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3520-72-7

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3520-72-7 Structure

3520-72-7 Structure
IdentificationMore
[Name]

Pigment Orange 13
[CAS]

3520-72-7
[Synonyms]

4,4'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
C.I. 21110
PIGMENT ORANGE 13
PYRAZOLONE ORANGE
4-dihydro-5-methyl-2-phenyl-
atulvulcanfastpigmentorangeg
benzidineorange
benzidineorange45-2850
benzidineorange45-2880
benzidineorangetoner
benzidineorangewd265
C.I.Pigmentorange13
C.I.PigmentOrange13(21110)
calcotoneoranger
carnelioorangeg
dainichifastorangerr
daltolitefastorangeg
diarylideorange
eljonfastorangeg
fastbenzideneorangeyb3
[EINECS(EC#)]

222-530-3
[Molecular Formula]

C32H24Cl2N8O2
[MDL Number]

MFCD00059727
[Molecular Weight]

623.49
[MOL File]

3520-72-7.mol
Chemical PropertiesBack Directory
[Boiling point ]

825.5±65.0 °C(Predicted)
[density ]

1.5522 (rough estimate)
[vapor pressure ]

0Pa at 25℃
[refractive index ]

1.6100 (estimate)
[storage temp. ]

Room Temperature, under inert atmosphere
[Colour Index ]

21110
[form ]

Solid
[pka]

1.55±0.70(Predicted)
[color ]

Orange to Dark Orange
[LogP]

1.17 at 24℃ and pH7
[CAS DataBase Reference]

3520-72-7(CAS DataBase Reference)
[EPA Substance Registry System]

3520-72-7(EPA Substance)
Safety DataBack Directory
[Hazard statements ]

H413
[Risk Statements ]

R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
[TSCA ]

TSCA listed
[HS Code ]

3204.17.9086
[REACH Registrations]

Active
[Toxicity]

LD50 oral in rat: > 5gm/kg
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium hydroxide-->Hydrochloric acid-->Sodium nitrite-->Sulfonated castor oil-->3,3'-Dichlorobenzidine
Hazard InformationBack Directory
[Uses]

Pigment Orange 13 is a dye used in textiles and commercial industries. Used in the preparation of light-protective containers.
[Properties and Applications]

TEST ITEMS

SPECIFICATION

APPEARANCE

ORANGE POWDER

SHADE

REDDISH

HEAT RESISTANCE

180 °C min

LIGHT FASTNESS

6-7

ACID RESISTANCE

5

ALKALI RESISTANCE

4

FASTNESS TO BLEEDING

5

OIL ABSORPTION

35-50%

SPECIFIC SURFACE

27 m 2 /g

DENSITY

1.50 g/cm 3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

Spectrum DetailBack Directory
[Spectrum Detail]

Pigment Orange 13(3520-72-7)1HNMR
Well-known Reagent Company Product InformationBack Directory
[TCI AMERICA]

Pyrazolone Orange(3520-72-7)
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