ChemicalBook >> CAS DataBase List >>CHROMOTROPE 2B
CHROMOTROPE 2B
- CAS No.
- 548-80-1
- Chemical Name:
- CHROMOTROPE 2B
- Synonyms
- CI 16575;CI NO 16575;CHROMOTROPE;Coloring 2B;ACID RED 176;B,ChroMotrope;CHROMOTROPE 2B;CHROMOTROP 2 B;Chromogenic 2B;C.I.Acid Red 176
- CBNumber:
- CB7738401
- Molecular Formula:
- C16H12N3NaO10S2
- Molecular Weight:
- 493.39
- MDL Number:
- MFCD00003951
- MOL File:
- 548-80-1.mol
- MSDS File:
- SDS
Last updated:2026-04-16 19:33:17
| Product description | Number | Pack Size | Price |
| Chromotrope 2B for microscopy | 27130 | 10g | $34.8 |
| Chromotrope 2B | C433120 | 2.5g | $75 |
| Chromotrope 2B | 236886 | 25g | $177 |
| Chromotrope 2B | FC52646 | 100g | $180 |
| CHROMOTROPE 2B 95.00% | DYE0000089 | 25G | $135.45 |
| More product size | |||
| Melting point | 300 °C |
|---|---|
| storage temp. | room temp |
| solubility | water: 10 mg/mL |
| Colour Index | 16575 |
| form | Crystalline Powder |
| color | Dark green to dark purple |
| Water Solubility | water: 10mg/mL |
| ε(extinction coefficient) | ≥500 at 509-519nm in water |
| Merck | 14,2240 |
| BRN | 4109733 |
| Major Application |
diagnostic assay manufacturing hematology histology |
| InChIKey | AXUUHWJXDWBCSG-QIKYXUGXSA-L |
| SMILES | [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)[N+]([O-])=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O |
| 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) |
| UNSPSC Code | 12171500 |
| NACRES | MA.02 |
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 | |||||||||
| TSCA | TSCA listed | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
CHROMOTROPE 2B price More Price(18)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 27130 | Chromotrope 2B for microscopy | 548-80-1 | 10g | $34.8 | 2026-03-19 | Buy |
| TRC | C433120 | Chromotrope 2B | 548-80-1 | 2.5g | $75 | 2021-12-16 | Buy |
| Usbiological | 236886 | Chromotrope 2B | 548-80-1 | 25g | $177 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FC52646 | Chromotrope 2B | 548-80-1 | 100g | $180 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | DYE0000089 | CHROMOTROPE 2B 95.00% | 548-80-1 | 25G | $135.45 | 2021-12-16 | 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.
Uses
Chromotrope 2B is a chromotropic acid azo dye and a groundwater pollutant removed from the environment via photoelectrochemical mineralization.
Preparation
4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling.
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
Global( 155)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29822 | 58 |
| Shenyang Simchoice Chemical Co.,Ltd | +86-024-23769576 +86-15040101888 | sales@simchoicechem.com | China | 254 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49977 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 +86-17392581500 | 1015@dideu.com | China | 3992 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +17819995354 | marketing@targetmol.com | United States | 32467 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52705 | 58 |
| Henan Alfa Chemical Co., Ltd | +8615838112936 | sale03@alfachem.cn | China | 9659 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; | support@targetmol.com | United States | 39040 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49968 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 |
View Lastest Price from CHROMOTROPE 2B manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-16 | Chromotrope 2B
548-80-1
|
US $29.00-68.00 / mg | 99.68% | 10g | TargetMol Chemicals Inc. | ||
 |
2019-07-11 | CHROMOTROPE 2B
548-80-1
|
US $1.00 / KG | 1KG | 98% | 1kg，5kg，100kg | Career Henan Chemical Co |
-
- Chromotrope 2B
548-80-1
- US $29.00-68.00 / mg
- 99.68%
- TargetMol Chemicals Inc.
-
- CHROMOTROPE 2B
548-80-1
- US $1.00 / KG
- 98%
- Career Henan Chemical Co
548-80-1(CHROMOTROPE 2B)Related Search:
CHROMOTROPE 2B
6-Amino-4-hydroxy-2-naphthalenesulfonic acid
6-Amino-2-naphthalenesulfonic acid
1,8-Dihydroxynaphthylene-3,6-disulfonic acid
CHROMOTROPE 2R,Chromotrope2R,94%,Chromotrope 2R, pure,Chromotrope N-2R
3-Hydroxythiophenol
2,7-Naphthalenedisulfonic acid disodium salt
1-Naphthol
3-AMINO-5-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT
2-Naphthylamine
1of4
2,7-Naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo-]-,disodiumsalt
7-naphthalenedisulfonicacid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-disodium
AcidRed176(16575)
Chromotropicacid2B
C.I.Acid Red 176
C.I.Mordant Black 93
Chromotrope Red 4B
Sodium 2-(p-nitrophenylazo)chromotropate
4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic Acid Disodium Salt
Acid Red 176
B,ChroMotrope
disodium 5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
ACID RED 176
4-(P-NITROPHENYLAZO)CHROMOTROPIC ACID SODIUM SALT
4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC
4,5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT
DISODIUM 4 5-DIHYDROXY-3-(P-NITROPHENYLAZO)-2 7-NAPHTHALENEDISULFONATE
CI NO 16575
CHROMOTROPE 2B
CHROMOTROPE
CHROMOTROP 2 B
CI 16575
P-NITROBENZENEAZOCHROMOTROPIC ACID SODIUM SALT
2-(4-NITROPHENYLAZO)CHROMOTROPIC ACID DISODIUM SALT
Acid Red 176~C.I. 16575
disodium 4,5-dihydroxy-3-(p-nitrophenylazo)naphthalene-2,7-disulphonate
CHROMOTROPE 2B (C.I. No 16575 )
Chromotrope2B,97%
Chromotrope 2B, pure
2-(4-Nitrophenylazo)chromotropic acid disodium salt, Acid Red 176
C.I.Acid Red 176:C.I.16575
C.I.Mordant Black 93:C.I.16575
Mordant Black 93
Coloring 2B
Chromogenic 2B
Chromotrope 2B, 10 mM in DMSO
548-80-1
540-80-1
C16H9N3NaO10S2
C16H9N3Na2O10S2
C16H9N3O10S22Na
Analytical Chromatography Product Catalog
Analytical Reagents
Stains and Dyes
Microscopy Reagents
