| Identification | More | [Name]
Solvent Red 25 | [CAS]
3176-79-2 | [Synonyms]
1-[[3-methyl-4-[(3-methylphenyl)azo]phenyl]azo]-2-naphthol
CI 26110
CI NO 26110
LABOTEST-BB LT00452138
solvent red 25
SUDAN R
SUDAN RED B
1-[[3-methyl-4-[(3-methylphenyl)azo]phenyl]azo]-2-naphthaleno
C.I.Solventred25
TransparentredYJO-1
sudan red B (dye content 97%)
SUDAN RED B, FOR MICROSCOPY
Standardformicroscopy
Transparent Red S-130
2-Naphthalenol, 1-[[3-methyl-4-[(3-methylphenyl)azo]phenyl]azo]-
C Red No17 WO85
Krasol Dark Red G.
1-[4-(3-Methylphenylazo)-3-methylphenylazo]naphthalene-2-ol | [EINECS(EC#)]
221-647-7 | [Molecular Formula]
C24H20N4O | [MDL Number]
MFCD00021456 | [Molecular Weight]
380.44 | [MOL File]
3176-79-2.mol |
| Hazard Information | Back Directory | [Preparation]
2-Methyl-4-(o-tolyldiazenyl)benzenamine diazotization, and Naphthalen-2-ol coupling. | [Properties and Applications]
red. Red powder. Insoluble in water, soluble in ethanol, acetone and so on the many kinds of solvent, resistance to 5% of hydrochloric acid and sodium carbonate. In concentrated sulfuric acid to blue light green, dilution after red precipitation; In 10% of the sulfuric acid insoluble; In concentrated sodium hydroxide solution insoluble; In concentrated nitric acid for brown solution; In 10% sodium hydroxide solution insoluble.
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
|
Melting point
|
Stable
|
|
ISO
|
Good
|
|
150
|
Insoluble
|
General
|
Good
|
|
|
|