Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-[(4-nitrophenyl)azo]-N-phenylaniline
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2581-69-3

2581-69-3 structure

Name: disperse orange 1
Chemical Name: 4-[(4-nitrophenyl)diazenyl]-N-phenylaniline
CAS Number: 2581-69-3
Molecular Formula: C₁₈H₁₄N₄O₂
Molecular Weight: 318.32900
Catalog: Dyes and pigments dye Disperse dye
Create Date: 2018-03-22 08:00:00
Modify Date: 2026-07-02 00:34:37
DO1, also known as Disperse Orange 1, is an anti-amyloid agent which potently delays both seeded and non-seeded Aβ42 polymerization at substoichiometric concentrations, thereby disrupting preformed fibrillar assemblies of synthetic Aβ42 peptides.

Name	4-[(4-nitrophenyl)diazenyl]-N-phenylaniline
Synonyms	DO1, 10 mM in DMSO C12972101 DispersEOrangE1 setacylsclet2gn cellitonfastorange5r 4-(4-Nitrophenylazo)diphenylamine DO1 Resolin Orange 5R Disperse Orange 1 in Methanol 4-[(4-nitrophenyl)azo]-n-phenyl-benzenamin cillafastorange5r setacylscletp Palanil Orange 5R (4-Nitro-benzol)-(1 azo 4)-N.N-diphenylamin dispersolorangea [4-(4-Nitro-phenylazo)-phenyl]-phenyl-amin 4-((p-nitrophenyl)azo)-diphenylamin Disperse Orange 1 Dye content Benzenamine, 4-(4-nitrophenyl)azo-N-phenyl DO-1,DO1 Acetate Orange 5R acetoquinonelightorange4rl disperseorange5r miketonfastorange5r 4-[(4-nitrophenyl)azo]-N-phenylaniline supracetsclet 4-[(4-nitrophenyl)azo]-N-phenyl-benzenamine dispersolfastorangea 4-(p-nitrophenylazo)diphenylamine diacellitonfastoranger 4-nitro-4'-phenylaminoazobenzene Reliton Orange 5R 4-anilino-4’-nitroazobenzene 4-[(p-Nitrophenyl)azo]phenylphenylamine 4'-Nitro-4-anilino-azobenzol BenzenaMine, 4-[2-(4-nitrophenyl)diazenyl]-N-phenyl Serisol Orange 5R Disperse Orange 5R 4-(4-NITROPHENYLAZO)DIPHENYLAMINE Disperse Orange 1,4-(4-Nitrophenylazo)diphenylamine relitonorange5r DISPERSE ORANGE 1 ISO 9001：2015 REACH navileneorange5r Diphenylamine, 4-((p-nitrophenyl)azo) c.i.disperseorange1 serisolorange5r acetateorange5r Disperse Orange 1C.I. 110804-(4-Nitrophenylazo)diphenylamine dispersolprintingorangea MFCD00007311 EINECS 219-954-6 4-[(4-nitrophenyl)azo]-N-phenyl-Benzenamine cellitondischgeorange5rl Disperse Orange 1 100 μg/mL in Acetonitrile resolinorange5r Vonteryl Red 4G DISPERSE ORANGE 1 Miketon Fast Orange 5R miketonpolyesterorange5r [4-(4-nitro-phenylazo)-phenyl]-phenyl-amine C.I.Disperse Orange 1:C.I 4-((4-nitrophenyl)azo)-n-phenyl-benzenamin 4-((p-nitrophenyl)azo)diphenylamine palanilorange5r 4-Nitro-4'-(phenylamino)azobenzene Disperse Orange 1 Dispersol Orange A vonteryed

Density	1.24g/cm3
Boiling Point	535ºC at 760mmHg
Melting Point	160ºC
Molecular Formula	C₁₈H₁₄N₄O₂
Molecular Weight	318.32900
Flash Point	277.4ºC
Exact Mass	318.11200
PSA	82.57000
LogP	6.35000
Vapour Pressure	1.6E-11mmHg at 25°C
Index of Refraction	1.642

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JJ9700000

CHEMICAL NAME :: Diphenylamine, 4-((p-nitrophenyl)azo)-

CAS REGISTRY NUMBER :: 2581-69-3

BEILSTEIN REFERENCE NO. :: 0758695

LAST UPDATED :: 199701

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C18-H14-N4-O2

MOLECULAR WEIGHT :: 318.36

WISWESSER LINE NOTATION :: WNR DNUNR DMR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 31 gm/kg/88W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Skin and Appendages - tumors

REFERENCE :: ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 57,530,1951 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0746 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 741 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0754 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 741 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0754 No. of Facilities: 55 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 1125 (estimated) No. of Female Employees: 78 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	R36/37/38
Safety Phrases	37/39-26-24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	JJ9700000
HS Code	2927000090

456-27-9

122-39-4

~75%

2581-69-3

Literature: Iwamoto, Hidetoshi; Yoshimura, Masaji; Sonoda, Takaaki; Kobayashi, Hiroshi Bulletin of the Chemical Society of Japan, 1983 , vol. 56, # 3 p. 796 - 801

100-01-6

122-39-4

~62%

2581-69-3

Literature: Makita, Shohei; Saito, Ayako; Hayashi, Makoto; Yamada, Shohei; Yoda, Koji; Otsuki, Joe; Takido, Toshio; Seno, Manabu Bulletin of the Chemical Society of Japan, 2000 , vol. 73, # 7 p. 1525 - 1533

100-05-0

122-39-4

2581-69-3

Literature: Journal of the Chemical Society, , vol. 43, p. 439

14368-49-1

122-39-4

2581-69-3

Literature: Zeitschrift fuer Chemie (Stuttgart, Germany), , vol. 27, # 5 p. 175 - 176

14368-49-1

4316-51-2

2581-69-3

Literature: Journal of the Chemical Society, Chemical Communications, , # 2 p. 245 - 246

Precursor 6
456-27-9 122-39-4 100-01-6 100-05-0
14368-49-1 4316-51-2
DownStream 2
101-57-5 74597-24-3

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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