| Identification | Back Directory | [Name]
Direct Yellow 12 | [CAS]
2870-32-8 | [Synonyms]
CI 24895
CHRYSOPHENINE
DirectyellowG
ChrysophenineG
DirectYellowGX
Chrysophenin G
Pyrazol Yellow
Chrysophenin NS
DIRECT YELLOW 12
Benzol Yellow LG
Pyrazol Yellow C
Romexal Yellow C
Direct Yellow GK
Diazine Yellow CP
C.I.Directyellow12
Diphenyl Yellow CH
Chloraxol Yellow CG
Pamanil Yellow G-12
Kayaku Chrysophenine
Direct Chrysophenine
Nylornine Yellow C-4R
Mitsui Chrysophenine G
Shikiso Chrysophenine G
Tertrodirect Yellow CG.
abcol direct yellow 4 ra
Direct Brilliant Yellow 4R
chrysophenine (C.I. 24895)
Atul Direct Fast Yellow GCH
C.I.Direct Yellow 12(24895)
Direct yellow 12 (C.I. 24895)
Disodium 4,4'-bis[(4-ethoxyphenyl)azo]stilbene-2,2'-disulfonate
disodium 4,4'-bis[(4-ethoxyphenyl)azo]stilbene-2,2'-disulphonate
2,2’-(1,2-ethenediyl)bis[5-[(4-ethoxyphenyl)azo]-benzenesulfonicacidisodi
2,2'-(1,2-Ethenediyl)bis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid sodium] salt
2,2'-(1,2-Ethenediyl)bis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid]disodium salt
Benzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-(4-ethoxyphenyl)azo-, disodium salt | [EINECS(EC#)]
220-698-2 | [Molecular Formula]
C30H26N4Na2O8S2 | [MDL Number]
MFCD00007488 | [MOL File]
2870-32-8.mol | [Molecular Weight]
680.66 |
| Chemical Properties | Back Directory | [Appearance]
orange crystalline powder | [Melting point ]
>300°C | [storage temp. ]
Amber Vial, Refrigerator, Under inert atmosphere | [solubility ]
DMSO (Slightly), Methanol (Slightly), Water (Slightly) | [Colour Index ]
24895 | [form ]
Solid | [color ]
Orange to Dark Orange | [ε(extinction coefficient)]
≥29000 at 389-401nm in water at 0.02g/L | [λmax]
389 nm | [Stability:]
Light Sensitive | [InChIKey]
BFMGWSCDIBELQN-BHHUATOHSA-N | [SMILES]
C(C1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O)=CC1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O.[NaH] | [EPA Substance Registry System]
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl) bis[5-[(4-ethoxyphenyl)azo]-, disodium salt(2870-32-8) |
| Hazard Information | Back Directory | [Chemical Properties]
orange crystalline powder | [Uses]
A diazo stilbene dye | [Properties and Applications]
|
TEST ITEMS
|
SPECIFICATION
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APPEARANCE
|
YELLOW
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LIGHTING
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4
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SOAPING
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3-4
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PERSPIRATING
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3-4
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FRICTION(DRY)
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4-5
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FRICTION(WET)
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3
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RESIDUE ON 80 MESH
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5.0% max
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WATER SOLUBILE
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1.0% max
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VOLATITE 105°C
|
1.0% max
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TINTING STRENGTH
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100-105 %
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WEIGHT METAL TOTAL
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50ppm max
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