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CHROMOTROPE 2B

CHROMOTROPE 2B
CHROMOTROPE 2B structure
CAS No.
548-80-1
Chemical Name:
CHROMOTROPE 2B
Synonyms
CI 16575;CI NO 16575;CHROMOTROPE;ACID RED 176;B,ChroMotrope;CHROMOTROPE 2B;CHROMOTROP 2 B;C.I.Acid Red 176;Mordant Black 93;AcidRed176(16575)
CBNumber:
CB7738401
Molecular Formula:
C16H9N3Na2O10S2
Formula Weight:
513.37
MOL File:
548-80-1.mol

CHROMOTROPE 2B Properties

Melting point:
300 °C
Colour Index 
16575
form 
Crystalline Powder
color 
Dark green to dark purple
Merck 
14,2240
BRN 
4109733
CAS DataBase Reference
548-80-1(CAS DataBase Reference)
FDA UNII
81Y8BW5764
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
TSCA  Yes

CHROMOTROPE 2B price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 27130 Chromotrope 2B for microscopy 548-80-1 10g $25.8 2021-03-22 Buy
Alfa Aesar L11330 Chromotrope 2B 548-80-1 25g $42.2 2021-03-22 Buy
Alfa Aesar L11330 Chromotrope 2B 548-80-1 100g $118 2021-03-22 Buy

CHROMOTROPE 2B Chemical Properties,Uses,Production

Chemical Properties

dark green to dark purple crystalline powder

Uses

As a dye; as a reagent for boric acid or borates.

Preparation

4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling.

Properties and Applications

blue-ray red. Soluble in water for yellow light red, not soluble in alcohol. The strong sulfuric acid for dark purple, diluted into yellow light red solution. In water solution to join hydrochloric acid solution to become yellow, add sodium hydroxide for blue-ray red.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 4 4 4-5

CHROMOTROPE 2B Preparation Products And Raw materials

Raw materials

Preparation Products


CHROMOTROPE 2B Suppliers

Global( 94)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29954 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28229 58
Chongqing Chemdad Co., Ltd
+86-13650506873
sales@chemdad.com CHINA 37282 58
HENAN BON INDUSTRIAL CO.,LTD
0371-55170695
info@hnbon.com CHINA 26742 58
CONIER CHEM AND PHARMA LIMITED
86-18523575427
sales@conier.com CHINA 47498 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671
0551-65418697 sales@tnjchem.com CHINA 37441 58
Dayang Chem (Hangzhou) Co.,Ltd.
17705817739 +86-571-88938639
+86-571-88938652,+86-571- 88492614 info@dycnchem.com CHINA 52932 58
Henan Alfa Chemical Co., Ltd
+8619139973225
adam@alfa-chemical.com;sales4@alfachem.cn China 11903 58
Amadis Chemical Company Limited
0086-571-89925085
0086-571-89925065 sales@amadischem.com China 132148 58
Mainchem Co., Ltd. +86-0592-6210733
+86-0592-6210733 sale@mainchem.com CHINA 32439 55

View Lastest Price from CHROMOTROPE 2B manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-07-11 CHROMOTROPE 2B
548-80-1
US $1.00 / KG 1KG 98% 1kg,5kg,100kg career henan chemical co

CHROMOTROPE 2B Spectrum


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