CHROMOTROPE 2R
- CAS No.
- 4197-07-3
- Chemical Name:
- CHROMOTROPE 2R
- Synonyms
- CI 16570;CHROMOTRORE;ACID RED 29;CI NO 16570;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
- TDS File:
- TDS
| storage temp. | Store at RT. |
|---|---|
| solubility | H2O: 1 mg/mL, dark red |
| form | Crystalline Powder |
| Colour Index | 16570 |
| color | Reddish-brown |
| Water Solubility | Soluble in water (1 mg/ml). |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Major Application |
diagnostic assay manufacturing hematology histology |
| InChIKey | GXEAXHYQKZAJGB-QIKYXUGXSA-L |
| SMILES | [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccccc3)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O |
| EWG's Food Scores | 1 |
| FDA UNII | LLE7AS9RKD |
| UNSPSC Code | 12171500 |
| NACRES | NA.47 |
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 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | QJ6418000 | |||||||||
| HS Code | 32041200 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
CHROMOTROPE 2R price More Price(42)
| 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 | $75.1 | 2026-04-30 | Buy |
| Sigma-Aldrich | C3143 | Chromotrope 2R suitable for modified Gomori Trichrome stain | 4197-07-3 | 100G | $228 | 2026-04-30 | Buy |
| TCI Chemical | C0547 | Chromotrope 2R | 4197-07-3 | 25g | $35 | 2026-04-30 | Buy |
| Usbiological | 236887 | Chromotrope 2R, 77+% (Dye content) (CI 16570) | 4197-07-3 | 25g | $219 | 2026-06-03 | Buy |
| Usbiological | 236887 | Chromotrope 2R, 77+% (Dye content) (CI 16570) | 4197-07-3 | 100g | $418 | 2026-06-03 | Buy |
CHROMOTROPE 2R Chemical Properties, Uses, Production
Chemical Properties
dark brown powder
Uses
Suitable for modified Gomori Trichrome stain
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.
Preparation
aniline diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling.
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.
Biological Activity
Chromotrope 2R is used for the staining of microsporidia in body fluids and stool samples. It is used in modified Gomori′s trichrome staining. Chromotrope 2R has high affinity for phospholipids and is used for the staining of mitochondrial and endoplasmic reticulum membrane in histological samples.
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
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Tianjin heowns Biochemical Technology Co., Ltd. | 400 638 7771 | sales@heowns.com | China | 14412 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Spectrum Chemical Manufacturing Corp. | 021-021-021-67601398-809-809-809 15221380277 | marketing_china@spectrumchemical.com | China | 9643 | 60 |
| Chengdu Ai Keda Chemical Technology Co., Ltd. | 4008-755-333 18080918076 | 800078821@qq.com | China | 9706 | 55 |
| Shanghai civi chemical technology co.,Ltd | 86-21-34053660 | sale@labgogo.com | China | 9853 | 52 |
View Latest Price from CHROMOTROPE 2R manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-08-07 | Chromotrope2R
4197-07-3
|
$1.00-50.00 | 1KG | 99% | 200000KG | Shaanxi Dideu Medichem Co. Ltd | |
 |
2019-07-12 | CHROMOTROPE 2R
4197-07-3
|
$1.00 | 1KG | 99% | 25kg | Career Henan Chemical Co |
-
- Chromotrope2R
4197-07-3
- $1.00-50.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-
- CHROMOTROPE 2R
4197-07-3
- $1.00
- 99%
- Career Henan Chemical Co
