DISPERSE RED 19
- CasNo:2734-52-3
Product Description
Quality products?make an important contribution to long-term revenue and profitability. Chinese Manufacturer Supply DISPERSE RED 19 2734-52-3 On Stock with Competitive Price
1.What is the DISPERSE RED 19 ?
DR19 can be used as red side groups in an NLO polyester for potential application in optical switching devices. It can also be bonded with polyurethane to form stable films, which may be used in the fabrication of analog systems.
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![2,2'-(phenylimino)bis[ethanol]](/upload/2026/6/56df8e498d3f4e04b23a8a89e23eabdb_b83dc330-2e5a-4edd-bd2b-76a323df9e55.png)
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120-07-0
2,2'-(phenylimino)bis[ethanol]
-
-
100-01-6,104810-17-5
4-nitro-aniline
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![2-{(2-Hydroxy-ethyl)-[4-(4-nitro-phenylazo)-phenyl]-amino}-ethanol](/upload/2026/6/b5c4197ebcd44d53ab29ed7771ffd204_a26c23c6-1154-44f5-991b-f3bdbb13f150.png)
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2734-52-3
2-{(2-Hydroxy-ethyl)-[4-(4-nitro-phenylazo)-phenyl]-amino}-ethanol
| Conditions | Yield |
|---|---|
|
4-nitro-aniline;
With
hydrogenchloride; sodium nitrite;
In
water;
at 0 - 5 ℃;
for 1h;
2,2'-(phenylimino)bis[ethanol];
With
hydrogenchloride;
In
water;
at 0 - 5 ℃;
for 3h;
|
81.1%
|
|
With
sodium nitrite;
|
-
-
100-01-6,104810-17-5
4-nitro-aniline
-
-
2734-52-3
2-{(2-Hydroxy-ethyl)-[4-(4-nitro-phenylazo)-phenyl]-amino}-ethanol
| Conditions | Yield |
|---|---|
|
Multi-step reaction
with
2
steps
1: hydrogenchloride; sodium nitrite / water / 0 - 5 °C
2: N,N-dimethyl-formamide / 2 h / 0 °C
With
hydrogenchloride; sodium nitrite;
In
water; N,N-dimethyl-formamide;
|
2.What is the CAS number for DISPERSE RED 19 ?
The CAS number of DISPERSE RED 19 is 2734-52-3.
More information of DISPERSE RED 19 2734-52-3 are:
|
CAS?Number |
2734-52-3 |
|
Density |
1.3g/cm3 |
|
Melting Point |
>300 °C(lit.)
|
|
Boiling Point |
577.3°Cat760mmHg |
|
Flash Point |
302.9°C |
|
Vapor Pressure |
3.61E-14mmHg at 25°C |
|
Refractive Index |
1.6000 (estimate) |
|
HS CODE |
2927000090 |
|
PSA |
114.24000 |
|
LogP |
3.32440 |
|
Pka |
14.19±0.10(Predicted) |
3.What are another words for DISPERSE RED 19 ?
Synonyms?for?DISPERSE RED 19 2734-52-3:C.I.Disperse Red 19 (7CI,8CI); Ethanol,2,2'-[[4-[(4-nitrophenyl)azo]phenyl]imino]bis- (9CI); Ethanol,2,2'-[p-(p-nitrophenylazo)phenylimino]di- (6CI);2-[(2-Hydroxyethyl)[4-(4-nitrophenylazo)phenyl]amino]ethanol;4-(4'-Nitrophenylazo)-N,N-bis(2-hydroxyethyl)aniline; 4-Nitro-4'-[N,N-bis(b-hydroxyethyl)amino]azobenzene;4-[Bis(2-hydroxyethyl)amino]-4'-nitroazobenzene;4'-[(N,N-Dihydroxyethyl)amino]-4-nitroazobenzene; C.I. 11130; Disperse Red 19;Dispersol Fast Red R; Dispersol Red R; Eniacyl Scarlet B2G;N,N-Di(2-hydroxyethyl)-4-(4'-nitrophenylazo)aniline;N-[4-(4-Nitrophenylazo)phenyl]diethanolamine; NSC 364364; Serinyl HosieryScarlet GD; Serisol Fast Scarlet GD; Supracet Fast Scarlet G
4.What is the molecular formula of DISPERSE RED 19?
The chemical formula of ?DISPERSE RED 19 is?C16H18 N4 O4 which containing 16 Carbon atoms,18 Hydrogen atoms,4 Nitrogen atoms and 4 Oxygen atoms,and the molecular weight of??DISPERSE RED 19?is 330.343.
5.What is DISPERSE RED 19 (2734-52-3) used for?
Disperse Red 19 (DR19) is a non-linear optical (NLO) dye that is widely used in the polymer industry due to its thermal and photo stability. It is a dark purple to dark red-brown crystalline powder with two hydroxyl (OH) groups that allow it to covalently connect with the base polymer. DR19 is soluble in ethanol, acetone, and benzene, and exhibits different colors when treated with strong acids.
InChI:InChI=1/C16H18N4O4/c21-11-9-19(10-12-22)15-5-1-13(2-6-15)17-18-14-3-7-16(8-4-14)20(23)24/h1-8,21-22H,9-12H2/b18-17+
Relevant articles related to DISPERSE RED 19:
|
Article |
Source |
|
Triphenyl moieties as building blocks for obtaining molecular glasses with nonlinear optical activity |
Traskovskis, Kaspars,Mihailovs, Igors,Tokmakovs, Andrejs,Jurgis, Andrejs,Kokars, Valdis,Rutkis, Martins , p. 11268 - 11276 (2012/08/14) |
6.Buy DISPERSE RED 19 with the best price .
Jiangsu Allyrise Pharmaceutical Co., Ltd. is a quality supplier of DISPERSE RED 19. Our main goal is customer satisfaction. Contact us to negotiate the best price for your business on DISPERSE RED 19 2734-52-3.