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CHROMOTROPE 2R

CAS No.
4197-07-3
Chemical Name:
CHROMOTROPE 2R
Synonyms
CI 16570;ACID RED 29;CI NO 16570;CHROMOTRORE;Coloring 2R;fastfuchsing;ACID PHLOXINE;AZOFUCHSIN 4G;c.i.acidred29;fastfuchsineg
CBNumber:
CB7101333
Molecular Formula:
C16H10N2Na2O8S2
Molecular Weight:
468.37
MDL Number:
MFCD00003955
MOL File:
4197-07-3.mol
MSDS File:
SDS
Last updated:2023-05-18 11:31:13

CHROMOTROPE 2R Properties

storage temp. Store at RT.
Colour Index 16570
form Crystalline Powder
color Reddish-brown
Water Solubility Soluble in water (1 mg/ml).
Stability Stable. Incompatible with strong oxidizing agents.
EWG's Food Scores 1
FDA UNII LLE7AS9RKD

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
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
RTECS  QJ6418000
HS Code  32041200
NFPA 704
1
2 0

CHROMOTROPE 2R price More Price(27)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C3143 Chromotrope 2R suitable for modified Gomori Trichrome stain 4197-07-3 25G $69.6 2024-03-01 Buy
Sigma-Aldrich C3143 Chromotrope 2R suitable for modified Gomori Trichrome stain 4197-07-3 100G $211 2024-03-01 Buy
TCI Chemical C0547 Chromotrope 2R 4197-07-3 25g $39 2024-03-01 Buy
Alfa Aesar A17519 Chromotrope 2R 4197-07-3 25g $41.65 2024-03-01 Buy
Alfa Aesar A17519 Chromotrope 2R 4197-07-3 100g $126 2024-03-01 Buy
Product number Packaging Price Buy
C3143 25G $69.6 Buy
C3143 100G $211 Buy
C0547 25g $39 Buy
A17519 25g $41.65 Buy
A17519 100g $126 Buy

CHROMOTROPE 2R Chemical Properties,Uses,Production

Chemical Properties

dark brown powder

Uses

Employed as an indicator for complexometry. It is also applied as a stain used in modified Gomori Trichrome stain. Used as a stain for cytology.

Uses

Suitable for modified Gomori Trichrome stain

Definition

ChEBI: An organic sodium salt that is the disodium salt of 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid. It is used as the plasma stain in trichrome techniques.

Preparation

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

Properties and Applications

red. Soluble in water for red orange, soluble in soluble fiber element, moderate soluble in alcohol and acetone is red light purple, insoluble in other organic solvents. The strong sulfuric acid for wine red, diluted into pink; In nitric acid solution for red, and then to orange. Add hydrochloric acid in aqueous solution for the red orange; Add thick sodium hydroxide solution for deep red wine.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 2 2 1 2
AATCC 4-5 2-3 1 1 2-3

CHROMOTROPE 2R Preparation Products And Raw materials

Global( 176)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 47465 58
Hubei Ipure Biology Co., Ltd
+8613367258412 ada@ipurechemical.com China 10326 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
HONG KONG IPURE BIOLOGY CO.,LIMITED
86 18062405514 18062405514 ada@ipurechemical.com CHINA 3465 58
ANHUI WITOP BIOTECH CO., LTD
+8615255079626 eric@witopchemical.com China 23556 58
CD Chemical Group Limited
+8615986615575 info@codchem.com China 20356 58
Henan Alfa Chemical Co., Ltd
+8618339805032 alfa4@alfachem.cn China 12755 58

View Lastest Price from CHROMOTROPE 2R manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
CHROMOTROPE 2R pictures 2019-07-12 CHROMOTROPE 2R
4197-07-3
US $1.00 / KG 1KG 99% 25kg Career Henan Chemical Co
Chromotrope 2R, pure 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt 2-(Phenylazo)chromotropic acid disodium salt, Acid Red29 C.I.Mordant Blue 80 Chromotrope N-2R Chromotrop 2 R, C.I. 16570, for complexometry Acid phloxin GR Benzeneazo-1,8-dihydroxynaphthalene-3,6-disulfonic acid sodiuM salt CarMoisine XL6R ChroMotrope blue 2R ChroMotrope 2R, pure 25GR Chromotrope 2R,2-(Phenylazo)chromotropic acid disodium salt, Acid Red29 Acid Red 29 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic Acid Disodium Salt fastfuchsing hispacidfuchsing ACID RED 29 ACID PHLOXINE ACID PHLOXINE GR CI 16570 CHROMOTROP 2 R CHROMOTROPE 2R CI NO 16570 BENZENEAZOCHROMOTROPIC ACID, NA SALT AZOFUCHSIN 4G Acid Red 29~C.I. 16570 chromotrop 2 R for microscopy and complexometry disodium 4,5-dihydroxy-3-phenylazonaphthalene-2,7-disulphonate 4,5-DIHYDROXY-3-PHENYLAZO-2,7-NAPHTHALENEDISULFONIC ACID 4,5-DIHYDROXY-3-PHENYLAZO-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT 4,5-DIHYDROXY-3-PHENYLAZO-2,7-NAPHTHALENEDISULFONIC ACID SODIUM SALT 2-(PHENYLAZO)CHROMOTROPIC ACID DISODIUMSALT LABOTEST-BB LT00455781 Indoxacarb, mixture of isomers Pestanal AZOFUCHSIN 4G C.I. NO.16570 Chromotrope2R,94% Chromotrope 2R≥ 83% (Dye content: Spectrophotometry) 7-naphthalenedisulfonicacid,4,5-dihydroxy-3-(phenylazo)-disodiumsalt acilanchromotroperr brasilanfastfuchsineg c.i.acidred29 c.i.acidred29,disodiumsalt chromotropered2r fastfuchsineg CHROMOTRORE 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2) Chromotrope 2R, AR C.I.Acid Red 29:C.I.16570 C.I.Mordant Blue 80:C.I.16570 Mordant Blue 80 CHROMOTROPE 2R For Microscopical Staining Coloring 2R 4197-07-3 837-68-6 C16H10N2Na2O8S2 C16H10N2O8S22Na