| Identification | Back Directory | [Name]
Solvent Brown 5 | [CAS]
2653-72-7 | [Synonyms]
C.I. 12020
CI NO 12020
SUDAN BROWN
Solvent Brown 5
C.I.Solventbrown5
4-(1-Naphtylazo)-1-naphthol
4-(1-naphthylazo)-1-naphthol
Solvent brown 5 (C.I. 12020)
C.I.Solvent Brown 5:C.I.12020
Solvent Brown 5 ISO 9001：2015 REACH
4-(1-naphthalenylazo)-1-Naphthalenol
1-Naphthalenol, 4-(1-naphthalenylazo)-
1-(1-naphthylazo)-4-hydroxynaphthalene
1-Naphthalenol, 4-[2-(1-naphthalenyl)diazenyl]-
(4E)-4-(naphthalen-1-ylhydrazinylidene)naphthalen-1-one | [EINECS(EC#)]
220-178-5 | [Molecular Formula]
C20H14N2O | [MDL Number]
MFCD01320646 | [MOL File]
2653-72-7.mol | [Molecular Weight]
298.34 |
| Hazard Information | Back Directory | [Preparation]
Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling. | [Properties and Applications]
dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
|
Standard
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Light Fastness
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Heat-resistant(℃)
|
water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
|
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Melting point
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Stable
|
|
ISO
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Poor
|
170
|
100≥100
Sublimation
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Insoluble
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Good
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Good
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|
| Company Name: |
Alfa Chemistry
|
| Tel: |
1-516-6625404 |
| Website: |
https://www.alfa-chemistry.com |
| Company Name: |
Alfa Chemistry
|
| Tel: |
+1 (201) 478-8534 |
| Website: |
www.alfa-chemistry.com |
|