Introduction：Basic information about CAS 548-80-1|chromotrope 2b, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | chromotrope 2b |
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| CAS Number | 548-80-1 | Molecular Weight | 513.36600 |
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| Density | / | Boiling Point | / |
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| Molecular Formula | C16H9N3Na2O10S2 | Melting Point | 300 °C |
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| MSDS | ChineseUSA | Flash Point | / |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Melting Point | 300 °C |
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| Molecular Formula | C16H9N3Na2O10S2 |
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| Molecular Weight | 513.36600 |
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| Exact Mass | 512.95200 |
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| PSA | 242.16000 |
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| LogP | 5.06760 |
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| InChIKey | AXUUHWJXDWBCSG-UHFFFAOYSA-L |
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| SMILES | O=[N+]([O-])c1ccc(N=Nc2c(S(=O)(=O)[O-])cc3cc(S(=O)(=O)[O-])cc(O)c3c2O)cc1.[Na+].[Na+] |
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H315-H319-H335 |
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| Precautionary Statements | P261-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S36 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 2927000090 |
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Customs
| HS Code | 2927000090 |
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| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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Articles2
More Articles
| Spectrophotometric assay of cephalosporins in pharmaceutical products, using chromotrope 2B and chromotrope 2R. Issa YM and Amin AS Microchim. Acta 124 (3-4) , 203-209, (1996)
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| On-line preconcentration of aluminium with immobilized Chromotrope 2B for the determination by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry. Martin-esteban A, et.al. Anal. Chim. Acta 304 (1) , 121-126, (1995)
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Synonyms
| Chromatrope 2B |
| EINECS 208-959-9 |
| Chromotrope Red 4B |
| p-Nitrobenzeneazochromotropic acid sodium salt |
| Chromotrope 2B disodium salt |
| chromotrope 2B |
| MFCD00003951 |
| Naphtocard Fast Red 3B |
| Khromotrop 2B |
| Acid Red 176 |
