20N2Na2O8S2
- MW:
- 622.58
- EINECS:
- 224-546-6
- Product Categories:
-
- Organics
- Aminoanthraquinones
- Dyes and Pigments
- Anthraquinones
- A
- Stains and Dyes
- Stains&Dyes, A to
- Mol File:
- 4403-90-1.mol
Acid Green 25 Chemical Properties
- Melting point:
- 235-238 °C(lit.)
- Colour Index
- 61570
- form
- neat
- color
- Bluish green powder
- Water Solubility
- 36 g/L (20 ºC)
- Merck
- 14,252
- InChIKey
- FPAYXBWMYIMERV-UHFFFAOYSA-L
- EPA Substance Registry System
- C.I. Acid Green 25 (4403-90-1)
Safety Information
- Hazard Codes
- N
- Risk Statements
- 51/53-36
- Safety Statements
- 24/25-61-26
- RIDADR
- UN 3077 9 / PGIII
- WGK Germany
- 2
- RTECS
- DB5044000
- HS Code
- 32041200
- Toxicity
- LD50 orl-rat: >10 g/kg GTPZAB 28(7),53,84
MSDS
- Language:English Provider:Disodium 2,2'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(5-methylsulphonate)
- Language:English Provider:ACROS
- Language:English Provider:SigmaAldrich
Acid Green 25 Usage And Synthesis
Chemical Properties
dark green powder
Uses
For nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982).
General Description
Fine black or green powder.
Air & Water Reactions
Slightly soluble in water.
Reactivity Profile
Acid Green 25 is incompatible with strong oxidizing agents. .
Fire Hazard
Flash point data for Acid Green 25 are not available. Acid Green 25 is probably combustible.
Safety Profile
Moderately toxic by ingestion. Askin and severe eye irritant.
When heated to decomposition it emits very toxic fumesof NOx, SOx, and Na2O.
Purification Methods
Purify it by salting out three times from an aqueous solution with sodium acetate, followed by repeated extraction with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. It is a green powder that is slightly soluble in Me2CO, EtOH and pyridine. It is soluble in conc H2SO4 to give a blue solution that becomes turquoise on dilution. [Allen et al. J Org Chem 7 63 1942, Beilstein 14 H 725.]
Acid Green 25 Preparation Products And Raw materials
Raw materials
Acid Green 25Supplier
- Tel
- 0086-571-88523165
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- Tel
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Acid Green 25(4403-90-1)Related Product Information
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- 2-Aminobenzophenone
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- p-Phenylenediamine
- Sodium methanesulfinate
- 2,3-Dimethylaniline
- 1,2-Diacetylbenzene
- 1,4-Diamino anthraquinone
- ACID GREEN 27 (C.I. 61580)
- Acid Green 25
- GREEN TEA
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- ACID BLUE 25