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DISPERSE RED 19

Product Name
DISPERSE RED 19
CAS No.
2734-52-3
Chemical Name
DISPERSE RED 19
Synonyms
CI 11130;DISPERSE RED 19;C.I.Disperse Red 19;Disperse Red 19, pure;disperse red 19 (C.I. 11130);C.I.Disperse Red 19:C.I.11130;Disperse Red 19 Dye content 97 %;2,2'-(4'-Nitroazobenzene-4-ylimino)bisethanol;2,2’-[[4-[(4-nitrophenyl)azo]phenyl]imino]bis-ethano;2,2'-[[4-[(4-nitrophenyl)azo]phenyl]imino]bisethanol
CBNumber
CB8669319
Molecular Formula
C16H18N4O4
Formula Weight
330.34
MOL File
2734-52-3.mol
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DISPERSE RED 19 Property

Melting point:
>300 °C(lit.)
Boiling point:
467.79°C (rough estimate)
Density 
1.1843 (rough estimate)
refractive index 
1.6000 (estimate)
pka
14.19±0.10(Predicted)
form 
Crystalline Powder
Colour Index 
11130
color 
Dark purple to dark red-brown
Water Solubility 
234.5ug/L(25 ºC)
EPA Substance Registry System
C.I. Disperse Red 19 (2734-52-3)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-43
Safety Statements 
24/25-36/37
WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
215767
Product name
Disperse Red 19
Purity
Dye content 97 %
Packaging
5g
Price
$85.3
Updated
2024/03/01
American Custom Chemicals Corporation
Product number
DYE0000606
Product name
DISPERSE RED 19
Purity
95.00%
Packaging
5MG
Price
$497.75
Updated
2021/12/16
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DISPERSE RED 19 Chemical Properties,Usage,Production

Chemical Properties

dark purple to dark red-brown crystalline powder

Uses

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.

Preparation

4-Nitrobenzenamine diazo, and N,N-dihydroxyethylaniline?coupling.

General Description

Disperse Red 19 (DR19) is widely used as a non-linear optical (NLO) dye with two hydroxyl (OH) groups, which can covalently connect with the base polymer. It can be linked as a side chain group that provides thermal and photo stability to the polymeric unit.

Properties and Applications

Yellow?red .red powder. Soluble in ethanol, acetone and benzene. The strong sulfuric acid for yellow, diluted for brown; In strong hydrochloric acid for red, and then into a brown. Used for polyester, vinegar fiber, three vinegar fiber, polyamide, acrylic and their blended fabric dyeing, also used for sheep and plastic shading, hue for yellow light red.

Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
Fading Stain Fading Stain Fading Stain
ISO 4 4 5 5 4-5 5

DISPERSE RED 19 Preparation Products And Raw materials

Raw materials

Preparation Products

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DISPERSE RED 19 Suppliers

Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-400-6206333 18521732826
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51456
Advantage
80
Shandong Ono Chemical Co., Ltd.
Tel
0539-6362799 20)
Fax
0539-6362799(To 20)
Country
China
ProdList
10007
Advantage
58
Zhengzhou Alfa Chemical Co.,Ltd
Tel
+8618530059196
Email
sale04@alfachem.cn
Country
China
ProdList
13502
Advantage
58
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
marketing@energy-chemical.com
Country
China
ProdList
44918
Advantage
58
Hebei Zhentian Food Additives Co., Ltd.
Tel
0319-5925599 13373390591
Fax
0319 5925599
Email
13933732699@163.com
Country
China
ProdList
12185
Advantage
58
Shanghai Maclean Biochemical Technology Co., LTD
Tel
021-50706066 15221275939
Email
shenlinxing@macklin.cn
Country
China
ProdList
29794
Advantage
58
Hebei Zhentian food additives Co., LTD
Tel
0319-5925599 13373390591
Email
13933732699@163.com
Country
China
ProdList
12271
Advantage
58
ZHEJIANG JIUZHOU CHEM CO., LTD
Tel
+86-0576225566889 +86-13454675544
Email
admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com
Country
China
ProdList
12272
Advantage
58
Aladdin Scientific
Tel
+1-+1(833)-552-7181
Email
sales@aladdinsci.com
Country
United States
ProdList
57505
Advantage
58

2734-52-3, DISPERSE RED 19Related Search:


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  • C.I.Disperse Red 19:C.I.11130
  • 2-[N-(2-hydroxyethyl)-4-[(4-nitrophenyl)diazenyl]anilino]ethanol
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