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ChemicalBook >> CAS DataBase List >> CHROMOTROPE 2B

CHROMOTROPE 2B

CHROMOTROPE 2B price.
  • $28 - $576.58
  • Product name: CHROMOTROPE 2B
  • CAS: 548-80-1
  • MF: C16H12N3NaO10S2
  • MW: 493.39
  • EINECS:208-959-9
  • MDL Number:MFCD00003951
  • Synonyms: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
14 prices
Selected condition：
Brand
  • AHH
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • Biosynth Carbosynth
  • Chem-Impex
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 2.5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 250g
  • 500g
  • 1000g
  • 1KG
  • ManufacturerAHH
  • Product numberMT-19952
  • Product description2-(4-Nitrophenylazo)chromotropicaciddisodiumsalt 97%
  • Packaging1000g
  • Price$318
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL11330
  • Product descriptionChromotrope 2B
  • Packaging25g
  • Price$43.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberL11330
  • Product descriptionChromotrope 2B
  • Packaging100g
  • Price$133
  • Updated2024-03-01
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000089
  • Product descriptionCHROMOTROPE 2B 95.00%
  • Packaging25G
  • Price$135.45
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC52646
  • Product descriptionChromotrope 2B
  • Packaging500g
  • Price$550
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC52646
  • Product descriptionChromotrope 2B
  • Packaging250g
  • Price$320
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC52646
  • Product descriptionChromotrope 2B
  • Packaging100g
  • Price$180
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC52646
  • Product descriptionChromotrope 2B
  • Packaging50g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC52646
  • Product descriptionChromotrope 2B
  • Packaging25g
  • Price$65
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22802
  • Product descriptionChromotrope 2B
  • Packaging250G
  • Price$174.72
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22802
  • Product descriptionChromotrope 2B
  • Packaging1KG
  • Price$576.58
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number27130
  • Product descriptionChromotrope 2B for microscopy
  • Packaging10g
  • Price$32.2
  • Updated2024-03-01
  • Buy
  • ManufacturerTRC
  • Product numberC433120
  • Product descriptionChromotrope 2B
  • Packaging2.5g
  • Price$75
  • Updated2021-12-16
  • Buy
  • ManufacturerUsbiological
  • Product number236886
  • Product descriptionChromotrope 2B
  • Packaging25g
  • Price$177
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-19952 2-(4-Nitrophenylazo)chromotropicaciddisodiumsalt 97% 1000g $318 2021-12-16 Buy
Alfa Aesar L11330 Chromotrope 2B 25g $43.65 2024-03-01 Buy
Alfa Aesar L11330 Chromotrope 2B 100g $133 2024-03-01 Buy
American Custom Chemicals Corporation DYE0000089 CHROMOTROPE 2B 95.00% 25G $135.45 2021-12-16 Buy
Biosynth Carbosynth FC52646 Chromotrope 2B 500g $550 2021-12-16 Buy
Biosynth Carbosynth FC52646 Chromotrope 2B 250g $320 2021-12-16 Buy
Biosynth Carbosynth FC52646 Chromotrope 2B 100g $180 2021-12-16 Buy
Biosynth Carbosynth FC52646 Chromotrope 2B 50g $100 2021-12-16 Buy
Biosynth Carbosynth FC52646 Chromotrope 2B 25g $65 2021-12-16 Buy
Chem-Impex 22802 Chromotrope 2B 250G $174.72 2021-12-16 Buy
Chem-Impex 22802 Chromotrope 2B 1KG $576.58 2021-12-16 Buy
Sigma-Aldrich 27130 Chromotrope 2B for microscopy 10g $32.2 2024-03-01 Buy
TRC C433120 Chromotrope 2B 2.5g $75 2021-12-16 Buy
Usbiological 236886 Chromotrope 2B 25g $177 2021-12-16 Buy

Properties

Melting point :300 °C
form :Crystalline Powder
Colour Index :16575
color :Dark green to dark purple
Merck :14,2240
BRN :4109733
CAS DataBase Reference :548-80-1(CAS DataBase Reference)
EPA Substance Registry System :2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Description

Chromotrope 2B along with Chromotrope 2R, was used to give a highly colored radical anion, during the spectrophotometric determination of cephalosporins (cephadroxil (I), cephalexin (II) and cephradine (III)) in pharmaceutical products.It may be immobilized on AG 1-X8 ion exchange resin, used in flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry (ICP-MS), done for the on-line preconcentration and determination of aluminium.

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